https://thatsmaths.com/2026/03/19/in-reckoning-easter-the-disciples-of-patrick-were-ahead-of-rome/https://thatsmaths.com/wp-content/uploads/2026/03/stpatrick-mullingarmosaic.pngStPatrick-MullingarMosaic2026-03-19T15:10:15+00:00monthlyhttps://thatsmaths.com/2026/02/19/from-perches-to-petaflops-the-evolution-of-rational-measurement/https://thatsmaths.com/wp-content/uploads/2026/02/metricsystemuse-big.jpgScreenshotScreenshot2026-02-19T09:13:48+00:00monthlyhttps://thatsmaths.com/2026/01/15/the-shape-and-size-of-the-universe-curvature-is-key/https://thatsmaths.com/wp-content/uploads/2026/01/3-curvatures.jpgScreenshotScreenshot2026-01-15T09:08:19+00:00monthlyhttps://thatsmaths.com/2025/12/18/who-invented-the-digital-computer-theres-no-simple-answer/https://thatsmaths.com/wp-content/uploads/2025/12/vonneumann-architecture.jpgScreenshotScreenshothttps://thatsmaths.com/wp-content/uploads/2025/12/z3-csm-technikmuseum.jpgZ3-csm-technikmuseum2025-12-18T12:22:57+00:00monthlyhttps://thatsmaths.com/2025/11/20/the-hindu-arabic-numerals-a-blessing-for-modern-civilisation/https://thatsmaths.com/wp-content/uploads/2025/11/zero-at-gwalior.jpgScreenshotScreenshothttps://thatsmaths.com/wp-content/uploads/2025/11/fibonacci-faceplusstamp.jpgScreenshotScreenshothttps://thatsmaths.com/wp-content/uploads/2025/11/fibonacci-statue.jpgFibonacci-Statuehttps://thatsmaths.com/wp-content/uploads/2025/11/fibonacci-place.jpgScreenshotScreenshot2025-11-20T10:22:33+00:00monthlyhttps://thatsmaths.com/contents/2025-11-06T23:18:38+00:00weekly0.6https://thatsmaths.com/2025/10/16/music-and-maths-are-inextricably-intertwined/https://thatsmaths.com/wp-content/uploads/2025/10/tonnetz-colour.jpgScreenshotScreenshot2025-10-16T08:14:43+00:00monthlyhttps://thatsmaths.com/2025/09/18/john-von-neumann-computer-wizard-and-ai-visionary/https://thatsmaths.com/wp-content/uploads/2025/09/vonneumann-john.jpgVonNeumann-John2025-09-18T08:39:26+00:00monthlyhttps://thatsmaths.com/2025/08/21/finding-a-horseshoe-on-the-beaches-of-rio/https://thatsmaths.com/wp-content/uploads/2025/08/smale-horseshoe.jpgScreenshotScreenshothttps://thatsmaths.com/wp-content/uploads/2025/08/steve-smale-bw.jpgScreenshotScreenshothttps://thatsmaths.com/wp-content/uploads/2025/08/copacabana-beach.jpgCopacabana-Beach2025-08-21T06:12:17+00:00monthlyhttps://thatsmaths.com/2025/07/17/going-for-gold-henri-poincare-and-solar-system-stability/https://thatsmaths.com/wp-content/uploads/2025/07/homoclinictangle-standardmap-nolte.jpgHomoclinicTangle-StandardMap-Noltehttps://thatsmaths.com/wp-content/uploads/2025/07/poincare-ms-1889.jpgScreenshotScreenshothttps://thatsmaths.com/wp-content/uploads/2025/07/poincare-aged33.jpgPoincare-Aged33https://thatsmaths.com/wp-content/uploads/2025/07/nasa-solarsystem.jpgScreenshotScreenshot2025-07-17T09:30:55+00:00monthlyhttps://thatsmaths.com/2025/06/19/the-future-of-physics-may-be-surreal/https://thatsmaths.com/wp-content/uploads/2025/06/blackhole-singularity-two.jpgScreenshotScreenshothttps://thatsmaths.com/wp-content/uploads/2025/06/blackhole-singularity-esa.jpgBlackhole-Singularity-ESA2025-06-19T08:04:39+00:00monthlyhttps://thatsmaths.com/2025/05/15/the-james-webb-telescope-viewing-the-universe-from-lagrange-point-l2/https://thatsmaths.com/wp-content/uploads/2025/05/nasa-jwst-carina-nebula.jpgScreenshotScreenshothttps://thatsmaths.com/wp-content/uploads/2025/05/nasa-l1-l5.jpgScreenshotScreenshot2025-05-15T07:54:43+00:00monthlyhttps://thatsmaths.com/2025/04/17/eulers-identity-the-most-beautiful-equation-in-mathematics/2025-04-18T11:28:36+00:00monthlyhttps://thatsmaths.com/2025/03/20/the-emergence-of-spring/2025-03-20T09:26:04+00:00monthlyhttps://thatsmaths.com/2025/02/20/quantum-physics-a-century-old-still-passes-understanding/https://thatsmaths.com/wp-content/uploads/2025/02/hamiltons-bridge-plaque.jpgHamiltons-Bridge-Plaquehttps://thatsmaths.com/wp-content/uploads/2025/02/werner-heisenberg.jpgWerner HeisenbergZentralbild Prof. Dr. phil Werner Kar. Heisenberg, Physiker, geboren 5.12.1901 in Würzburg, Professor für theoretische Physik, Direktor des Max-Planck-Instituts für Physik in Göttingen, Nobelpreis für Physik 1932 (Aufnahme 1933) 39049-33https://thatsmaths.com/wp-content/uploads/2025/02/helgoland-vogelperspektive-cropped.jpgHelgoland-Vogelperspektive-Cropped2025-02-20T09:27:37+00:00monthlyhttps://thatsmaths.com/2025/01/16/surprising-discoveries-in-the-family-tree-of-mathematics/https://thatsmaths.com/wp-content/uploads/2025/01/mgp-home-page.jpgScreenshotScreenshothttps://thatsmaths.com/wp-content/uploads/2025/01/omar-khayyam-2.jpgScreenshotScreenshot2025-01-16T08:34:26+00:00monthlyhttps://thatsmaths.com/2024/12/19/the-surprising-utility-of-square-wheels/https://thatsmaths.com/wp-content/uploads/2024/12/codydockrollingbridge-track.jpgScreenshotScreenshothttps://thatsmaths.com/wp-content/uploads/2024/12/square-wheeled-trike.jpgSquare-Wheeled-Trikehttps://thatsmaths.com/wp-content/uploads/2024/12/londoneye-twilight.jpgLondonEye-Twilight2024-12-19T16:44:29+00:00monthlyhttps://thatsmaths.com/2024/11/28/fermi-resonance-and-climate-change/https://thatsmaths.com/wp-content/uploads/2024/11/pl-fig3-co2-warming-curves.jpgScreenshotScreenshothttps://thatsmaths.com/wp-content/uploads/2024/11/pl-fig2-co2-swinging-spring.jpgScreenshotScreenshothttps://thatsmaths.com/wp-content/uploads/2024/11/pl-fig1-co2-3panels.jpgScreenshotScreenshothttps://thatsmaths.com/wp-content/uploads/2024/11/co2x-black-red.jpgScreenshotScreenshot2024-11-28T09:09:10+00:00monthlyhttps://thatsmaths.com/2024/11/21/the-never-ending-quest-for-enormous-prime-numbers/https://thatsmaths.com/wp-content/uploads/2024/11/largest-primes-2024.jpgScreenshotScreenshot2024-11-21T14:13:05+00:00monthlyhttps://thatsmaths.com/2024/10/17/joining-forces-to-improve-weather-forecasts/https://thatsmaths.com/wp-content/uploads/2024/10/ecmwf-skillscores-october-2024-1.jpgScreenshotScreenshothttps://thatsmaths.com/wp-content/uploads/2024/10/uwc-fcst-areas.jpgScreenshotScreenshothttps://thatsmaths.com/wp-content/uploads/2024/10/uwc-computer-and-system.jpgScreenshotScreenshothttps://thatsmaths.com/wp-content/uploads/2024/10/ecmwf-skillscores-october-2024-enhanced.jpgScreenshotScreenshothttps://thatsmaths.com/wp-content/uploads/2024/10/ecmwf-skillscores-october-2024.jpgECMWF-SkillScores-October-20242024-10-18T12:35:11+00:00monthlyhttps://thatsmaths.com/2024/09/19/hamiltons-dynamics-a-prescient-framework-for-quantum-mechanics/https://thatsmaths.com/wp-content/uploads/2024/09/mathsweek2024.jpgScreenshotScreenshothttps://thatsmaths.com/wp-content/uploads/2024/09/hamlec2024.jpgScreenshotScreenshothttps://thatsmaths.com/wp-content/uploads/2024/09/hamiltons-canonical-equations.jpgScreenshotScreenshothttps://thatsmaths.com/wp-content/uploads/2024/09/mandelbrot-set-07.jpgMandelbrot-Set-072024-09-19T08:15:02+00:00monthlyhttps://thatsmaths.com/2023/08/10/proofs-without-words/https://thatsmaths.com/wp-content/uploads/2023/08/sumofoddanevennumbers-1.jpgScreenshotScreenshothttps://thatsmaths.com/wp-content/uploads/2023/08/pythagoras-proof-03.jpgPythagoras-Proof-03https://thatsmaths.com/wp-content/uploads/2023/08/pythagoras-proof-02.jpgPythagoras-Proof-02https://thatsmaths.com/wp-content/uploads/2023/08/qp-plane-lin.jpgQP-Plane-Linhttps://thatsmaths.com/wp-content/uploads/2023/08/pythagoras-proof-01.jpgPythagoras-Proof-01https://thatsmaths.com/wp-content/uploads/2023/08/pythagoras-proof-00.jpgPythagoras-Proof-00https://thatsmaths.com/wp-content/uploads/2023/08/circle-area-triagles.jpgCircle-Area-Triagleshttps://thatsmaths.com/wp-content/uploads/2023/08/sumofoddanevennumbers.jpgSumOfOddAnEvenNumbershttps://thatsmaths.com/wp-content/uploads/2023/08/pythagoras-proof-123.jpgPythagoras-Proof-1232024-08-17T16:35:34+00:00monthlyhttps://thatsmaths.com/2024/08/15/progress-towards-a-grand-unified-theory-of-mathematics/https://thatsmaths.com/wp-content/uploads/2024/08/newton-einstein-colour.jpgScreenshotScreenshothttps://thatsmaths.com/wp-content/uploads/2024/08/dennis-gaitsgory.jpgScreenshotScreenshot2024-08-15T10:35:55+00:00monthlyhttps://thatsmaths.com/2024/07/18/the-doppler-effect-simple-but-remarkably-useful/https://thatsmaths.com/wp-content/uploads/2024/07/red-shift-spectrum.jpgScreenshotScreenshothttps://thatsmaths.com/wp-content/uploads/2024/07/red-shift-waves.jpgScreenshotScreenshothttps://thatsmaths.com/wp-content/uploads/2024/07/christian-doppler.jpgScreenshotScreenshot2024-07-18T08:09:37+00:00monthlyhttps://thatsmaths.com/2018/08/09/eulers-degree-of-agreeableness-for-musical-chords/https://thatsmaths.com/wp-content/uploads/2018/08/eulers-gv-table.jpgEulers-GV-Tablehttps://thatsmaths.com/wp-content/uploads/2018/08/euler-gv-scale.jpgEuler-GV-Scalehttps://thatsmaths.com/wp-content/uploads/2018/08/euler-tentamen.jpgEuler-Tentamenhttps://thatsmaths.com/wp-content/uploads/2018/08/euler-10_swiss_franc_banknote.jpgEuler-10_Swiss_Franc_banknote2024-06-29T21:56:59+00:00monthlyhttps://thatsmaths.com/2024/06/20/to-see-a-world-in-a-grain-of-sand/https://thatsmaths.com/wp-content/uploads/2024/06/euclid-space-telescope.jpgScreenshotScreenshothttps://thatsmaths.com/wp-content/uploads/2024/06/flammarion-universe.jpgFlammarion-Universe2024-06-20T08:00:36+00:00monthlyhttps://thatsmaths.com/2024/05/16/mathematical-fun-and-games-at-maison-poincare/https://thatsmaths.com/wp-content/uploads/2024/05/poincare-disk-model.jpgScreenshotScreenshothttps://thatsmaths.com/wp-content/uploads/2024/05/poincare-scienceandhypothesis-title-cover.jpgScreenshotScreenshothttps://thatsmaths.com/wp-content/uploads/2024/05/poincare-aged33.jpgPoincare-Aged33https://thatsmaths.com/wp-content/uploads/2024/05/ihp-rulpidon-mono.jpgsmartsmarthttps://thatsmaths.com/wp-content/uploads/2024/05/ihp-entrance.jpgsmartsmart2024-05-16T07:33:32+00:00monthlyhttps://thatsmaths.com/2024/04/18/resonant-vibrations-from-atoms-to-the-far-horizons-of-the-cosmos/https://thatsmaths.com/wp-content/uploads/2024/04/spire-tunedmassdampers.jpgSpire-TunedMassDampershttps://thatsmaths.com/wp-content/uploads/2024/04/taipei-101.jpgTaipei-101https://thatsmaths.com/wp-content/uploads/2024/04/taipei-101-damper.jpgTaipei-101-Damper2024-04-27T16:05:52+00:00monthlyhttps://thatsmaths.com/2024/04/04/pythagorean-tuning-and-the-spiral-of-theodorus/https://thatsmaths.com/wp-content/uploads/2024/04/equal-temperament-f02a.jpgEqual-Temperament-F02Ahttps://thatsmaths.com/wp-content/uploads/2024/04/spiral-of-theodorus-00.pngSpiral-of-Theodorus-00https://thatsmaths.com/wp-content/uploads/2024/04/pythagorean-tuning-f03a.jpgPythagorean-Tuning-F03Ahttps://thatsmaths.com/wp-content/uploads/2024/04/pythagorean-tuning-f02a.jpgPythagorean-Tuning-F02Ahttps://thatsmaths.com/wp-content/uploads/2024/04/pythagotune.jpgScreenshotScreenshothttps://thatsmaths.com/wp-content/uploads/2024/04/pythagocom.jpgScreenshotScreenshothttps://thatsmaths.com/wp-content/uploads/2024/04/circle-of-fifths.jpgCircle-of-Fifthshttps://thatsmaths.com/wp-content/uploads/2024/04/chromatic-scale.jpgChromatic-Scale2024-04-04T08:04:38+00:00monthlyhttps://thatsmaths.com/2024/03/21/the-many-schools-of-mathematical-thought/https://thatsmaths.com/wp-content/uploads/2024/03/school-of-athens-plato.jpgScreenshotScreenshothttps://thatsmaths.com/wp-content/uploads/2024/03/poincare-brouwer.jpgScreenshotScreenshothttps://thatsmaths.com/wp-content/uploads/2024/03/russell-hilbert.jpgScreenshotScreenshot2024-03-21T09:56:02+00:00monthlyhttps://thatsmaths.com/2024/02/29/breaking-a-stick-to-form-a-triangle/https://thatsmaths.com/wp-content/uploads/2024/02/bertrand-010203.jpgScreenshotScreenshothttps://thatsmaths.com/wp-content/uploads/2024/02/brokenstick-1.jpgBrokenStick-1https://thatsmaths.com/wp-content/uploads/2024/02/ruler-broken.jpgRuler-Broken2024-02-29T10:13:14+00:00monthlyhttps://thatsmaths.com/2024/02/16/mileva-maric-and-the-special-theory-of-relativity/https://thatsmaths.com/wp-content/uploads/2024/02/milevamaric-and-alberteinstein.jpgEhepaar Einstein in PragEhepaar Einstein in Prag2024-02-16T20:44:40+00:00monthlyhttps://thatsmaths.com/2024/01/18/enso-the-oscillating-atmosphere-and-ocean/https://thatsmaths.com/wp-content/uploads/2024/01/elnino-janjun2024.jpgElNino-JanJun2024https://thatsmaths.com/wp-content/uploads/2024/01/average-temperature-ireland-1900-2023.jpgAverage-Temperature-Ireland-1900-20232024-01-18T08:24:59+00:00monthlyhttps://thatsmaths.com/2024/01/01/post600-new-years-greetings-2024/https://thatsmaths.com/wp-content/uploads/2023/12/tm-coverage.jpgScreenshotScreenshothttps://thatsmaths.com/wp-content/uploads/2023/12/tm-views.jpgScreenshotScreenshothttps://thatsmaths.com/wp-content/uploads/2023/12/happynewyear-2024.jpgHappyNewYear-20242024-01-01T10:31:02+00:00monthlyhttps://thatsmaths.com/2023/12/07/the-logistic-map-is-hiding-in-the-mandelbrot-set/https://thatsmaths.com/wp-content/uploads/2023/12/beautyoffractalsbook.jpgBeautyOfFractalsBookhttps://thatsmaths.com/wp-content/uploads/2023/12/logistic-mandelbrot-bifurcation.pngLogistic-Mandelbrot-Bifurcationhttps://thatsmaths.com/wp-content/uploads/2023/12/logistic-mandelbrot-xr-to-zc.jpgLogistic-Mandelbrot-xr-to-zc2023-12-29T21:29:56+00:00monthlyhttps://thatsmaths.com/2023/12/28/rubiks-cube-solved-in-20-moves/https://thatsmaths.com/wp-content/uploads/2023/12/rubikcube-gan11-m-pro.jpgRubikCube-GAN11-M-Prohttps://thatsmaths.com/wp-content/uploads/2023/12/rubiks-cube.jpgRubiks-Cubehttps://thatsmaths.com/wp-content/uploads/2023/12/rubikcube-colourpattern.jpgRubikCube-ColourPattern2023-12-28T09:30:02+00:00monthlyhttps://thatsmaths.com/2023/12/21/the-decline-of-the-mayans-a-warning-signal-for-us/https://thatsmaths.com/wp-content/uploads/2023/12/maya-report.jpgMaya-Reporthttps://thatsmaths.com/wp-content/uploads/2023/12/mayan-numerals.jpgMayan-Numeralshttps://thatsmaths.com/wp-content/uploads/2023/12/maya-elcastillo-chichenitza.jpgMaya-ElCastillo-ChichenItza2023-12-21T09:42:58+00:00monthlyhttps://thatsmaths.com/2023/11/02/yin-and-yang-and-east-and-west/https://thatsmaths.com/wp-content/uploads/2023/11/yin-yang-99.jpgYin-Yang-99https://thatsmaths.com/wp-content/uploads/2023/11/yin-yang-03.jpgYin-Yang-03https://thatsmaths.com/wp-content/uploads/2023/11/yin-yang-02.jpgYin-Yang-02https://thatsmaths.com/wp-content/uploads/2023/11/yin-yang-01.jpgYin-Yang-01https://thatsmaths.com/wp-content/uploads/2023/11/yin-yang-01-01x-red.jpgYin-Yang-01-01X-RED2023-12-20T11:21:23+00:00monthlyhttps://thatsmaths.com/2023/12/14/the-sieve-of-eratosthenes-and-a-partition-of-the-natural-numbers/https://thatsmaths.com/wp-content/uploads/2023/12/primesieve-table2.jpgScreenshotScreenshothttps://thatsmaths.com/wp-content/uploads/2023/12/primesieve-table1.jpgScreenshotScreenshot2023-12-14T10:13:34+00:00monthlyhttps://thatsmaths.com/2023/11/30/the-golden-key-to-riemanns-hypothesis/https://thatsmaths.com/wp-content/uploads/2023/11/euler-variae-obs-1737.jpgEuler-Variae-Obs-1737https://thatsmaths.com/wp-content/uploads/2023/11/eulersproductred.jpgEulersProductRed2023-11-30T08:55:52+00:00monthlyhttps://thatsmaths.com/2023/11/23/sharkovskys-theorem/https://thatsmaths.com/wp-content/uploads/2023/11/logisticmapbifurcationdiagram-wikimediacommons.jpgLogisticMapBifurcationDiagram-WikimediaCommons2023-11-23T08:52:38+00:00monthlyhttps://thatsmaths.com/2023/11/16/oleksandr-sharkovsky-and-chaos-theory/https://thatsmaths.com/wp-content/uploads/2023/11/lorenz-essenceofchaos.jpgLorenz-EssenceOfChaoshttps://thatsmaths.com/wp-content/uploads/2023/11/oleksandr-sharkovsky.jpgOleksandr-Sharkovsky2023-11-16T08:21:56+00:00monthlyhttps://thatsmaths.com/2023/11/09/the-logistic-map-a-simple-model-with-rich-dynamics/https://thatsmaths.com/wp-content/uploads/2023/11/logistic-bifurcation-diagram.jpgLogistic-Bifurcation-Diagramhttps://thatsmaths.com/wp-content/uploads/2023/11/pierre-francois-verhulst.jpgPierre-Francois-Verhulsthttps://thatsmaths.com/wp-content/uploads/2023/11/world-population-02.jpgWorld-Population-022023-11-09T08:08:50+00:00monthlyhttps://thatsmaths.com/2023/10/26/the-axiom-of-choice-shoes-socks-and-non-constructive-proofs/https://thatsmaths.com/wp-content/uploads/2023/10/axiom-of-choice-urns.jpgAxiom-of-Choice-Urns2023-10-26T07:32:45+00:00monthlyhttps://thatsmaths.com/2023/10/19/earths-digital-twins-can-help-us-to-avert-disaster/https://thatsmaths.com/wp-content/uploads/2023/10/ccd.jpgCCDhttps://thatsmaths.com/wp-content/uploads/2023/10/digitaltwins-1.jpgDigitalTwins-12023-10-19T07:38:34+00:00monthlyhttps://thatsmaths.com/2023/10/12/elusive-transcendentals/https://thatsmaths.com/wp-content/uploads/2023/10/gelfond-schneider.jpgGelfond-Schneiderhttps://thatsmaths.com/wp-content/uploads/2023/10/number-sets-nzqar.jpgNumber-Sets-NZQAR2023-10-12T07:11:27+00:00monthlyhttps://thatsmaths.com/2023/10/05/digital-signatures-using-edwards-curves/https://thatsmaths.com/wp-content/uploads/2023/10/edwards-curves.jpgEdwards-Curveshttps://thatsmaths.com/wp-content/uploads/2023/10/edwards-curves-equation.jpgEdwards-Curves-Equationhttps://thatsmaths.com/wp-content/uploads/2023/10/digital-signature-nams.jpgDigital-Signature-NAMShttps://thatsmaths.com/wp-content/uploads/2023/10/digital-signature-wiki.jpgDigital-Signature-Wiki2023-10-05T09:42:07+00:00monthlyhttps://thatsmaths.com/2023/09/28/a-remarkable-sequence-in-oeis/https://thatsmaths.com/wp-content/uploads/2023/09/recaman-sequence-spirals.jpgRecaman-Sequence-Spiralshttps://thatsmaths.com/wp-content/uploads/2023/09/recaman-sequence-graph.jpgRecaman-Sequence-Graphhttps://thatsmaths.com/wp-content/uploads/2023/09/recamans-sequence-col.jpgScreenshotScreenshot2023-09-28T07:52:13+00:00monthlyhttps://thatsmaths.com/2023/09/21/maths-in-action-at-the-rugby-world-cup/https://thatsmaths.com/wp-content/uploads/2023/09/rwc-results.jpgRWC-Resultshttps://thatsmaths.com/wp-content/uploads/2023/09/rwc-logo2.jpgRWC-Logo2https://thatsmaths.com/wp-content/uploads/2023/09/pool-b-rwc.jpgsmartsmarthttps://thatsmaths.com/wp-content/uploads/2023/09/rwc-logo.jpgRWC-Logo2023-09-21T07:23:35+00:00monthlyhttps://thatsmaths.com/2023/09/14/a-memorable-memo-responding-to-over-assiduous-administrators/https://thatsmaths.com/wp-content/uploads/2023/09/ulams-memo-00.jpgUlams-Memo-00https://thatsmaths.com/wp-content/uploads/2023/09/ulam-and-mark.jpgUlam-and-Markhttps://thatsmaths.com/wp-content/uploads/2023/09/ulams-memo-01.jpgScreenshotScreenshothttps://thatsmaths.com/wp-content/uploads/2023/09/ulam-book-cover.jpgUlam-Book-Cover2023-09-14T07:54:15+00:00monthlyhttps://thatsmaths.com/2023/09/07/hamiltons-semaphore-code-and-signalling-system/https://thatsmaths.com/wp-content/uploads/2023/09/hamilton-semaphore-graves88.jpgHamilton-Semaphore-Graves88https://thatsmaths.com/wp-content/uploads/2023/09/ucd-logo.jpgUCD-logohttps://thatsmaths.com/wp-content/uploads/2023/09/hamilton-semaphore-letters.jpgScreenshotScreenshothttps://thatsmaths.com/wp-content/uploads/2023/09/hamilton-semaphore-flags.jpgsmartsmarthttps://thatsmaths.com/wp-content/uploads/2023/09/hamilton-semaphore-banner.jpgHamilton-Semaphore-Banner2023-09-07T14:03:24+00:00monthlyhttps://thatsmaths.com/2023/08/31/sixth-irish-history-of-mathematics-ihom-conference/https://thatsmaths.com/wp-content/uploads/2023/08/apollonius-conics-marshslibrary.jpgsmartsmarthttps://thatsmaths.com/wp-content/uploads/2023/08/euclid-odonovan.jpgEuclid-ODonovanhttps://thatsmaths.com/wp-content/uploads/2023/08/mu-logo.jpgMU-Logo2023-08-31T08:05:35+00:00monthlyhttps://thatsmaths.com/2023/08/24/retroreflectors-right-angles-save-lives/https://thatsmaths.com/wp-content/uploads/2023/08/non-reversing-mirror-1.jpgScreenshotScreenshothttps://thatsmaths.com/wp-content/uploads/2023/08/apollo15-retroreflector.jpgApollo15-RetroReflectorhttps://thatsmaths.com/wp-content/uploads/2023/08/corner-cube-reflector.jpgScreenshotScreenshothttps://thatsmaths.com/wp-content/uploads/2023/08/retroreflector-types.jpgRetroreflector-Typeshttps://thatsmaths.com/wp-content/uploads/2023/08/non-reversing-mirror.jpgNon-Reversing-Mirrorhttps://thatsmaths.com/wp-content/uploads/2023/08/retroreflector-strip.jpgRetroreflector-Strip2023-08-24T20:00:39+00:00monthlyhttps://thatsmaths.com/2023/08/17/music-and-maths-from-bach-to-bacherach/https://thatsmaths.com/wp-content/uploads/2023/08/lissajous-chords.jpgLissajous-Chordshttps://thatsmaths.com/wp-content/uploads/2023/08/lissajous-interval-perfectfifth-and-semitone-it.jpgLissajous-Interval-PerfectFifth-and-SemiTone-IThttps://thatsmaths.com/wp-content/uploads/2023/08/sanjose-melody-beats.jpgScreenshotScreenshothttps://thatsmaths.com/wp-content/uploads/2023/08/lissajous-ratios-col.jpgLissajous-Ratios-COL2023-08-17T07:56:08+00:00monthlyhttps://thatsmaths.com/2023/08/03/maths-in-the-time-of-the-pharaohs/https://thatsmaths.com/wp-content/uploads/2023/08/egyptian-multiplication.jpgEgyptian-Multiplicationhttps://thatsmaths.com/wp-content/uploads/2023/08/rhind-papyrus-sheet.jpgsmartsmarthttps://thatsmaths.com/wp-content/uploads/2023/08/rhind-papyrus-circle.jpgRhind-Papyrus-Circlehttps://thatsmaths.com/wp-content/uploads/2023/08/egyptian-numerals.jpgEgyptian-Numeralshttps://thatsmaths.com/wp-content/uploads/2023/08/pyramid-of-cheops.jpgPyramid-of-Cheops2023-08-03T07:38:37+00:00monthlyhttps://thatsmaths.com/2023/07/27/margules-tendency-equation-and-richardsons-forecast/https://thatsmaths.com/wp-content/uploads/2023/07/margules-4panels.jpgMargules-4Panelshttps://thatsmaths.com/wp-content/uploads/2023/07/margules.jpgMargules2023-07-27T07:41:42+00:00monthlyhttps://thatsmaths.com/2023/07/20/dynamic-similarity-and-the-reynolds-number/https://thatsmaths.com/wp-content/uploads/2023/07/stokesplaque-naviertower.jpgStokesPlaque-NavierTowerhttps://thatsmaths.com/wp-content/uploads/2023/07/transition2turbulence-wiki.jpgTransition2Turbulence-Wikihttps://thatsmaths.com/wp-content/uploads/2023/07/transition2turbulence-eth.jpgNonlinear streamwise evolution of the vorticity magnitudeIFD Kleiserhttps://thatsmaths.com/wp-content/uploads/2023/07/stokes-commemorativeplaquescreen.jpgScreenshotScreenshot2023-07-20T07:26:21+00:00monthlyhttps://thatsmaths.com/2023/07/13/the-sizes-of-sets/https://thatsmaths.com/wp-content/uploads/2023/07/galileo-galilei-small.jpgGalileo-Galilei-Smallhttps://thatsmaths.com/wp-content/uploads/2023/07/galileosparadox-table.jpgGalileosParadox-Table2023-07-13T07:53:36+00:00monthlyhttps://thatsmaths.com/2023/07/06/the-dual-in-the-crown/https://thatsmaths.com/wp-content/uploads/2023/07/eulergraph-01-03-rot.jpgEulerGraph-01-03-ROThttps://thatsmaths.com/wp-content/uploads/2023/07/eulergraph-06.jpgEulerGraph-06https://thatsmaths.com/wp-content/uploads/2023/07/eulergraph-04-05.jpgEulerGraph-04-05https://thatsmaths.com/wp-content/uploads/2023/07/eulergraph-01-02-03.jpgEulerGraph-01-02-03https://thatsmaths.com/wp-content/uploads/2023/07/konigsberg.jpgkonigsberghttps://thatsmaths.com/wp-content/uploads/2023/07/eulergraph-01-03.jpgEulerGraph-01-032023-07-06T08:15:35+00:00monthlyhttps://thatsmaths.com/2023/06/29/vertical-or-horizontal-slices-riemann-and-lebesgue-integration/https://thatsmaths.com/wp-content/uploads/2023/06/integration-riemannlebesgue.jpgIntegration-Riemann+Lebesguehttps://thatsmaths.com/wp-content/uploads/2023/06/schilling-cover.jpgSchilling-Cover2023-06-29T07:53:01+00:00monthlyhttps://thatsmaths.com/2023/06/22/a-simple-formula-for-the-weekday/https://thatsmaths.com/wp-content/uploads/2023/06/june-1944.jpgJune-1944https://thatsmaths.com/wp-content/uploads/2023/06/doomsday-month.jpgDoomsday-Monthhttps://thatsmaths.com/wp-content/uploads/2023/06/weekday-numbers.jpgScreenshotScreenshot2023-06-22T07:39:35+00:00monthlyhttps://thatsmaths.com/2023/06/15/literomathic-synergy-for-bloomstime/https://thatsmaths.com/wp-content/uploads/2023/06/moscowgent-towles-cover.jpgMoscowGent-Towles-Coverhttps://thatsmaths.com/wp-content/uploads/2023/06/sarahhart-onceuponaprime.jpgSarahHart-OnceUponAPrimehttps://thatsmaths.com/wp-content/uploads/2023/06/moscowgent-linlog.jpgMoscowGent-linlog2023-06-15T07:32:23+00:00monthlyhttps://thatsmaths.com/2023/06/08/herman-melville-and-ishmaels-cycloid/https://thatsmaths.com/wp-content/uploads/2023/06/mam-cycloid-col.jpgMAM-Cycloid-COLhttps://thatsmaths.com/wp-content/uploads/2023/06/cycloid-pot.jpgScreenshotScreenshot2023-06-08T07:03:31+00:00monthlyhttps://thatsmaths.com/2023/06/01/the-waffle-cone-and-a-new-proof-of-pythagoras-theorem/https://thatsmaths.com/wp-content/uploads/2023/05/polymathematic-screenshot.jpgPolymathematic-Screenshothttps://thatsmaths.com/wp-content/uploads/2023/05/byrne-pythagoras.jpgByrne-Pythagoras2023-06-01T17:16:33+00:00monthlyhttps://thatsmaths.com/2023/05/25/wonky-wheels-on-wacky-roads/https://thatsmaths.com/wp-content/uploads/2023/05/wonky-wheels-1.jpgWonky-Wheelshttps://thatsmaths.com/wp-content/uploads/2023/05/wagon-stan.jpgWagon-Stanhttps://thatsmaths.com/wp-content/uploads/2023/05/wagon-wheel.jpgWagon-Wheelhttps://thatsmaths.com/wp-content/uploads/2023/05/square-wheels-1-2.jpgSquare-Wheels-1-2https://thatsmaths.com/wp-content/uploads/2023/05/wonky-wheels.jpgWonky-Wheelshttps://thatsmaths.com/wp-content/uploads/2023/05/square-wheeled-trike-momath.jpgSquare-Wheeled-Trike-MoMath2023-05-25T21:55:56+00:00monthlyhttps://thatsmaths.com/2023/05/18/the-potency-of-pattern-mind-the-gap/https://thatsmaths.com/wp-content/uploads/2023/05/spiral-periodic-table.jpgSpiral-Periodic-Tablehttps://thatsmaths.com/wp-content/uploads/2023/05/proton-uud.jpgProton-uudhttps://thatsmaths.com/wp-content/uploads/2023/05/mind-the-gap.jpgMind-the-Gaphttps://thatsmaths.com/wp-content/uploads/2023/05/periodic-table-plain.jpgPeriodic-Table-Plain2023-05-18T07:33:50+00:00monthlyhttps://thatsmaths.com/2023/05/11/a-topological-proof-of-euclids-theorem/https://thatsmaths.com/wp-content/uploads/2023/05/furstenberg-harry.jpgFurstenberg-Harryhttps://thatsmaths.com/wp-content/uploads/2023/05/infinitude-of-primes.jpgScreenshotScreenshot2023-05-11T17:57:46+00:00monthlyhttps://thatsmaths.com/2023/05/04/broken-symmetry-and-atmospheric-waves-2/https://thatsmaths.com/wp-content/uploads/2023/05/ncep-ncar-50mb-winter-summer.jpgNCEP-NCAR-50mb-Winter-Summerhttps://thatsmaths.com/wp-content/uploads/2023/05/hirota71-fig6.jpgScreenshotScreenshothttps://thatsmaths.com/wp-content/uploads/2023/05/hirota71-fig3.jpgScreenshotScreenshothttps://thatsmaths.com/wp-content/uploads/2023/05/charney-drazin.jpgCharney-Drazin2023-05-04T07:35:08+00:00monthlyhttps://thatsmaths.com/links/2023-04-29T15:11:55+00:00weekly0.6https://thatsmaths.com/2023/04/27/broken-symmetry-and-atmospheric-waves-1/https://thatsmaths.com/wp-content/uploads/2023/04/era40-summerwinter-nhs-250.jpgERA40-SummerWinter-NHS-250https://thatsmaths.com/wp-content/uploads/2023/04/zonal-wind-summerwinter.jpgZonal-Wind-SummerWinter2023-04-27T09:47:40+00:00monthlyhttps://thatsmaths.com/2023/04/20/dlwp-a-new-age-of-weather-forecasting/https://thatsmaths.com/wp-content/uploads/2023/04/hurricane-frances_amo2004244_sml.jpgHurricane-Frances_amo2004244_smlhttps://thatsmaths.com/wp-content/uploads/2023/04/graphcast.jpgGraphCast2023-04-20T07:43:36+00:00monthlyhttps://thatsmaths.com/2023/04/13/numbers-without-ones-chorisena-sets/https://thatsmaths.com/wp-content/uploads/2023/04/chorisena-3-2panel.jpgChorisena-3-2panelhttps://thatsmaths.com/wp-content/uploads/2023/04/chorisena-table.jpgChorisena-Tablehttps://thatsmaths.com/wp-content/uploads/2023/04/chorisena-10-2panel.jpgChorisena-10-2panel2023-04-14T13:07:40+00:00monthlyhttps://thatsmaths.com/2023/04/06/amusical-permutations-and-unsettleable-problems/https://thatsmaths.com/wp-content/uploads/2023/04/collatz-function-b.jpgCollatz-Function-Bhttps://thatsmaths.com/wp-content/uploads/2023/04/amusical-permutation.jpgAmusical-Permutationhttps://thatsmaths.com/wp-content/uploads/2023/04/collatz-function.jpgCollatz-Functionhttps://thatsmaths.com/wp-content/uploads/2023/04/j-h-conway-2009-denise-applewhite-princeton-univ.jpgJ-H-Conway-2009-Denise-Applewhite-Princeton-Univ2023-04-06T09:20:21+00:00monthlyhttps://thatsmaths.com/2023/03/30/limits-of-sequences-limits-of-sets/https://thatsmaths.com/wp-content/uploads/2023/03/vonneumann-john.jpgVonNeumann-Johnhttps://thatsmaths.com/wp-content/uploads/2023/03/weierstrass.jpgWeierstrass2023-03-30T17:57:42+00:00monthlyhttps://thatsmaths.com/2023/03/23/christopher-wren-and-the-cycloid/https://thatsmaths.com/wp-content/uploads/2023/03/mam-cycloid-col.jpgMAM-Cycloid-COLhttps://thatsmaths.com/wp-content/uploads/2023/03/wren-maths-gresham.jpgWren-Maths-Gresham2023-03-23T11:09:56+00:00monthlyhttps://thatsmaths.com/2023/03/16/bach-and-euler-chat-in-fredericks-court/https://thatsmaths.com/wp-content/uploads/2023/03/fredericks-theme.jpgFredericks-Themehttps://thatsmaths.com/wp-content/uploads/2023/03/bacheuler.jpgBach+Euler2023-03-16T08:16:35+00:00monthlyhttps://thatsmaths.com/2023/03/09/sets-that-are-elements-of-themselves-verboten/https://thatsmaths.com/wp-content/uploads/2023/03/russells-paradox.jpgRussells-Paradox2023-03-09T08:32:28+00:00monthlyhttps://thatsmaths.com/2023/03/02/benfords-law-revisited/https://thatsmaths.com/wp-content/uploads/2023/03/benfordsets-weighteddensity.jpgBenfordSets-WeightedDensityhttps://thatsmaths.com/wp-content/uploads/2023/03/benfordsets.jpgBenfordSetshttps://thatsmaths.com/wp-content/uploads/2023/03/benford-distribution-3.jpgBenford-Distribution-32023-03-02T08:19:45+00:00monthlyhttps://thatsmaths.com/2023/02/23/a-puzzle-two-step-selection-of-a-digit/https://thatsmaths.com/wp-content/uploads/2023/02/twostepselection.jpgTwoStepSelection2023-02-23T09:40:08+00:00monthlyhttps://thatsmaths.com/2023/02/16/weather-warnings-in-glorious-technicolor/https://thatsmaths.com/wp-content/uploads/2023/02/risk-matrix-1.jpgRisk-Matrix-12023-02-16T08:11:02+00:00monthlyhttps://thatsmaths.com/2023/02/09/ford-circles-farey-series/https://thatsmaths.com/wp-content/uploads/2023/02/ford-circles-mediant.jpgFord-Circles-Medianthttps://thatsmaths.com/wp-content/uploads/2023/02/lester-ford.jpgLester-Fordhttps://thatsmaths.com/wp-content/uploads/2023/02/ford-circles-1.jpgFord-Circles-12023-02-09T08:14:28+00:00monthlyhttps://thatsmaths.com/2023/02/02/from-wave-equations-to-modern-telecoms/https://thatsmaths.com/wp-content/uploads/2023/02/em-spectrum.jpgEM-Spectrumhttps://thatsmaths.com/wp-content/uploads/2023/02/maxwell.jpgMaxwellhttps://thatsmaths.com/wp-content/uploads/2023/02/maxwells-equations-red.jpgMaxwells-Equations-Red2023-02-02T09:48:46+00:00monthlyhttps://thatsmaths.com/2023/01/26/curvature-and-the-osculating-circle/https://thatsmaths.com/wp-content/uploads/2023/01/curvature-100-101.jpgCurvature-100-101https://thatsmaths.com/wp-content/uploads/2023/01/curvature-102.jpgCurvature-102https://thatsmaths.com/wp-content/uploads/2023/01/silverstone-racetrack.jpgSilverstone-Racetrack2023-01-26T09:40:27+00:00monthlyhttps://thatsmaths.com/2023/01/19/the-cosmology-of-the-divine-comedy/https://thatsmaths.com/wp-content/uploads/2023/01/twospheres-dante.jpgTwoSpheres-Dantehttps://thatsmaths.com/wp-content/uploads/2023/01/dore-dantes-empyrean-coloured.jpgDore-Dantes-Empyrean-Colouredhttps://thatsmaths.com/wp-content/uploads/2023/01/divine-comedy-columbia.jpgDivine-Comedy-Columbia2023-01-19T09:54:01+00:00monthlyhttps://thatsmaths.com/2023/01/12/adding-a-point-to-make-a-space-compact/https://thatsmaths.com/wp-content/uploads/2023/01/r22s2.jpgR22S2https://thatsmaths.com/wp-content/uploads/2023/01/r-1pc.jpgR-1PChttps://thatsmaths.com/wp-content/uploads/2023/01/r12s1.jpgR12S12023-01-12T08:14:46+00:00monthlyhttps://thatsmaths.com/2023/01/05/summing-the-fibonacci-sequence/https://thatsmaths.com/wp-content/uploads/2023/01/fibonaccisum-proofwithoutwords.jpgFibonacciSum-ProofWithoutWordshttps://thatsmaths.com/wp-content/uploads/2023/01/fibonacci-faceplusstamp.jpgFibonacci-FacePlusStamphttps://thatsmaths.com/wp-content/uploads/2023/01/fibonacci-stamp.jpgFibonacci-Stamphttps://thatsmaths.com/wp-content/uploads/2023/01/fibonacci-colour-mathigon.jpgFibonacci-colour-Mathigon2023-01-05T08:47:28+00:00monthlyhttps://thatsmaths.com/2022/12/29/spiric-curves-and-phase-portraits/https://thatsmaths.com/wp-content/uploads/2022/12/stewart-pendulum-phasecylindertube.jpgStewart-Pendulum-PhaseCylinderTubehttps://thatsmaths.com/wp-content/uploads/2022/12/phaseportrait-donut-pendulum.jpgPhasePortrait-Donut-Pendulumhttps://thatsmaths.com/wp-content/uploads/2022/12/spiric-curves-flattened-1.jpgSpiric-Curves-Flattened-1https://thatsmaths.com/wp-content/uploads/2022/12/spiric-curves-8.pngSpiric-Curves-8https://thatsmaths.com/wp-content/uploads/2022/12/spiricsections.jpgSpiricSectionshttps://thatsmaths.com/wp-content/uploads/2022/12/conic-spiric-sections.jpgConic-Spiric-Sections2022-12-29T11:00:08+00:00monthlyhttps://thatsmaths.com/2022/12/22/closeness-in-the-2-adic-metric/https://thatsmaths.com/wp-content/uploads/2022/12/2-adic-tower-3-4.jpg2-Adic-Tower-3-4https://thatsmaths.com/wp-content/uploads/2022/12/2-adic-tower-1-2.jpg2-Adic-Tower-1-2https://thatsmaths.com/wp-content/uploads/2022/12/2-adic-tower-0.jpg2-Adic-Tower-0https://thatsmaths.com/wp-content/uploads/2022/12/3-adic-number-tower-quanta.jpg3-adic-Number-Tower-Quantahttps://thatsmaths.com/wp-content/uploads/2022/12/2-adic-tower-4.jpg2-Adic-Tower-42022-12-22T09:36:56+00:00monthlyhttps://thatsmaths.com/2022/12/15/convergence-of-mathematics-and-physics/https://thatsmaths.com/wp-content/uploads/2022/12/einsteinsfieldequations.jpgEinsteinsFieldEquations2022-12-15T09:07:12+00:00monthlyhttps://thatsmaths.com/2022/12/08/curvature-and-geodesics-on-a-torus/https://thatsmaths.com/wp-content/uploads/2022/12/torusgeodesics-21.jpgTorusGeodesics-21https://thatsmaths.com/wp-content/uploads/2022/12/jantzen-torus-geodesics.jpgJantzen-Torus-Geodesics2022-12-08T08:32:38+00:00monthlyhttps://thatsmaths.com/2022/12/01/low-pass-filtering-and-the-remarkable-integrals-of-borwein-and-borwein/https://thatsmaths.com/wp-content/uploads/2022/11/hconv4.jpgHconv4https://thatsmaths.com/wp-content/uploads/2022/11/hfilt.jpgHfilthttps://thatsmaths.com/wp-content/uploads/2022/11/sincintegrals-mathematica.jpgScreenshotScreenshot2022-12-01T09:13:36+00:00monthlyhttps://thatsmaths.com/2022/11/24/whats-the-next-number/https://thatsmaths.com/wp-content/uploads/2022/11/sincplot12.jpgSincPlot12https://thatsmaths.com/wp-content/uploads/2022/11/lpolplot12.jpgLpolPlot12https://thatsmaths.com/wp-content/uploads/2022/11/circledivisionbychords.jpgCircleDivisionByChords2022-11-25T00:07:09+00:00monthlyhttps://thatsmaths.com/2022/11/17/the-rich-legacy-of-indian-mathematics/https://thatsmaths.com/wp-content/uploads/2022/11/madhava-gregory-leibniz-series.jpgMadhava-Gregory-Leibniz-Serieshttps://thatsmaths.com/wp-content/uploads/2022/11/ramanujan-tmwki-1.jpgRamanujan-TMWKI-1https://thatsmaths.com/wp-content/uploads/2022/11/zero-at-gwalior.jpgZero-at-Gwaliorhttps://thatsmaths.com/wp-content/uploads/2022/11/ramanujan-tmwki-2.jpgRamanujan-TMWKI-22022-11-17T08:28:53+00:00monthlyhttps://thatsmaths.com/2022/11/10/mercurys-mercurial-orbit/https://thatsmaths.com/wp-content/uploads/2022/11/asaph-hall.jpgAsaph-Hallhttps://thatsmaths.com/wp-content/uploads/2022/11/mercury-1.jpgMercury-1https://thatsmaths.com/wp-content/uploads/2022/11/mercury-0.jpgMercury-0https://thatsmaths.com/wp-content/uploads/2022/11/mercury-0-1.jpgMercury-0-12022-11-10T07:28:21+00:00monthlyhttps://thatsmaths.com/2022/11/03/the-power-of-the-2-gon-extrapolation-to-evaluate-pi/https://thatsmaths.com/wp-content/uploads/2022/11/2gon-table-1.jpg2gon-Table-1https://thatsmaths.com/wp-content/uploads/2022/11/little-richie.jpgLittle-Richie2022-11-03T08:55:17+00:00monthlyhttps://thatsmaths.com/2022/10/27/dropping-pebbles-down-a-mine-shaft/https://thatsmaths.com/wp-content/uploads/2022/10/falling-cycloid.jpgFalling-Cycloidhttps://thatsmaths.com/wp-content/uploads/2022/10/falling-body-10-sec.jpgFalling-Body-10-sec2022-10-27T07:55:05+00:00monthlyhttps://thatsmaths.com/2022/10/20/from-sub-atomic-to-cosmic-strings/https://thatsmaths.com/wp-content/uploads/2022/10/cosmic-inflation-detail.jpgCosmic-Inflation-DETAIL2022-10-20T09:40:35+00:00monthlyhttps://thatsmaths.com/2022/10/13/finding-the-area-of-a-field/https://thatsmaths.com/wp-content/uploads/2022/10/quadrilateral.jpgQuadrilateral2022-10-13T09:44:42+00:00monthlyhttps://thatsmaths.com/2022/10/06/cnd-functions-curves-that-are-continuous-but-nowhere-differentiable/https://thatsmaths.com/wp-content/uploads/2022/10/kochflake.jpgKochFlakehttps://thatsmaths.com/wp-content/uploads/2022/10/cnd-functions-01.jpgCND-Functions-01https://thatsmaths.com/wp-content/uploads/2022/10/cnd-functions-02.jpgCND-Functions-022022-10-06T07:45:08+00:00monthlyhttps://thatsmaths.com/2022/09/29/topological-calculus-away-with-those-nasty-epsilons-and-deltas/https://thatsmaths.com/wp-content/uploads/2022/09/olver-cc-fig-1.jpgOlver-CC-Fig-12022-09-29T08:35:54+00:00monthlyhttps://thatsmaths.com/2022/09/22/the-3-sphere-extrinsic-and-intrinsic-forms/https://thatsmaths.com/wp-content/uploads/2022/09/twoglobes.jpgTwoGlobeshttps://thatsmaths.com/wp-content/uploads/2022/09/twohemispheres.jpgTwoHemisphereshttps://thatsmaths.com/wp-content/uploads/2022/09/einstein1917-extract.jpgsmartsmart2022-09-22T19:04:56+00:00monthlyhttps://thatsmaths.com/2022/09/15/making-sound-pictures-to-identify-bird-songs/https://thatsmaths.com/wp-content/uploads/2022/09/spectrogram-3-chirps-b.jpgSpectrogram-3-Chirps-B2022-09-15T07:47:01+00:00monthlyhttps://thatsmaths.com/2022/09/08/dynamic-equations-for-weather-and-climate/https://thatsmaths.com/wp-content/uploads/2022/09/christoffel-sphericoords.jpgChristoffel-SpheriCoordshttps://thatsmaths.com/wp-content/uploads/2022/09/lorenz67-equations.jpgLorenz67-Equations2022-09-08T08:50:34+00:00monthlyhttps://thatsmaths.com/2022/09/01/curl-curl-curl/https://thatsmaths.com/wp-content/uploads/2022/08/curlgradanddivcurl.jpgCurlGradAndDivCurl2022-09-01T08:02:12+00:00monthlyhttps://thatsmaths.com/2022/08/25/xy-and-the-special-triangle/https://thatsmaths.com/wp-content/uploads/2022/08/xy-fitzg-james.jpgX+Y-FitzG-Jameshttps://thatsmaths.com/wp-content/uploads/2022/08/xy-special-triangle.jpgX+Y-Special-Trianglehttps://thatsmaths.com/wp-content/uploads/2022/08/xy-asa-butterfield.jpgX+Y-Asa-Butterfield2022-08-25T08:45:00+00:00monthlyhttps://thatsmaths.com/2022/08/18/the-navigational-skills-of-the-marshall-islanders/https://thatsmaths.com/wp-content/uploads/2022/08/marshall-islands-maps-1-2.jpgMarshall-Islands-Maps-1-2https://thatsmaths.com/wp-content/uploads/2022/08/marshallese-canoe.jpgMarshallese-Canoe2022-08-18T08:19:24+00:00monthlyhttps://thatsmaths.com/2022/08/11/space-filling-curves-part-ii-computing-the-limit-function/https://thatsmaths.com/wp-content/uploads/2022/08/hayes-foolproof-cover.jpgHayes-Foolproof-Coverhttps://thatsmaths.com/wp-content/uploads/2022/08/hilbert-curve-4-shapes.jpgHilbert-Curve-4-Shapeshttps://thatsmaths.com/wp-content/uploads/2022/08/sagan-sfc-cover.jpgSagan-SFC-Cover2022-08-11T07:29:18+00:00monthlyhttps://thatsmaths.com/2022/08/04/space-filling-curves-part-i-i-see-it-but-i-dont-believe-it/https://thatsmaths.com/wp-content/uploads/2022/08/hilbert-curves-1-6.jpgHilbert-Curves-1-6https://thatsmaths.com/wp-content/uploads/2022/08/hilbert-curve-construction.jpgHilbert-Curve-Constructionhttps://thatsmaths.com/wp-content/uploads/2022/08/hilbert-curve-h5.jpgHilbert-Curve-H52022-08-04T17:24:24+00:00monthlyhttps://thatsmaths.com/2022/03/24/the-chromatic-number-of-the-plane/https://thatsmaths.com/wp-content/uploads/2022/03/hadwiger-nelson-7-detail.jpgHadwiger-Nelson-7-DETAILhttps://thatsmaths.com/wp-content/uploads/2022/03/hadwiger-nelson-7-duo.jpgHadwiger-Nelson-7-DUOhttps://thatsmaths.com/wp-content/uploads/2022/03/moser-spindle-openclosed-col.jpgMoser-Spindle-OpenClosed-COL2022-08-01T21:27:48+00:00monthlyhttps://thatsmaths.com/2022/03/31/infinitesimals-vanishingly-small-but-not-quite-zero/https://thatsmaths.com/wp-content/uploads/2022/03/berkeleyanalyst.jpgBerkeley+Analysthttps://thatsmaths.com/wp-content/uploads/2022/03/abraham-robinsonnsa.jpgAbraham-Robinson+NSA2022-08-01T21:27:48+00:00monthlyhttps://thatsmaths.com/2022/04/07/mamikons-visual-calculus-and-hamiltons-hodograph/https://thatsmaths.com/wp-content/uploads/2022/04/mam-hodograph-pair-col.jpgScreenshotScreenshothttps://thatsmaths.com/wp-content/uploads/2022/04/mam-annulus-tangent-cluster-col.jpgMAM-Annulus-Tangent-Cluster-COLhttps://thatsmaths.com/wp-content/uploads/2022/04/mam-annulus-col.jpgMAM-Annulus-COL2022-08-01T21:27:48+00:00monthlyhttps://thatsmaths.com/2022/04/14/following-the-money-around-the-eurozone/https://thatsmaths.com/wp-content/uploads/2022/04/eurozone.jpgEurozonehttps://thatsmaths.com/wp-content/uploads/2022/04/euro-fivenations.jpgEuro-FiveNations2022-08-01T21:27:48+00:00monthlyhttps://thatsmaths.com/2022/04/21/the-whole-is-greater-than-the-part-or-is-it/https://thatsmaths.com/wp-content/uploads/2022/04/oliverbyrne-euclid-detail.jpgOliverByrne-Euclid-Detailhttps://thatsmaths.com/wp-content/uploads/2022/04/galileo-circles.jpgGalileo-Circles2022-08-01T21:27:48+00:00monthlyhttps://thatsmaths.com/2022/04/28/a-finite-but-unbounded-universe/https://thatsmaths.com/wp-content/uploads/2022/04/p-disk-00-01.jpgP-Disk-00-01https://thatsmaths.com/wp-content/uploads/2022/04/hyperbolic-tiling-red.jpgHyperbolic-Tiling-Red2022-08-01T21:27:48+00:00monthlyhttps://thatsmaths.com/2022/03/17/the-improbability-principle-and-the-seanad-election/https://thatsmaths.com/wp-content/uploads/2022/03/du-seanad-election.jpgDU-Seanad-Electionhttps://thatsmaths.com/wp-content/uploads/2022/03/tcd-campanile.jpgTCD-Campanile2022-08-01T21:27:48+00:00monthlyhttps://thatsmaths.com/2022/05/05/parity-and-partition-of-the-rational-numbers-part-i-the-three-parity-classes/https://thatsmaths.com/wp-content/uploads/2022/05/qp-plane-lin.jpgQP-Plane-Linhttps://thatsmaths.com/wp-content/uploads/2022/05/parity-ratios-20-col.jpgParity-ratios-20-COLhttps://thatsmaths.com/wp-content/uploads/2022/05/qp-plane-log.jpgQP-Plane-Log2022-08-01T21:27:48+00:00monthlyhttps://thatsmaths.com/2022/06/02/parity-of-the-real-numbers-part-i/2022-08-01T21:27:47+00:00monthlyhttps://thatsmaths.com/2022/06/16/icm-2022-plans-disrupted-but-not-derailed/https://thatsmaths.com/wp-content/uploads/2022/06/icm-2022-firstday.jpgICM-2022-FirstDayhttps://thatsmaths.com/wp-content/uploads/2022/06/stamp-icm-montage.jpgStamp-ICM-Montagehttps://thatsmaths.com/wp-content/uploads/2022/06/icm-2022-banner.jpgICM-2022-Banner2022-08-01T21:27:47+00:00monthlyhttps://thatsmaths.com/2022/07/21/fields-medals-presented-at-imc/https://thatsmaths.com/wp-content/uploads/2022/07/fieldsmedalfront.jpegFieldsMedalFronthttps://thatsmaths.com/wp-content/uploads/2022/07/fields2022-winners.jpgFields2022-Winners2022-08-01T21:27:47+00:00monthlyhttps://thatsmaths.com/2022/07/14/goldbachs-conjecture-and-goldbachs-variation/https://thatsmaths.com/wp-content/uploads/2022/07/godelescherbach-cover.jpgGodelEscherBach-Coverhttps://thatsmaths.com/wp-content/uploads/2022/07/goldbach-triangle-easycalculation.jpgGoldbach-Triangle-EasyCalculation2022-08-01T21:27:47+00:00monthlyhttps://thatsmaths.com/2022/07/07/the-size-of-sets-and-the-length-of-sets/https://thatsmaths.com/wp-content/uploads/2022/07/ordinal-number-spiral.jpgOrdinal-Number-Spiralhttps://thatsmaths.com/wp-content/uploads/2022/07/ordinal-number-tree.jpgOrdinal-Number-Tree2022-08-01T21:27:47+00:00monthlyhttps://thatsmaths.com/2022/06/30/can-we-control-the-weather/https://thatsmaths.com/wp-content/uploads/2022/06/lorenz-control.jpgLorenz-Controlhttps://thatsmaths.com/wp-content/uploads/2022/06/lorenz-idtwins.jpgLorenz-IdTwinshttps://thatsmaths.com/wp-content/uploads/2022/06/lorenz-attractor-50.jpgLorenz-Attractor-50https://thatsmaths.com/wp-content/uploads/2022/06/lorenz63-equations.jpgLorenz63-Equationshttps://thatsmaths.com/wp-content/uploads/2022/06/lorenz-butterfly.jpgLorenz-Butterfly2022-08-01T21:27:47+00:00monthlyhttps://thatsmaths.com/2022/06/23/the-arithmetic-triangle-is-analytical-too/https://thatsmaths.com/wp-content/uploads/2022/06/pascals-triangle-combos.jpgPascals-Triangle-Comboshttps://thatsmaths.com/wp-content/uploads/2022/06/pascalstriangle-basic.jpgPascalsTriangle-BASIC2022-08-01T21:27:47+00:00monthlyhttps://thatsmaths.com/2022/05/12/parity-and-partition-of-the-rational-numbers-part-ii-density-of-the-three-parity-classes/https://thatsmaths.com/wp-content/uploads/2022/05/sb-treestructure.jpgSB-TreeStructurehttps://thatsmaths.com/wp-content/uploads/2022/05/cw-parity-transfer.jpgCW-Parity-Transferhttps://thatsmaths.com/wp-content/uploads/2022/05/cw-treestructure.jpgCW-TreeStructurehttps://thatsmaths.com/wp-content/uploads/2022/05/cw-parity-tree.jpgCW-Parity-Tree2022-08-01T21:27:47+00:00monthlyhttps://thatsmaths.com/2022/05/19/image-processing-emerges-from-the-shadows/https://thatsmaths.com/wp-content/uploads/2022/05/kingstown-morningarc.jpgKingstown-Morningarchttps://thatsmaths.com/wp-content/uploads/2022/05/kingstown-zoom2john.jpgKingstown-Zoom2Johnhttps://thatsmaths.com/wp-content/uploads/2022/05/kingstown-postcard-lores.jpgKingstown-Postcard-LoRes2022-08-01T21:27:47+00:00monthlyhttps://thatsmaths.com/2022/05/26/fairy-lights-on-the-farey-tree/https://thatsmaths.com/wp-content/uploads/2022/05/parity-ratios-20-col-1.jpgParity-ratios-20-COLhttps://thatsmaths.com/wp-content/uploads/2022/05/cwsb-trees.jpgCWSB-Treeshttps://thatsmaths.com/wp-content/uploads/2022/05/farey-tree-41.jpgFarey-Tree-412022-08-01T21:27:47+00:00monthlyhttps://thatsmaths.com/2022/06/09/swingin-springin-twistin-motion/https://thatsmaths.com/wp-content/uploads/2022/06/wilber4-fig03.jpgWilber4-Fig03https://thatsmaths.com/wp-content/uploads/2022/06/wilber4-fig02.jpgWilber4-Fig02https://thatsmaths.com/wp-content/uploads/2022/06/wilber-lagrangians.pngWilber-Lagrangianshttps://thatsmaths.com/wp-content/uploads/2022/06/wilber4-fig01.jpgWilber4-Fig012022-08-01T21:27:47+00:00monthlyhttps://thatsmaths.com/2022/07/28/poincares-square-and-unbounded-gomoku/https://thatsmaths.com/wp-content/uploads/2022/07/gomoku-book.jpgGomoku-Bookhttps://thatsmaths.com/wp-content/uploads/2022/07/poincare-tictactoe-chess.jpgPoincare-TicTacToe-Chesshttps://thatsmaths.com/wp-content/uploads/2022/07/poincare-geodesics-00-01.jpgPoincare-Geodesics-00-01https://thatsmaths.com/wp-content/uploads/2022/07/hyperbolic-tiling-red.jpgHyperbolic-Tiling-Red2022-08-01T21:27:46+00:00monthlyhttps://thatsmaths.com/2021/06/03/the-simple-arithmetic-triangle-is-full-of-surprises/https://thatsmaths.com/wp-content/uploads/2021/06/sierpinski.jpgSierpinskihttps://thatsmaths.com/wp-content/uploads/2021/06/pascalstriangle-combo.jpgPascalsTriangle-COMBO2022-06-23T20:20:22+00:00monthlyhttps://thatsmaths.com/2022/03/10/hyperreals-and-nonstandard-analysis/https://thatsmaths.com/wp-content/uploads/2022/03/tm3-ad-imta-0.jpgTM3-Ad-IMTA-0https://thatsmaths.com/wp-content/uploads/2022/03/hyperreal-telescope.jpgHyperreal-Telescopehttps://thatsmaths.com/wp-content/uploads/2022/03/hyperreal-microscope.jpgHyperreal-Microscopehttps://thatsmaths.com/wp-content/uploads/2022/03/hyperreal-squircles-blue.jpgHyperreal-Squircles-Blue2022-03-10T08:37:39+00:00monthlyhttps://thatsmaths.com/2022/03/03/a-prescient-vision-of-modern-weather-forecasting/https://thatsmaths.com/wp-content/uploads/2022/03/wpnp22-title.jpgWPNP22-Titlehttps://thatsmaths.com/wp-content/uploads/2022/03/wpnp-2nded-cover.jpgWPNP-2ndEd-Coverhttps://thatsmaths.com/wp-content/uploads/2022/03/frontispiece.jpgFrontispiecehttps://thatsmaths.com/wp-content/uploads/2022/03/wpnp-lfr-old.jpgWPNP-LFR-old2022-03-03T09:10:47+00:00monthlyhttps://thatsmaths.com/2022/02/24/why-waffle-when-one-wordle-do/https://thatsmaths.com/wp-content/uploads/2022/02/wordle-solve-in-3.jpgWordle-Solve-in-32022-02-24T08:25:50+00:00monthlyhttps://thatsmaths.com/2022/02/17/sources-and-scenes-of-mathematical-inspiration/https://thatsmaths.com/wp-content/uploads/2022/02/poincare.jpgPoincare2022-02-17T10:35:28+00:00monthlyhttps://thatsmaths.com/2022/02/10/where-is-the-sun/https://thatsmaths.com/wp-content/uploads/2022/02/ecliptic-plane.jpgEcliptic-Planehttps://thatsmaths.com/wp-content/uploads/2022/02/azel-coordinates.jpgScreenshotScreenshothttps://thatsmaths.com/wp-content/uploads/2022/02/kingstown-suntracks-shaded.jpgKingstown-SunTracks-Shaded2022-02-10T09:17:46+00:00monthlyhttps://thatsmaths.com/2022/02/03/mathematical-equations-are-our-friends/https://thatsmaths.com/wp-content/uploads/2022/02/rotate-equations.jpgRotate-Equationshttps://thatsmaths.com/wp-content/uploads/2022/02/rotate-equations-detail.jpgRotate-Equations-DETAILhttps://thatsmaths.com/wp-content/uploads/2022/02/robert-recorde-detail.jpgRobert-Recorde-DETAIL2022-02-03T09:00:23+00:00monthlyhttps://thatsmaths.com/2022/01/27/gaussian-primes/https://thatsmaths.com/wp-content/uploads/2022/01/gausscircleproblem.jpgGaussCircleProblemhttps://thatsmaths.com/wp-content/uploads/2022/01/gaussprimes-wagon-25-50.jpgGaussPrimes-Wagon-25-50https://thatsmaths.com/wp-content/uploads/2022/01/gaussianprimexx.jpgGaussianPrimeXX2022-01-27T09:28:07+00:00monthlyhttps://thatsmaths.com/2022/01/20/letters-to-a-german-princess-eulers-blockbuster-lives-on/https://thatsmaths.com/wp-content/uploads/2022/01/eulers-letters-cover.jpgEulers-Letters-Coverhttps://thatsmaths.com/wp-content/uploads/2022/01/friederike-charlotte-preussen.jpgFriederike-Charlotte-Preussenhttps://thatsmaths.com/wp-content/uploads/2022/01/friederike-charlotte-detail.jpgFriederike-Charlotte-DETAIL2022-01-20T11:17:59+00:00monthlyhttps://thatsmaths.com/2022/01/13/eulers-journey-to-saint-petersburg/https://thatsmaths.com/wp-content/uploads/2022/01/basel-stp-greatcircle.jpgBasel-StP-GreatCirclehttps://thatsmaths.com/wp-content/uploads/2022/01/eulers-route-to-stp-col.jpgScreenshotScreenshot2022-01-13T10:17:33+00:00monthlyhttps://thatsmaths.com/2022/01/06/some-characteristics-of-the-mathematical-psyche/https://thatsmaths.com/wp-content/uploads/2022/01/hamilton-stamp.jpgHamilton-Stamp2022-01-06T09:13:10+00:00monthlyhttps://thatsmaths.com/2021/12/30/de-brangess-proof-of-the-bieberbach-conjecture/https://thatsmaths.com/wp-content/uploads/2021/12/louis-debranges.jpgLouis-DeBrangeshttps://thatsmaths.com/wp-content/uploads/2021/12/krantz-pudding.jpgKrantz-Pudding2021-12-30T08:54:31+00:00monthlyhttps://thatsmaths.com/2021/12/23/number-partitions-eulers-astonishing-insight/https://thatsmaths.com/wp-content/uploads/2021/12/leonhard-euler.jpgLeonhard-Euler2021-12-23T09:41:28+00:00monthlyhttps://thatsmaths.com/2021/12/16/bernoullis-golden-theorem-and-the-law-of-large-numbers/https://thatsmaths.com/wp-content/uploads/2021/12/coin-tosses-100x3-1.jpgCoin-Tosses-100x3https://thatsmaths.com/wp-content/uploads/2021/12/bernoulli-stamp-01.jpgBernoulli-Stamp-012021-12-16T08:34:29+00:00monthlyhttps://thatsmaths.com/2021/12/09/set-density-are-even-numbers-more-numerous-than-odd-ones/2021-12-10T01:02:08+00:00monthlyhttps://thatsmaths.com/2021/12/02/buffons-noodle-and-the-mathematics-of-hillwalking/https://thatsmaths.com/wp-content/uploads/2021/12/route-42.jpgRoute-42https://thatsmaths.com/wp-content/uploads/2021/12/bencraven-coverpic.jpgBenCraven-CoverPic2021-12-02T09:10:45+00:00monthlyhttps://thatsmaths.com/2021/11/25/chiral-and-achiral-knots/https://thatsmaths.com/wp-content/uploads/2021/11/helices-lh-rh.jpgHelices-Lh-Rhhttps://thatsmaths.com/wp-content/uploads/2021/11/trefoil-knot-blue-1and2.jpgTrefoil-Knot-Blue-1and2https://thatsmaths.com/wp-content/uploads/2021/11/achiral-knot-figureofeight.jpgAchiral-Knot-FigureOfEight2021-12-01T12:27:28+00:00monthlyhttps://thatsmaths.com/2021/11/11/cantors-theorem-and-the-unending-hierarchy-of-infinities/https://thatsmaths.com/wp-content/uploads/2021/11/cantor-map.jpgCantor-Maphttps://thatsmaths.com/wp-content/uploads/2021/11/power-set.jpgPower-Set2021-11-24T21:23:49+00:00monthlyhttps://thatsmaths.com/2021/11/18/emilie-du-chatelet-and-the-conservation-of-energy/https://thatsmaths.com/wp-content/uploads/2021/11/emilie-du-chatelet.jpgEmilie-Du-Chatelet2021-11-18T08:34:12+00:00monthlyhttps://thatsmaths.com/2021/11/04/topsy-turvy-maths-proving-axioms-from-theorems/https://thatsmaths.com/wp-content/uploads/2021/11/thales.jpgThaleshttps://thatsmaths.com/wp-content/uploads/2021/11/harvey-friedman.jpgHarvey-Friedman2021-11-04T08:53:59+00:00monthlyhttps://thatsmaths.com/2021/10/28/how-to-write-a-convincing-mathematical-paper/https://thatsmaths.com/wp-content/uploads/2021/10/mathgen-menu.jpgMathgen-Menu2021-10-28T15:51:35+00:00monthlyhttps://thatsmaths.com/2021/10/07/a-grand-unification-of-mathematics/https://thatsmaths.com/wp-content/uploads/2021/10/rene-descartes-detail.jpgRene-Descartes-Detailhttps://thatsmaths.com/wp-content/uploads/2021/10/andre-weil.jpgAndre-Weilhttps://thatsmaths.com/wp-content/uploads/2021/10/robert-langlands-detail.jpgRobert-Langlands-Detail2021-10-21T10:11:06+00:00monthlyhttps://thatsmaths.com/2021/10/21/mathematical-scandals-and-scoundrels/https://thatsmaths.com/wp-content/uploads/2021/10/lhopital-bernoulli.jpgLHopital-Bernoullihttps://thatsmaths.com/wp-content/uploads/2021/10/calculuswars-jasonbardi.jpgCalculusWars-JasonBardihttps://thatsmaths.com/wp-content/uploads/2021/10/targaglia-cardano.jpgTargaglia-Cardanohttps://thatsmaths.com/wp-content/uploads/2021/10/galois-stamp.jpgGalois-Stamp2021-10-21T07:48:41+00:00monthlyhttps://thatsmaths.com/2021/10/14/the-square-root-spiral-of-theodorus/https://thatsmaths.com/wp-content/uploads/2021/10/spiral-of-theodorus-0102.jpgSpiral-of-Theodorus-0102https://thatsmaths.com/wp-content/uploads/2021/10/spiral-of-theodorus-03.jpgSpiral-of-Theodorus-03https://thatsmaths.com/wp-content/uploads/2021/10/spiral-of-theodorus-00.jpgSpiral-of-Theodorus-002021-10-14T07:39:49+00:00monthlyhttps://thatsmaths.com/2021/09/30/the-spine-of-pascals-triangle/https://thatsmaths.com/wp-content/uploads/2021/09/pascals-triangle-combos.jpegPascals-Triangle-Comboshttps://thatsmaths.com/wp-content/uploads/2021/09/pascalsspinetable.jpgPascalsSpineTablehttps://thatsmaths.com/wp-content/uploads/2021/09/pascals-triangle-combos.jpgPascals-Triangle-Comboshttps://thatsmaths.com/wp-content/uploads/2021/09/pascalstriangle-basic.jpgPascalsTriangle-BASIC2021-09-30T07:20:00+00:00monthlyhttps://thatsmaths.com/2021/09/23/embedding-reconstructing-solutions-from-a-delay-map/https://thatsmaths.com/wp-content/uploads/2021/09/lorenz-y-vs-x-x-vs-x-1.jpgLorenz-Y-vs-X-X-vs-Xhttps://thatsmaths.com/wp-content/uploads/2021/09/lorenz-x-vs-t-z-vs-t-1.jpgLorenz-X-vs-T-Z-vs-Thttps://thatsmaths.com/wp-content/uploads/2021/09/lorenz-sinsin-01-02-1.jpgLorenz-Sinsin-01-02https://thatsmaths.com/wp-content/uploads/2021/09/lorenz-attractor.jpgLorenz-Attractor2021-09-23T10:05:05+00:00monthlyhttps://thatsmaths.com/2021/09/16/earth-system-models-simulate-the-changing-climate/https://thatsmaths.com/wp-content/uploads/2021/09/carbon-cycle-nasa.jpegCarbon-Cycle-NASAhttps://thatsmaths.com/wp-content/uploads/2021/09/earth-system-diagram-nasa.jpegEarth-system-diagram-NASA2021-09-16T07:15:58+00:00monthlyhttps://thatsmaths.com/2021/09/09/the-signum-function-may-be-continuous/2021-09-09T07:31:27+00:00monthlyhttps://thatsmaths.com/2021/09/02/the-social-side-of-mathematics/https://thatsmaths.com/wp-content/uploads/2021/08/ims-meeting2021-1.jpgIMS-Meeting2021-1https://thatsmaths.com/wp-content/uploads/2021/08/ims-meeting2021-2.jpgIMS-Meeting2021-22021-09-02T07:21:05+00:00monthlyhttps://thatsmaths.com/2021/08/26/real-derivatives-from-imaginary-increments/https://thatsmaths.com/wp-content/uploads/2021/08/compstepdiv0.jpgcompstepdiv0https://thatsmaths.com/wp-content/uploads/2021/08/compstepdiv1.jpgcompstepdiv1https://thatsmaths.com/wp-content/uploads/2021/08/numerical-differentiation-error.jpgNumerical-Differentiation-Error2021-08-26T08:02:05+00:00monthlyhttps://thatsmaths.com/2021/08/19/changing-views-on-the-age-of-the-earth/https://thatsmaths.com/wp-content/uploads/2021/08/kelvin.jpgKelvinhttps://thatsmaths.com/wp-content/uploads/2021/08/ussher.jpgUssherhttps://thatsmaths.com/wp-content/uploads/2021/08/earth-ages.jpgEarth-Ages2021-08-19T08:16:22+00:00monthlyhttps://thatsmaths.com/2021/08/12/carnival-of-mathematics/https://thatsmaths.com/wp-content/uploads/2021/08/com-005.jpgCoM-005https://thatsmaths.com/wp-content/uploads/2021/08/com-004.jpgCoM-004https://thatsmaths.com/wp-content/uploads/2021/08/com-003.jpgCoM-003https://thatsmaths.com/wp-content/uploads/2021/08/com-002.jpgCoM-002https://thatsmaths.com/wp-content/uploads/2021/08/com-001.jpgCoM-001https://thatsmaths.com/wp-content/uploads/2021/08/com-000.jpgCoM-0002021-08-12T07:51:44+00:00monthlyhttps://thatsmaths.com/2021/08/05/phantom-traffic-jams-are-all-too-real/https://thatsmaths.com/wp-content/uploads/2021/08/trafficjam-alanbetson.jpgTrafficJam-AlanBetsonhttps://thatsmaths.com/wp-content/uploads/2021/08/trafficflow-01-land.jpgTrafficFlow-01-LANDhttps://thatsmaths.com/wp-content/uploads/2021/08/irish-traffic-jam.jpegIrish-traffic-jam2021-08-05T07:21:59+00:00monthlyhttps://thatsmaths.com/2021/07/29/simple-models-of-atmospheric-vortices/https://thatsmaths.com/wp-content/uploads/2021/07/vortex-windspeed.jpgVortex-Windspeedhttps://thatsmaths.com/wp-content/uploads/2021/07/vortex-pressure.jpgVortex-Pressurehttps://thatsmaths.com/wp-content/uploads/2021/07/doswind.jpgDosWind2021-07-29T07:31:18+00:00monthlyhttps://thatsmaths.com/2021/07/22/finding-fixed-points/https://thatsmaths.com/wp-content/uploads/2021/07/fixed-point-3.jpgFixed-Point-3https://thatsmaths.com/wp-content/uploads/2021/07/fixed-point-4.jpgFixed-Point-4https://thatsmaths.com/wp-content/uploads/2021/07/fixed-point-13.jpgFixed-Point-13https://thatsmaths.com/wp-content/uploads/2021/07/fixed-point-14.jpgFixed-Point-142021-07-22T10:42:15+00:00monthlyhttps://thatsmaths.com/2021/07/15/all-numbers-great-and-small/https://thatsmaths.com/wp-content/uploads/2021/07/awesums-numberline-15.jpgAweSums-Numberline-15https://thatsmaths.com/wp-content/uploads/2021/07/awesums-numberline-12.jpgAweSums-Numberline-12https://thatsmaths.com/wp-content/uploads/2021/07/awesums-numberline-02.jpgAweSums-Numberline-022021-07-15T08:20:18+00:00monthlyhttps://thatsmaths.com/2021/07/08/approximating-the-circumference-of-an-ellipse/https://thatsmaths.com/wp-content/uploads/2021/07/ellipse-alfabeta-grab.jpgEllipse-ALFABETA-grabhttps://thatsmaths.com/wp-content/uploads/2021/07/ellipse-amgmrms-grab.jpgEllipse-AMGMRMS-grabhttps://thatsmaths.com/wp-content/uploads/2021/07/ellipse-raman12-grab.jpgEllipse-RAMAN12-grab2021-07-08T14:04:07+00:00monthlyhttps://thatsmaths.com/2021/07/01/kalman-filters-from-the-moon-to-the-motorway/https://thatsmaths.com/wp-content/uploads/2021/07/leastsquares-kalman-colour.jpgLeastSquares-Kalman-COLOURhttps://thatsmaths.com/wp-content/uploads/2021/07/shuttle-takeoff.jpgShuttle-TakeOff2021-07-01T08:58:31+00:00monthlyhttps://thatsmaths.com/2021/06/24/gauss-predicts-the-orbit-of-ceres/https://thatsmaths.com/wp-content/uploads/2021/06/ceres-3-lines.jpgCeres-3-Lineshttps://thatsmaths.com/wp-content/uploads/2021/06/ceres-moon-earth.jpgCeres-Moon-Earth2021-06-24T08:57:52+00:00monthlyhttps://thatsmaths.com/2021/06/17/seeing-beyond-the-horizon/https://thatsmaths.com/wp-content/uploads/2021/06/snowdon-from-ireland-original.jpgSnowdon-from-Ireland-ORIGINALhttps://thatsmaths.com/wp-content/uploads/2021/06/snowdon-from-ireland-enhanced.jpgSnowdon-from-Ireland-ENHANCED2021-06-17T07:53:02+00:00monthlyhttps://thatsmaths.com/2021/06/10/al-biruni-and-the-size-of-the-earth/https://thatsmaths.com/wp-content/uploads/2021/06/albiruni-square.jpgAlBiruni-Squarehttps://thatsmaths.com/wp-content/uploads/2021/06/horizon-02.jpgHorizon-02https://thatsmaths.com/wp-content/uploads/2021/06/horizon-03.jpgHorizon-03https://thatsmaths.com/wp-content/uploads/2021/06/al-biruni-vienna.jpgAl-Biruni-Vienna2021-06-10T07:43:30+00:00monthlyhttps://thatsmaths.com/2021/05/27/hanoi-graphs-and-sierpinskis-triangle/https://thatsmaths.com/wp-content/uploads/2021/05/hanoi-02-1.jpgHanoi-02https://thatsmaths.com/wp-content/uploads/2021/05/hanoi-02.jpgHanoi-02https://thatsmaths.com/wp-content/uploads/2021/05/hanoi-01.jpgHanoi-01https://thatsmaths.com/wp-content/uploads/2021/05/towerofhanoi.jpgOLYMPUS DIGITAL CAMERAOLYMPUS DIGITAL CAMERA2021-05-28T07:59:47+00:00monthlyhttps://thatsmaths.com/2021/05/20/multi-faceted-aspects-of-euclids-elements/https://thatsmaths.com/wp-content/uploads/2021/05/casey-euclid-books-1-6.jpgCasey-Euclid-Books-1-6https://thatsmaths.com/wp-content/uploads/2021/05/casey-euclid-banner.jpgCasey-Euclid-Bannerhttps://thatsmaths.com/wp-content/uploads/2021/05/covid-polyhedron.jpgCovid-Polyhedronhttps://thatsmaths.com/wp-content/uploads/2021/05/abraham-lincoln.jpgAbraham-Lincoln2021-05-20T07:47:18+00:00monthlyhttps://thatsmaths.com/2021/05/13/a-model-for-elliptic-geometry/https://thatsmaths.com/wp-content/uploads/2021/05/spherical-triangle-270-degrees.jpgSpherical-Triangle-270-degreeshttps://thatsmaths.com/wp-content/uploads/2021/05/pseudosphere.jpgPseudoSpherehttps://thatsmaths.com/wp-content/uploads/2021/05/noneuclidean-parallels.jpgNonEuclidean-Parallels2021-05-13T09:38:36+00:00monthlyhttps://thatsmaths.com/2021/05/06/improving-weather-forecasts-by-reducing-precision/https://thatsmaths.com/wp-content/uploads/2021/05/lorenz-butterfly.jpgLorenz-Butterfly2021-05-06T08:11:40+00:00monthlyhttps://thatsmaths.com/2021/04/29/can-you-believe-your-eyes/https://thatsmaths.com/wp-content/uploads/2021/04/aliasing-00.jpgAliasing-00https://thatsmaths.com/wp-content/uploads/2021/04/stagecoach-1.jpgStagecoachhttps://thatsmaths.com/wp-content/uploads/2021/04/stagecoach.jpgStagecoachhttps://thatsmaths.com/wp-content/uploads/2021/04/strobe-03.jpgStrobe-03https://thatsmaths.com/wp-content/uploads/2021/04/strobe-01.jpgStrobe-01https://thatsmaths.com/wp-content/uploads/2021/04/strobe-02.jpgStrobe-02https://thatsmaths.com/wp-content/uploads/2021/04/strobe-00.jpgStrobe-002021-04-29T11:09:39+00:00monthlyhttps://thatsmaths.com/2021/04/22/the-size-of-things/https://thatsmaths.com/wp-content/uploads/2021/04/galileo-circles.pngGalileo-Circleshttps://thatsmaths.com/wp-content/uploads/2021/04/cantor-set.jpgCantor-set2021-04-22T11:14:41+00:00monthlyhttps://thatsmaths.com/2021/04/15/entropy-and-the-relentless-drift-from-order-to-chaos/https://thatsmaths.com/wp-content/uploads/2021/04/boltzmann-bookcover.jpgBoltzmann-BookCoverhttps://thatsmaths.com/wp-content/uploads/2021/04/boltzmanns-equation.jpgBoltzmanns-Equation2021-04-15T08:16:35+00:00monthlyhttps://thatsmaths.com/2021/04/08/circles-polygons-and-the-kepler-bouwkamp-constant/2021-04-08T07:28:03+00:00monthlyhttps://thatsmaths.com/2021/04/01/was-space-weather-the-cause-of-the-titanic-disaster/2021-04-01T08:19:51+00:00monthlyhttps://thatsmaths.com/2021/03/25/the-dimension-of-a-point-that-isnt-there/https://thatsmaths.com/wp-content/uploads/2021/03/enrico-betti.jpgEnrico-Bettihttps://thatsmaths.com/wp-content/uploads/2021/03/art559-tab1-1.jpgArt559-Tab1https://thatsmaths.com/wp-content/uploads/2021/03/art559-tab1.jpgArt559-Tab12021-03-25T08:34:18+00:00monthlyhttps://thatsmaths.com/2021/03/18/making-the-best-of-waiting-in-line/https://thatsmaths.com/wp-content/uploads/2021/03/queueing-system-col.jpgQueueing-System-COL2021-03-18T08:50:20+00:00monthlyhttps://thatsmaths.com/2021/03/11/differential-forms-and-stokes-theorem/https://thatsmaths.com/wp-content/uploads/2021/03/elie-cartan.jpgElie-Cartanhttps://thatsmaths.com/wp-content/uploads/2021/03/cartan-table-1.jpgCartan-Table-12021-03-11T08:25:57+00:00monthlyhttps://thatsmaths.com/2021/03/04/goldbachs-conjecture-if-its-unprovable-it-must-be-true/https://thatsmaths.com/wp-content/uploads/2021/02/goldbach-triangle-easycalculation.jpgGoldbach-Triangle-EasyCalculationhttps://thatsmaths.com/wp-content/uploads/2021/02/goldbach-triangle.jpgGoldbach-Triangle2021-03-04T07:51:42+00:00monthlyhttps://thatsmaths.com/2021/02/25/mamikons-theorem-and-the-area-under-a-cycloid-arch/https://thatsmaths.com/wp-content/uploads/2021/02/mam-cycloid-sweep-cluster-col.jpgMAM-Cycloid-Sweep-Cluster-COLhttps://thatsmaths.com/wp-content/uploads/2021/02/mam-cycloid-ptq-col.jpgMAM-Cycloid-PTQ-COLhttps://thatsmaths.com/wp-content/uploads/2021/02/mam-cycloid-bw.jpgMAM-Cycloid-BWhttps://thatsmaths.com/wp-content/uploads/2021/02/mam-cycloid-col.jpgMAM-Cycloid-COL2021-02-25T09:54:57+00:00monthlyhttps://thatsmaths.com/2021/02/18/machine-learning-and-climate-change-prediction/https://thatsmaths.com/wp-content/uploads/2021/02/climate-physics.jpgClimate-Physics2021-02-18T11:41:43+00:00monthlyhttps://thatsmaths.com/2021/02/11/apples-and-lemons-in-a-doughnut/https://thatsmaths.com/wp-content/uploads/2021/02/torus-apple-lemon-surface-volume.jpgTorus-Apple-Lemon-Surface-Volumehttps://thatsmaths.com/wp-content/uploads/2021/02/torus-apple-lemon.jpgTorus-Apple-Lemonhttps://thatsmaths.com/wp-content/uploads/2021/02/torus-generators234.jpgTorus-Generators234https://thatsmaths.com/wp-content/uploads/2021/02/torus-cutaways234.jpgTorus-CutAways234https://thatsmaths.com/wp-content/uploads/2021/02/torus-gen-0.jpgTorus-Gen-0https://thatsmaths.com/wp-content/uploads/2021/02/fusiforms-4.jpgFusiforms-42021-02-11T10:36:06+00:00monthlyhttps://thatsmaths.com/2021/02/04/complexity-are-easily-checked-problems-also-easily-solved/https://thatsmaths.com/wp-content/uploads/2021/02/al-khwarizmi-painting.jpgAl-Khwarizmi-painting2021-02-04T08:40:28+00:00monthlyhttps://thatsmaths.com/2021/01/28/eulers-product-the-golden-key/https://thatsmaths.com/wp-content/uploads/2021/01/eulersproductred-2.jpgEulersProductRedhttps://thatsmaths.com/wp-content/uploads/2021/01/eulersproductred-1.jpgEulersProductRedhttps://thatsmaths.com/wp-content/uploads/2021/01/eulersproduct.jpgEulersProduct2021-01-29T00:22:14+00:00monthlyhttps://thatsmaths.com/2021/01/21/euler-a-mathematician-without-equal-and-an-overall-nice-guy/https://thatsmaths.com/wp-content/uploads/2021/01/leonhard-euler.jpgLeonhard-Euler2021-01-21T08:32:02+00:00monthlyhttps://thatsmaths.com/2021/01/14/the-basel-problem-eulers-bravura-performance/https://thatsmaths.com/wp-content/uploads/2021/01/eulersproductred.jpgEulersProductRedhttps://thatsmaths.com/wp-content/uploads/2021/01/sin-product-col.jpgSin-Product-COLhttps://thatsmaths.com/wp-content/uploads/2021/01/sin-taylor-col.jpgSin-Taylor-COL2021-01-14T09:06:56+00:00monthlyhttps://thatsmaths.com/2021/01/07/we-are-living-at-the-bottom-of-an-ocean/https://thatsmaths.com/wp-content/uploads/2021/01/alexandervonhumboldt-1843.jpgAlexanderVonHumboldt-1843https://thatsmaths.com/wp-content/uploads/2021/01/barometric-tides-03.jpgBarometric-Tides-032021-01-07T08:44:05+00:00monthlyhttps://thatsmaths.com/2020/12/17/on-what-weekday-is-christmas-use-the-doomsday-rule/https://thatsmaths.com/wp-content/uploads/2020/12/doomsday-rule.jpgDoomsday-Rule2021-01-04T13:05:48+00:00monthlyhttps://thatsmaths.com/2020/12/31/derangements-and-continued-fractions-for-e/https://thatsmaths.com/wp-content/uploads/2020/12/cf-for-e.jpgCF-for-ehttps://thatsmaths.com/wp-content/uploads/2020/12/cf-convergencerates-col.jpgCF-ConvergenceRates-COL2020-12-31T15:10:55+00:00monthlyhttps://thatsmaths.com/2020/12/24/arrangements-and-derangements/https://thatsmaths.com/wp-content/uploads/2020/12/derangements-table.jpgDerangements-Tablehttps://thatsmaths.com/wp-content/uploads/2020/12/derangements-4.jpgDerangements-42020-12-24T18:24:11+00:00monthlyhttps://thatsmaths.com/2020/12/10/will-rh-be-proved-by-a-physicist/https://thatsmaths.com/wp-content/uploads/2020/12/montgomery-odlyzko-law.jpgMontgomery-Odlyzko-Lawhttps://thatsmaths.com/wp-content/uploads/2020/12/rhm-zer-graphs.jpgRHM-ZER-Graphshttps://thatsmaths.com/wp-content/uploads/2020/12/rhm-ran-graphs.jpgRHM-RAN-Graphs2020-12-10T08:56:34+00:00monthlyhttps://thatsmaths.com/2020/12/03/decorating-christmas-trees-with-the-four-colour-theorem/https://thatsmaths.com/wp-content/uploads/2020/12/tricolourchristmastree-3.jpgTriColourChristmasTree-3https://thatsmaths.com/wp-content/uploads/2020/12/ireland-counties-outline-laois.jpgIreland-Counties-Outline-Laoishttps://thatsmaths.com/wp-content/uploads/2020/12/tricolourchristmastree-3-stripe.jpgTriColourChristmasTree-3-Stripe2020-12-03T08:23:50+00:00monthlyhttps://thatsmaths.com/2020/11/26/laczkovich-squares-the-circle/https://thatsmaths.com/wp-content/uploads/2020/11/tm2-front-cover.jpgTM2-Front-Coverhttps://thatsmaths.com/wp-content/uploads/2020/11/wbg-theorem-detail.jpgWBG-Theorem-DETAILhttps://thatsmaths.com/wp-content/uploads/2020/11/marksungerdissection.jpgMarksUngerDissectionhttps://thatsmaths.com/wp-content/uploads/2020/11/miklos-laczkovich-2011.jpgMiklos-Laczkovich-2011https://thatsmaths.com/wp-content/uploads/2020/11/wbg-theorem.jpgWBG-Theorem2020-11-26T07:40:47+00:00monthlyhttps://thatsmaths.com/2020/11/19/irelands-mapping-grid-in-harmony-with-gps/https://thatsmaths.com/wp-content/uploads/2020/11/mercator-2types.jpgMercator-2typeshttps://thatsmaths.com/wp-content/uploads/2020/11/transversemercatormap-detail.jpgTransverseMercatorMap-DETAIL2020-11-19T08:07:25+00:00monthlyhttps://thatsmaths.com/2020/11/12/aleph-beth-continuum/https://thatsmaths.com/wp-content/uploads/2020/11/gch-red.jpgGCH-REDhttps://thatsmaths.com/wp-content/uploads/2020/11/gch-1.jpgGCHhttps://thatsmaths.com/wp-content/uploads/2020/11/gch.jpgGCH2020-11-12T09:57:59+00:00monthlyhttps://thatsmaths.com/2020/11/05/weather-forecasts-get-better-and-better/https://thatsmaths.com/wp-content/uploads/2020/11/navier-stokes-equations-2.jpgNavier-Stokes-Equations-2https://thatsmaths.com/wp-content/uploads/2020/11/ecmwf-skillscores-01.jpgECMWF-SkillScores-012020-11-05T09:11:58+00:00monthlyhttps://thatsmaths.com/2020/10/22/the-p-adic-numbers-part-i/https://thatsmaths.com/wp-content/uploads/2020/10/katok-cover.jpgKatok-Cover2020-10-29T12:47:56+00:00monthlyhttps://thatsmaths.com/2020/10/29/the-p-adic-numbers-part-2/https://thatsmaths.com/wp-content/uploads/2020/10/kurt-hensel.jpgKurt-Hensel2020-10-29T11:56:26+00:00monthlyhttps://thatsmaths.com/2020/10/15/terence-tao-to-deliver-the-hamilton-lecture/https://thatsmaths.com/wp-content/uploads/2020/10/terry-tao.jpgTerry-Tao2020-10-15T06:51:25+00:00monthlyhttps://thatsmaths.com/2020/10/08/from-impossible-shapes-to-the-nobel-prize/https://thatsmaths.com/wp-content/uploads/2020/10/penrose-staircase.jpgPenrose-Staircasehttps://thatsmaths.com/wp-content/uploads/2020/10/penrose-tribar.jpgPenrose-Tribarhttps://thatsmaths.com/wp-content/uploads/2020/10/perth-tribar.jpgPerth-Tribar2020-10-08T07:32:43+00:00monthlyhttps://thatsmaths.com/2020/10/01/mathematics-and-the-nature-of-physical-reality/https://thatsmaths.com/wp-content/uploads/2020/10/einstein-colour-wide.jpgEinstein-colour-widehttps://thatsmaths.com/wp-content/uploads/2020/09/whitehead-russell-3-vols.jpgWhitehead-Russell-3-Volshttps://thatsmaths.com/wp-content/uploads/2020/09/wigner-essay.jpgWigner-Essay2020-10-01T07:14:34+00:00monthlyhttps://thatsmaths.com/2020/09/24/doughnuts-and-dumplings-are-distinct-homopoty-101/https://thatsmaths.com/wp-content/uploads/2020/09/sphere-torus.jpgSphere-Torus2020-09-24T08:13:06+00:00monthlyhttps://thatsmaths.com/2020/09/17/will-mathematicians-be-replaced-by-computers/https://thatsmaths.com/wp-content/uploads/2020/09/go-gameboard.jpgGo-Gameboard2020-09-17T11:58:20+00:00monthlyhttps://thatsmaths.com/2020/09/03/suitable-names-for-large-numbers/https://thatsmaths.com/wp-content/uploads/2020/09/suitable-boy.jpgSuitable-Boy2020-09-14T14:53:17+00:00monthlyhttps://thatsmaths.com/2020/09/10/tex-a-boon-for-mathematicians/https://thatsmaths.com/wp-content/uploads/2020/09/donald-knuth.jpgDonald-Knuth2020-09-10T08:31:41+00:00monthlyhttps://thatsmaths.com/2020/08/27/jungs-theorem-enclosing-a-set-of-points/2020-09-04T20:23:16+00:00monthlyhttps://thatsmaths.com/2020/08/20/is-there-anyone-out-there-the-drake-equation-gives-a-clue/https://thatsmaths.com/wp-content/uploads/2020/08/drake-equation-plaque-nrao-1.jpgDrake-Equation-Plaque-NRAOhttps://thatsmaths.com/wp-content/uploads/2020/08/drake-equation-latex.jpgDrake-Equation-LaTeXhttps://thatsmaths.com/wp-content/uploads/2020/08/drake-equation-plaque-nrao.jpgDrake-Equation-Plaque-NRAO2020-08-20T07:53:21+00:00monthlyhttps://thatsmaths.com/2020/08/13/think-of-a-number-what-are-the-odds-that-it-is-even/https://thatsmaths.com/wp-content/uploads/2020/08/eulerprobdist.jpgEulerProbDist2020-08-13T21:12:14+00:00monthlyhttps://thatsmaths.com/2020/08/06/resolution-of-paradox-a-gateway-to-mathematical-progress/https://thatsmaths.com/wp-content/uploads/2020/08/zeno-dichotomy-paradox.jpgZeno-Dichotomy-Paradoxhttps://thatsmaths.com/wp-content/uploads/2020/08/montyhall-1.jpgMontyHall-1https://thatsmaths.com/wp-content/uploads/2020/08/weyl-49-cover.jpgWeyl-49-Cover2020-08-06T07:07:58+00:00monthlyhttps://thatsmaths.com/2020/07/30/berrys-paradox-and-gdels-incompleteness-theorem/https://thatsmaths.com/wp-content/uploads/2020/07/chaitin-boolos.jpgChaitin-Boolos2020-07-30T07:52:07+00:00monthlyhttps://thatsmaths.com/2020/07/23/does-numerical-integration-reflect-the-truth/https://thatsmaths.com/wp-content/uploads/2020/07/cfl-criterion-table.jpgCFL-Criterion-Tablehttps://thatsmaths.com/wp-content/uploads/2020/07/cfl-criterion-1.jpgCFL-Criterion-12020-07-23T10:25:00+00:00monthlyhttps://thatsmaths.com/2020/07/16/cornelius-lanczos-inspired-by-hamiltons-quaternions/https://thatsmaths.com/wp-content/uploads/2020/07/lanczos-on-fourier-detail.jpgLanczos-on-Fourier-Detailhttps://thatsmaths.com/wp-content/uploads/2020/07/lanczos-cornelius-chirnside.jpgLanczos-Cornelius-Chirnsidehttps://thatsmaths.com/wp-content/uploads/2020/07/lanczos240.jpgLanczos2402020-07-16T17:10:17+00:00monthlyhttps://thatsmaths.com/2020/07/09/buridans-ass/https://thatsmaths.com/wp-content/uploads/2020/07/jean-buridan.jpgJean-Buridanhttps://thatsmaths.com/wp-content/uploads/2020/07/buridansass-1.jpgBuridansAss-1https://thatsmaths.com/wp-content/uploads/2020/07/buridansass-0.jpgBuridansAss-02020-07-09T09:53:11+00:00monthlyhttps://thatsmaths.com/2020/07/02/the-ever-growing-goals-of-googology/https://thatsmaths.com/wp-content/uploads/2020/07/top500-june-20.jpgTop500-June-20https://thatsmaths.com/wp-content/uploads/2020/07/onegoogol.jpgOneGoogol2020-07-02T07:49:24+00:00monthlyhttps://thatsmaths.com/2020/06/25/the-online-encyclopedia-of-integer-sequences/https://thatsmaths.com/wp-content/uploads/2020/06/oeis-homepage.jpgOEIS-Homepage2020-06-25T10:29:45+00:00monthlyhttps://thatsmaths.com/2020/06/18/the-geography-of-europe-is-mapped-in-our-genes/2020-06-18T13:38:19+00:00monthlyhttps://thatsmaths.com/2020/06/11/dimension-reduction-by-pca/https://thatsmaths.com/wp-content/uploads/2020/06/correlated-variables.pngCorrelated-Variableshttps://thatsmaths.com/wp-content/uploads/2020/06/foursubspaces.jpgFourSubSpaces2020-06-11T08:52:31+00:00monthlyhttps://thatsmaths.com/2020/06/04/pooling-expertise-to-tackle-covid-19/https://thatsmaths.com/wp-content/uploads/2020/06/iemag-nolan.jpgIEMAG-Nolanhttps://thatsmaths.com/wp-content/uploads/2020/06/seir-structure.jpgSEIR-Structurehttps://thatsmaths.com/wp-content/uploads/2020/06/iemag-technotes.jpgIEMAG-TechNoteshttps://thatsmaths.com/wp-content/uploads/2020/06/r-number.jpgR-Number2020-06-04T08:08:27+00:00monthlyhttps://thatsmaths.com/2020/05/28/the-monte-carlo-method/https://thatsmaths.com/wp-content/uploads/2020/05/monte-carlo-4panel.jpgMonte-Carlo-4panelhttps://thatsmaths.com/wp-content/uploads/2020/05/monte-carlo-wide-4panel-1.jpgMonte-Carlo-Wide-4panelhttps://thatsmaths.com/wp-content/uploads/2020/05/log-integrate-2panel.jpgLog-Integrate-2panelhttps://thatsmaths.com/wp-content/uploads/2020/05/monte-carlo-wide-4panel-e1590616684340.jpgMonte-Carlo-Wide-4panel2020-05-28T07:55:27+00:00monthlyhttps://thatsmaths.com/2020/05/21/changing-the-way-that-we-look-at-the-world/2020-05-21T17:10:50+00:00monthlyhttps://thatsmaths.com/2020/05/14/a-new-perspective-on-perspective/https://thatsmaths.com/wp-content/uploads/2020/05/perspective-cover.jpgPerspective-Coverhttps://thatsmaths.com/wp-content/uploads/2020/05/school-of-athens-midres.jpgSchool-of-Athens-MidRes2020-05-21T17:09:12+00:00monthlyhttps://thatsmaths.com/2020/05/07/john-casey-a-founder-of-modern-geometry/https://thatsmaths.com/wp-content/uploads/2020/05/caseys-angle.jpgCaseys-Anglehttps://thatsmaths.com/wp-content/uploads/2020/05/john-casey-sequel.jpgJohn-Casey-Sequelhttps://thatsmaths.com/wp-content/uploads/2020/05/caseystheorem-pl.jpgCaseysTheorem-PLhttps://thatsmaths.com/wp-content/uploads/2020/05/john-casey-01.jpgJohn-Casey-012020-05-09T19:47:35+00:00monthlyhttps://thatsmaths.com/2020/04/30/order-in-the-midst-of-chaos/https://thatsmaths.com/wp-content/uploads/2020/04/ramsey-theory-2.jpgRamsey-Theory-2https://thatsmaths.com/wp-content/uploads/2020/04/ramsey-theory-1.jpgRamsey-Theory-1https://thatsmaths.com/wp-content/uploads/2020/04/frank-ramsey.jpgFrank-Ramseyhttps://thatsmaths.com/wp-content/uploads/2020/04/complete-graphs-6-10.jpgComplete-Graphs-6-102020-04-30T07:59:37+00:00monthlyhttps://thatsmaths.com/2020/04/23/john-horton-conway-a-charismatic-genius/https://thatsmaths.com/wp-content/uploads/2020/04/j-h-conway-dith-pran-nytimes.jpgJ-H-Conway-Dith-Pran-NYTimeshttps://thatsmaths.com/wp-content/uploads/2020/04/j-h-conway-2009-denise-applewhite-princeton-univ.jpgJ-H-Conway-2009-Denise-Applewhite-Princeton-Univ2020-04-23T10:33:03+00:00monthlyhttps://thatsmaths.com/2020/04/16/exponential-growth-must-come-to-an-end/https://thatsmaths.com/wp-content/uploads/2020/04/flatten-the-curve-ecdc.jpgFlatten-the-Curve-ECDC2020-04-16T07:53:03+00:00monthlyhttps://thatsmaths.com/2020/04/09/the-ross-littlewood-paradox/https://thatsmaths.com/wp-content/uploads/2020/04/ross-littlewood-01.jpgRoss-Littlewood-01https://thatsmaths.com/wp-content/uploads/2020/04/ross-littlewood-table2.jpgRoss-Littlewood-Table2https://thatsmaths.com/wp-content/uploads/2020/04/ross-littlewood-table1.jpgRoss-Littlewood-Table12020-04-09T08:08:27+00:00monthlyhttps://thatsmaths.com/2020/04/02/the-mathematics-of-fair-play-in-video-games/https://thatsmaths.com/wp-content/uploads/2020/04/league-of-legends.jpgLeague-Of-Legends2020-04-02T20:27:10+00:00monthlyhttps://thatsmaths.com/2020/03/26/bang-bang-bang-explosively-large-numbers/https://thatsmaths.com/wp-content/uploads/2020/03/knuth-uparrows.jpgKnuth-Uparrowshttps://thatsmaths.com/wp-content/uploads/2020/03/bang-1224578.jpgBang-12245782020-03-26T08:47:14+00:00monthlyhttps://thatsmaths.com/2020/03/19/covid-19-modelling-the-evolution-of-a-viral-outbreak/https://thatsmaths.com/wp-content/uploads/2020/03/covid-19-notice.jpgCovid-19-Noticehttps://thatsmaths.com/wp-content/uploads/2020/03/sir-model-output.jpgSIR-model-outputhttps://thatsmaths.com/wp-content/uploads/2020/03/sars-cov-2-virion.jpgSARS-CoV-2-virion2020-03-19T14:27:37+00:00monthlyhttps://thatsmaths.com/2020/03/12/samuel-haughton-and-the-twelve-faithless-hangmaids/https://thatsmaths.com/wp-content/uploads/2020/03/hangmaids-05.jpgHangmaids-05https://thatsmaths.com/wp-content/uploads/2020/03/hangmaids-01.jpgHangmaids-01https://thatsmaths.com/wp-content/uploads/2020/03/hangmaids-05-col.jpgHangmaids-05-COL2020-03-12T10:14:36+00:00monthlyhttps://thatsmaths.com/2020/03/05/samuel-haughton-and-the-humane-drop/https://thatsmaths.com/wp-content/uploads/2020/03/samuel-haughton.jpgSamuel-Haughtonhttps://thatsmaths.com/wp-content/uploads/2020/03/samuel-haughton-irelandseye.jpgSamuel-Haughton-IrelandsEye2020-03-05T21:31:57+00:00monthlyhttps://thatsmaths.com/2020/02/27/zhukovskys-airfoil/https://thatsmaths.com/wp-content/uploads/2020/02/zhukovsky-flow.jpgZhukovsky-Flowhttps://thatsmaths.com/wp-content/uploads/2020/02/zhukovsky-cylcirc.jpgZhukovsky-CylCirchttps://thatsmaths.com/wp-content/uploads/2020/02/zhukovsky-cylandair.jpgZhukovsky-CylAndAirhttps://thatsmaths.com/wp-content/uploads/2020/02/zhukovsky-circle-airfoil.jpgZhukovsky-Circle-Airfoilhttps://thatsmaths.com/wp-content/uploads/2020/02/zhukovsky-zonalanddipoleflow.jpgZhukovsky-ZonalandDipoleFlowhttps://thatsmaths.com/wp-content/uploads/2020/02/zhukovsky-phipsi.jpgZhukovsky-PhiPsihttps://thatsmaths.com/wp-content/uploads/2020/02/zhukovsky-animation.jpgZhukovsky-Animation2020-02-27T08:35:14+00:00monthlyhttps://thatsmaths.com/2020/02/20/how-many-numbers-begin-with-a-1-more-than-30/https://thatsmaths.com/wp-content/uploads/2020/02/benford-distribution-3.jpgBenford-Distribution-32020-02-20T08:22:55+00:00monthlyhttps://thatsmaths.com/2020/02/06/using-maths-to-reduce-aircraft-noise/https://thatsmaths.com/wp-content/uploads/2020/02/hibypass-turbofan.jpgHiBypass-Turbofanhttps://thatsmaths.com/wp-content/uploads/2020/02/boeing-737-400-cfm56-engine.jpgOLYMPUS DIGITAL CAMERAOLYMPUS DIGITAL CAMERA2020-02-19T21:58:35+00:00monthlyhttps://thatsmaths.com/2020/02/13/a-ring-of-water-shows-the-earths-spin/https://thatsmaths.com/wp-content/uploads/2020/02/comptons-generator-sciam2.jpgComptons-Generator-SciAm22020-02-13T21:01:45+00:00monthlyhttps://thatsmaths.com/2020/01/30/the-rambling-roots-of-wilkinsons-polynomial/https://thatsmaths.com/wp-content/uploads/2020/01/wilkinson-poly-roots.jpgWilkinson-Poly-Rootshttps://thatsmaths.com/wp-content/uploads/2020/01/wilkinson-polynomial.jpgWilkinson-Polynomial2020-01-31T08:57:13+00:00monthlyhttps://thatsmaths.com/2020/01/23/adjoints-of-vector-operators/https://thatsmaths.com/wp-content/uploads/2020/01/curlgradanddivcurl-1.jpgCurlGradAndDivCurlhttps://thatsmaths.com/wp-content/uploads/2020/01/graddivcurl-diagram.jpgGradDivCurl-Diagramhttps://thatsmaths.com/wp-content/uploads/2020/01/linearoperator-xy.jpgLinearOperator-XYhttps://thatsmaths.com/wp-content/uploads/2020/01/curlgradanddivcurl.jpgCurlGradAndDivCurl2020-01-24T09:11:04+00:00monthlyhttps://thatsmaths.com/2020/01/09/grad-div-and-curl-on-weather-maps/https://thatsmaths.com/wp-content/uploads/2020/01/w3-vor-300hpa.jpgW3-Vor-300hPahttps://thatsmaths.com/wp-content/uploads/2020/01/w3-div-300hpa.jpgW3-Div-300hPahttps://thatsmaths.com/wp-content/uploads/2020/01/graddivcurl-vort.jpgGradDivCurl-Vorthttps://thatsmaths.com/wp-content/uploads/2020/01/graddivcurl-div.jpgGradDivCurl-Divhttps://thatsmaths.com/wp-content/uploads/2020/01/graddivcurl-vectwind.jpgGradDivCurl-VectWindhttps://thatsmaths.com/wp-content/uploads/2020/01/graddivcurl-gradp-2plot.jpgGradDivCurl-GradP-2plothttps://thatsmaths.com/wp-content/uploads/2020/01/graddivcurl-mslp.jpgGradDivCurl-MSLP2020-01-17T10:44:31+00:00monthlyhttps://thatsmaths.com/2020/01/16/the-extraordinary-talent-and-superior-genius-of-sophie-germain/2020-01-16T12:37:06+00:00monthlyhttps://thatsmaths.com/2020/01/02/the-knotty-problem-of-packing-dna/https://thatsmaths.com/wp-content/uploads/2020/01/dna-colour.jpgDNA-colourhttps://thatsmaths.com/wp-content/uploads/2019/12/dna-replication.pngDNA-Replicationhttps://thatsmaths.com/wp-content/uploads/2019/12/vsi-appl-math-36col.jpgVSI-Appl-Math-36colhttps://thatsmaths.com/wp-content/uploads/2019/12/dna-segment.pngDNA-Segment2020-01-02T20:19:11+00:00monthlyhttps://thatsmaths.com/2019/12/26/divergent-series-yield-valuable-results/https://thatsmaths.com/wp-content/uploads/2019/12/asymptotics-01.jpgAsymptotics-012019-12-26T09:53:29+00:00monthlyhttps://thatsmaths.com/2019/12/19/having-your-christmas-cake-and-eating-it/https://thatsmaths.com/wp-content/uploads/2019/12/christmas-cake.jpgChristmas-cake2019-12-19T09:22:54+00:00monthlyhttps://thatsmaths.com/2019/12/12/the-intermediate-axis-theorem/https://thatsmaths.com/wp-content/uploads/2019/12/dzhanibekov-00.jpgDzhanibekov-00https://thatsmaths.com/wp-content/uploads/2019/12/dzhanibekov-01.jpgDzhanibekov-01https://thatsmaths.com/wp-content/uploads/2019/12/benderorszag-rigidbody.jpgBenderOrszag-RigidBodyhttps://thatsmaths.com/wp-content/uploads/2019/12/simplependulum-phaseportrait-colour.jpgSimplePendulum-PhasePortrait-Colourhttps://thatsmaths.com/wp-content/uploads/2019/12/cell-phone-xyz.jpgCell-Phone-XYZhttps://thatsmaths.com/wp-content/uploads/2019/12/marsden-ratiu-cover.jpgMarsden-Ratiu-Cover2019-12-12T12:26:55+00:00monthlyhttps://thatsmaths.com/2019/12/05/a-new-mathematical-discovery-from-neutrino-physics/https://thatsmaths.com/wp-content/uploads/2019/12/neutrinos-updike.jpgNeutrinos-Updike2019-12-05T08:19:19+00:00monthlyhttps://thatsmaths.com/2019/11/28/archimedes-and-the-volume-of-a-sphere/https://thatsmaths.com/wp-content/uploads/2019/11/archimedes-tomb-syracuse-lores.jpgArchimedes-Tomb-Syracuse-LoReshttps://thatsmaths.com/wp-content/uploads/2019/11/cube-pyramids-61.jpgCube-Pyramids-6+1https://thatsmaths.com/wp-content/uploads/2019/11/sphconcyl-22.jpgSphConCyl-22https://thatsmaths.com/wp-content/uploads/2019/11/sphconcyl-5.jpgSphConCyl-52019-11-28T10:28:30+00:00monthlyhttps://thatsmaths.com/2019/11/14/elliptic-trigonometry-fun-with-sun-cun-and-dun/https://thatsmaths.com/wp-content/uploads/2019/11/jacobi-suncud.jpgJacobi-SunCudhttps://thatsmaths.com/wp-content/uploads/2019/11/jacobi-suncundun.jpgJacobi-SunCunDunhttps://thatsmaths.com/wp-content/uploads/2019/11/jacobi-ellipse.jpgJacobi-Ellipsehttps://thatsmaths.com/wp-content/uploads/2019/11/jacobi-circle.jpgJacobi-Circle2019-11-21T08:18:08+00:00monthlyhttps://thatsmaths.com/2019/11/21/airport-baggage-screening-with-x-ray-tomography/https://thatsmaths.com/wp-content/uploads/2019/11/radon-transform-book.jpgRadon-Transform-Bookhttps://thatsmaths.com/wp-content/uploads/2019/11/baggage-xray.jpgBaggage-Xray2019-11-21T08:17:22+00:00monthlyhttps://thatsmaths.com/2019/11/07/the-vastness-of-mathematics-no-one-knows-it-all/https://thatsmaths.com/wp-content/uploads/2019/11/pcm-pcam-covers.jpgPCM-PCAM-Covers2019-11-07T08:15:18+00:00monthlyhttps://thatsmaths.com/2019/10/31/an-attractive-spinning-toy-the-phi-top/https://thatsmaths.com/wp-content/uploads/2019/10/phitop-freezeframe.jpgPhiTop-FreezeFramehttps://thatsmaths.com/wp-content/uploads/2019/10/phitop-1.jpgPhiTop-1https://thatsmaths.com/wp-content/uploads/2019/10/spinning-tops-4.jpgSpinning-Tops-42019-10-31T09:02:59+00:00monthlyhttps://thatsmaths.com/2019/10/24/some-fundamental-theorems-of-maths/https://thatsmaths.com/wp-content/uploads/2019/10/pythagoras-thales.jpgPythagoras-Thales2019-10-24T17:33:41+00:00monthlyhttps://thatsmaths.com/2019/10/17/maths-and-poetry-beauty-is-the-link/https://thatsmaths.com/wp-content/uploads/2019/10/edna-stv-millaypoem.jpgEdna-StV-Millay+Poemhttps://thatsmaths.com/wp-content/uploads/2019/10/hamilton-stamp.jpgHamilton-Stamp2019-10-17T06:52:38+00:00monthlyhttps://thatsmaths.com/2019/10/10/the-wonders-of-complex-analysis/https://thatsmaths.com/wp-content/uploads/2019/10/laurent-annulus.jpgLaurent-Annulushttps://thatsmaths.com/wp-content/uploads/2019/10/augustinlouis-cauchy.jpgAugustinLouis-Cauchy2019-10-10T08:19:26+00:00monthlyhttps://thatsmaths.com/2019/10/03/emergence-of-complex-behaviour-from-simple-roots/https://thatsmaths.com/wp-content/uploads/2019/10/800px-mandel_zoom_05_tail_part.jpg800px-Mandel_zoom_05_tail_parthttps://thatsmaths.com/wp-content/uploads/2019/10/flocking-starlings-cyrilbyrne.jpgFlocking-Starlings-CyrilByrne2019-10-03T07:33:54+00:00monthlyhttps://thatsmaths.com/2019/09/26/zeroing-in-on-zeros/https://thatsmaths.com/wp-content/uploads/2019/09/newton-raphson-fractal.jpgNewton-Raphson-Fractalhttps://thatsmaths.com/wp-content/uploads/2019/09/newton-raphson-01.jpgNewton-Raphson-01https://thatsmaths.com/wp-content/uploads/2019/09/newton-raphson-00.jpgNewton-Raphson-002019-09-27T07:55:11+00:00monthlyhttps://thatsmaths.com/2019/09/19/george-salmon-mathematician-theologian/https://thatsmaths.com/wp-content/uploads/2019/09/trinity-college-campanile.jpgTrinity-College-Campanilehttps://thatsmaths.com/wp-content/uploads/2019/09/george-salmon-sarah-purser.jpgGeorge-Salmon-Sarah-Purserhttps://thatsmaths.com/wp-content/uploads/2019/09/george-salmon.jpgGeorge-Salmon2019-09-19T08:08:24+00:00monthlyhttps://thatsmaths.com/2019/09/12/spiraling-primes/https://thatsmaths.com/wp-content/uploads/2019/09/sacksspiral100k.jpgSacksSpiral100khttps://thatsmaths.com/wp-content/uploads/2019/09/sacksspiralomega.jpgSacksSpiralOmegahttps://thatsmaths.com/wp-content/uploads/2019/09/sacksspiral41.jpgSacksSpiral41https://thatsmaths.com/wp-content/uploads/2019/09/sacksspiral-2-panel.jpgSacksSpiral-2-Panelhttps://thatsmaths.com/wp-content/uploads/2019/09/ulam-spiral-2-panel.jpgUlam-Spiral-2-Panel2019-09-12T06:50:19+00:00monthlyhttps://thatsmaths.com/2019/09/05/an-english-lady-with-a-certain-taste/https://thatsmaths.com/wp-content/uploads/2019/09/ladytastingtea-davidsalsburg.jpgLadyTastingTea-DavidSalsburghttps://thatsmaths.com/wp-content/uploads/2019/09/ronald-fisher-1913.jpgRonald-Fisher-19132019-09-05T14:52:50+00:00monthlyhttps://thatsmaths.com/2019/08/29/topldice-is-markovian/https://thatsmaths.com/wp-content/uploads/2019/08/aa-markov.jpgAA-Markov2019-08-29T19:12:24+00:00monthlyhttps://thatsmaths.com/2019/08/22/the-surprising-behaviour-of-the-wilberforce-spring/https://thatsmaths.com/wp-content/uploads/2019/08/wilbersolution.jpgWilberSolutionhttps://thatsmaths.com/wp-content/uploads/2019/08/beatingsinewaves.jpgBeatingSineWaveshttps://thatsmaths.com/wp-content/uploads/2019/08/wilberforce-spring.jpgWilberforce-Spring2019-08-23T10:09:47+00:00monthlyhttps://thatsmaths.com/2019/08/15/the-brief-and-tragic-life-of-evariste-galois/https://thatsmaths.com/wp-content/uploads/2019/08/galois-stamp.jpgGalois-Stamp2019-08-15T08:01:01+00:00monthlyhttps://thatsmaths.com/2019/08/08/stokess-200th-birthday-anniversary/https://thatsmaths.com/wp-content/uploads/2019/08/fluorescent-fish.jpgFluorescent-Fishhttps://thatsmaths.com/wp-content/uploads/2019/08/lucasian-professors.jpgLucasian-Professorshttps://thatsmaths.com/wp-content/uploads/2019/08/stokes-mpp-titlepage.jpgStokes-MPP-TitlePagehttps://thatsmaths.com/wp-content/uploads/2019/08/oup-stokes-cover.jpgOUP-Stokes-Coverhttps://thatsmaths.com/wp-content/uploads/2019/08/fig-8-3-rs-stokes-portrait-detail.jpgFig-8-3-RS-Stokes-Portrait-DETAILhttps://thatsmaths.com/wp-content/uploads/2019/08/ggstokes.jpgGgstokeshttps://thatsmaths.com/wp-content/uploads/2019/08/navier-stokes-equations.jpgNavier-Stokes-Equations2019-08-08T21:50:23+00:00monthlyhttps://thatsmaths.com/2019/07/18/learning-maths-without-even-trying/https://thatsmaths.com/wp-content/uploads/2019/07/ar-sandbox-ucla.jpgAR-Sandbox-UCLAhttps://thatsmaths.com/wp-content/uploads/2019/07/pythagoras-pants-1.jpgPythagoras-Pantshttps://thatsmaths.com/wp-content/uploads/2019/07/pythagoras-pants.jpgPythagoras-Pantshttps://thatsmaths.com/wp-content/uploads/2019/07/steinhaus-p241ba-1.jpgSteinhaus-P241BAhttps://thatsmaths.com/wp-content/uploads/2019/07/explorium-banner.jpgExplorium-Banner2019-08-01T07:31:02+00:00monthlyhttps://thatsmaths.com/2019/08/01/algorithms-recipes-for-success/https://thatsmaths.com/wp-content/uploads/2019/07/al-khwarizmi-detail.jpgAl-Khwarizmi-detail2019-08-01T07:28:50+00:00monthlyhttps://thatsmaths.com/2019/07/25/billiards-ballyards/https://thatsmaths.com/wp-content/uploads/2019/07/potentialenergy-06-32.jpgPotentialEnergy-06-32https://thatsmaths.com/wp-content/uploads/2019/07/eb-boxlooporbits.jpgEB-BoxLoopOrbitshttps://thatsmaths.com/wp-content/uploads/2019/07/ellipticcoordinates.jpgEllipticCoordinateshttps://thatsmaths.com/wp-content/uploads/2019/07/ebilliards-boxandlooporbits-1.jpgEBilliards-BoxAndLoopOrbitshttps://thatsmaths.com/wp-content/uploads/2019/07/elliptical-tray.jpgSAMSUNGSAMSUNG2019-07-25T18:00:04+00:00monthlyhttps://thatsmaths.com/2019/07/11/boxes-and-loops/https://thatsmaths.com/wp-content/uploads/2019/07/ebilliards-boxandlooporbits.jpgEBilliards-BoxAndLoopOrbitshttps://thatsmaths.com/wp-content/uploads/2019/07/steinhaus-p241ba.jpgSteinhaus-P241BAhttps://thatsmaths.com/wp-content/uploads/2019/07/bandt-boxandlooporbits.jpgBandT-BoxAndLoopOrbitshttps://thatsmaths.com/wp-content/uploads/2019/07/simplependulum-phaseportrait-colour.jpgSimplePendulum-PhasePortrait-Colour2019-07-11T11:47:24+00:00monthlyhttps://thatsmaths.com/2019/07/04/what-did-the-romans-ever-do-for-maths/https://thatsmaths.com/wp-content/uploads/2019/07/archimedes-slain.jpgArchimedes-Slainhttps://thatsmaths.com/wp-content/uploads/2019/07/boethius-teaching-1.jpgBoethius-Teachinghttps://thatsmaths.com/wp-content/uploads/2019/07/boethius-teaching.jpgBoethius-Teachinghttps://thatsmaths.com/wp-content/uploads/2019/07/roman-aquaduct-segovia.jpgRoman-Aquaduct-Segovia2019-07-04T07:18:39+00:00monthlyhttps://thatsmaths.com/2019/06/27/cumbersome-calculations-in-ancient-rome/https://thatsmaths.com/wp-content/uploads/2019/06/roman-abacus-c1ad.jpgRoman-Abacus-C1ADhttps://thatsmaths.com/wp-content/uploads/2019/06/roman-multiplication.jpgRoman-Multiplicationhttps://thatsmaths.com/wp-content/uploads/2019/06/roman-numeral-letters.jpgRoman-Numeral-Lettershttps://thatsmaths.com/wp-content/uploads/2019/06/arithmetica-woodcut.jpgArithmetica-Woodcut2019-06-27T23:17:02+00:00monthlyhttps://thatsmaths.com/2019/06/20/simple-curves-that-perplex-mathematicians-and-inspire-artists/https://thatsmaths.com/wp-content/uploads/2019/06/botticelli-venus-two.jpgBotticelli-Venus-Twohttps://thatsmaths.com/wp-content/uploads/2019/06/robertbosch-embrace.jpgRobertBosch-Embracehttps://thatsmaths.com/wp-content/uploads/2019/06/michaelangelo-robertbosch-hands.jpgMichaelangelo-RobertBosch-Hands2019-06-20T11:05:57+00:00monthlyhttps://thatsmaths.com/2019/06/13/bernard-bolzano-a-voice-crying-in-the-wilderness/https://thatsmaths.com/wp-content/uploads/2019/06/bernard-bolzano.jpgBernard-Bolzano2019-06-13T16:18:13+00:00monthlyhttps://thatsmaths.com/2017/10/12/pedro-nunes-and-solar-retrogression/https://thatsmaths.com/wp-content/uploads/2017/10/pedronunes-morningarc.jpgPedroNunes-Morningarchttps://thatsmaths.com/wp-content/uploads/2017/10/pedronunes-postage-stamp.jpgPedroNunes-Postage-Stamp2019-06-12T17:55:14+00:00monthlyhttps://thatsmaths.com/2019/06/06/spin-off-effects-of-the-turning-earth/https://thatsmaths.com/wp-content/uploads/2019/06/geostrophic-balance.jpgGeostrophic-Balancehttps://thatsmaths.com/wp-content/uploads/2019/06/g-g-coriolis.jpgG-G-Coriolis2019-06-06T07:14:30+00:00monthlyhttps://thatsmaths.com/2019/05/30/symplectic-geometry/https://thatsmaths.com/wp-content/uploads/2019/05/arnold-poincare-invariants.jpgArnold-Poincare-Invariantshttps://thatsmaths.com/wp-content/uploads/2019/05/hamilton-pria.jpgHamilton-PRIAhttps://thatsmaths.com/wp-content/uploads/2019/05/bernhard-riemann-2.jpgBernhard-Riemann-2https://thatsmaths.com/wp-content/uploads/2019/05/albert-einstein.jpgAlbert-Einstein2019-05-30T07:39:20+00:00monthlyhttps://thatsmaths.com/2019/05/23/chase-and-escape-pursuit-problems/https://thatsmaths.com/wp-content/uploads/2019/05/n-bugs-36.jpgN-Bugs-36https://thatsmaths.com/wp-content/uploads/2019/05/n-bugs-2.jpgN-Bugs-2https://thatsmaths.com/wp-content/uploads/2019/05/n-bugs-3.jpgN-Bugs-3https://thatsmaths.com/wp-content/uploads/2019/05/n-bugs-1.jpgN-Bugs-1https://thatsmaths.com/wp-content/uploads/2019/05/jolly-roger.jpgJolly-Roger2019-05-23T07:15:08+00:00monthlyhttps://thatsmaths.com/2019/05/16/the-rise-and-rise-of-women-in-mathematics/https://thatsmaths.com/wp-content/uploads/2019/05/karenuhlenbeck.jpgKarenUhlenbeckhttps://thatsmaths.com/wp-content/uploads/2019/05/maryam-mirzakhani.jpgMaryam-Mirzakhanihttps://thatsmaths.com/wp-content/uploads/2019/05/sonya-kovalevskaya.jpgSonya-Kovalevskaya2019-05-16T07:25:58+00:00monthlyhttps://thatsmaths.com/2019/05/09/bouncing-billiard-balls-produce-pi/https://thatsmaths.com/wp-content/uploads/2019/05/billiards-and-pi-3b1b.jpgBilliards-and-Pi-3B1Bhttps://thatsmaths.com/wp-content/uploads/2019/05/archimedes-polygons.jpgArchimedes-Polygonshttps://thatsmaths.com/wp-content/uploads/2019/05/billiards-and-pi.jpgBilliards-and-Pi2019-05-09T21:14:16+00:00monthlyhttps://thatsmaths.com/2019/05/02/keplers-vanishing-circles-hidden-in-hamiltons-hodograph/https://thatsmaths.com/wp-content/uploads/2019/04/hodograph-tandc.jpgHodograph-TandChttps://thatsmaths.com/wp-content/uploads/2019/04/hodograph-ab.jpgHodograph-AB2019-05-02T07:35:48+00:00monthlyhttps://thatsmaths.com/2019/04/25/k3-implies-the-inverse-square-law/https://thatsmaths.com/wp-content/uploads/2019/04/kepler-ddr-stamp-1971.jpgKepler-DDR-Stamp-1971https://thatsmaths.com/wp-content/uploads/2019/04/feynmanlectureellipse2.jpgFeynmanLectureEllipse2https://thatsmaths.com/wp-content/uploads/2019/04/feynmanlectureellipse1.jpgFeynmanLectureEllipse12019-04-25T18:44:51+00:00monthlyhttps://thatsmaths.com/2019/04/18/closing-the-gap-between-prime-numbers/https://thatsmaths.com/wp-content/uploads/2019/04/yitang-zhang-colour.jpgYitang-Zhang-Colour2019-04-18T07:27:29+00:00monthlyhttps://thatsmaths.com/2019/04/11/massive-collaboration-in-maths-the-polymath-project/https://thatsmaths.com/wp-content/uploads/2019/04/timothy-gowers-2012-half.jpgTimothy-Gowers-2012-Half2019-04-11T20:52:19+00:00monthlyhttps://thatsmaths.com/2019/04/04/a-pioneer-of-climate-modelling-and-prediction/https://thatsmaths.com/wp-content/uploads/2019/04/norman-phillips-2004.jpgNorman-Phillips-2004https://thatsmaths.com/wp-content/uploads/2019/04/phillips1956-climatesimulation-2.jpgPhillips1956-ClimateSimulation-2https://thatsmaths.com/wp-content/uploads/2019/04/norman-phillips.jpgNorman-Phillips2019-04-04T08:35:47+00:00monthlyhttps://thatsmaths.com/2019/03/28/a-chirping-elliptic-rocker/https://thatsmaths.com/wp-content/uploads/2019/03/simplependulum-phaseportrait-colour.jpgSimplePendulum-PhasePortrait-Colourhttps://thatsmaths.com/wp-content/uploads/2019/03/rre-arclength.jpgRRE-arclengthhttps://thatsmaths.com/wp-content/uploads/2019/03/rocking-rolling-ellipse.jpgRocking-Rolling-Ellipsehttps://thatsmaths.com/wp-content/uploads/2019/03/rocking-bowl.jpgRocking-Bowl2019-03-28T16:48:33+00:00monthlyhttps://thatsmaths.com/2019/03/21/joseph-fourier-and-the-greenhouse-effect/https://thatsmaths.com/wp-content/uploads/2019/03/heat-equation.jpgHeat-Equationhttps://thatsmaths.com/wp-content/uploads/2019/03/solar-terr-radiation.jpgSolar-Terr-Radiationhttps://thatsmaths.com/wp-content/uploads/2019/03/john-tyndall.jpgJohn-Tyndallhttps://thatsmaths.com/wp-content/uploads/2019/03/greenhouseeffect.jpgGreenhouseEffecthttps://thatsmaths.com/wp-content/uploads/2019/03/fourier-2.jpegFourier-22019-03-21T09:02:47+00:00monthlyhttps://thatsmaths.com/2019/03/14/the-kill-zone-how-to-stay-beyond-a-snipers-range/https://thatsmaths.com/wp-content/uploads/2019/03/sniper-killzone-2.jpgSniper-Killzone-2https://thatsmaths.com/wp-content/uploads/2019/03/sniper-killzone-1.jpgSniper-Killzone-12019-03-15T20:46:49+00:00monthlyhttps://thatsmaths.com/2019/03/07/hokusais-great-wave-and-roguish-behaviour/2019-03-07T14:03:54+00:00monthlyhttps://thatsmaths.com/2019/02/28/dont-be-phased-by-waveform-distortions/2019-02-28T08:20:14+00:00monthlyhttps://thatsmaths.com/2019/02/21/multiple-discoveries-of-the-thue-morse-sequence/2019-02-21T07:42:14+00:00monthlyhttps://thatsmaths.com/2019/02/14/folding-maps-a-simple-but-unsolved-problem/2019-02-15T21:59:40+00:00monthlyhttps://thatsmaths.com/2019/02/07/rambling-and-reckoning/2019-02-07T08:27:18+00:00monthlyhttps://thatsmaths.com/2019/01/31/our-dearest-problems/2019-02-03T22:15:13+00:00monthlyhttps://thatsmaths.com/2019/01/24/from-a-wake-width-to-the-wide-world/2019-01-31T11:10:17+00:00monthlyhttps://thatsmaths.com/2019/01/17/discoveries-by-amateurs-and-distractions-by-cranks/https://thatsmaths.com/wp-content/uploads/2019/01/squarecircle-heisel.jpgsquarecircle-heiselhttps://thatsmaths.com/wp-content/uploads/2019/01/fermat-ramanujan.jpgfermat-ramanujan2019-01-17T08:41:52+00:00monthlyhttps://thatsmaths.com/2019/01/10/really-0-999999-is-equal-to-1-surreally-this-is-not-so/https://thatsmaths.com/wp-content/uploads/2019/01/999999.jpg9999992019-01-11T22:26:14+00:00monthlyhttps://thatsmaths.com/2019/01/03/trappist-1-the-age-of-aquarius/https://thatsmaths.com/wp-content/uploads/2019/01/Trappist-1-2.jpgComparing the TRAPPIST-1 planetsA size comparison of the planets of the TRAPPIST-1 system, lined up in order of increasing distance from their host star. The planetary surfaces are portrayed with an artist’s impression of their potential surface features, including water, ice, and atmospheres.https://thatsmaths.com/wp-content/uploads/2019/01/Trappist-1-1.jpg1_bhttps://thatsmaths.com/wp-content/uploads/2019/01/Trappist-1-0.jpgArtist’s impressions of the TRAPPIST-1 planetary systemThis artist’s impression compares the seven planets orbiting the ultra-cool red dwarf star TRAPPIST-1 to the Earth at the same scale. New observations, when combined with very sophisticated analysis, have now yielded good estimates of the densities of all seven of the Earth-sized planets and suggest that they are rich in volatile materials, probably water. They are shown to the same scale but not in the correct relative positions.2019-01-03T11:39:42+00:00monthlyhttps://thatsmaths.com/2018/12/27/gaussian-curvature-the-theorema-egregium/https://thatsmaths.com/wp-content/uploads/2018/12/GaussCurvature-1.jpgGaussCurvature-1https://thatsmaths.com/wp-content/uploads/2018/12/ShapeOfUniverse.jpgShapeOfUniverse2018-12-27T18:12:36+00:00monthlyhttps://thatsmaths.com/2018/12/20/consider-a-spherical-christmas-tree/https://thatsmaths.com/wp-content/uploads/2018/12/ChristmasTreeLights.jpgChristmasTreeLightshttps://thatsmaths.com/wp-content/uploads/2018/12/Spherical-Cow.jpgSpherical-Cowhttps://thatsmaths.com/wp-content/uploads/2018/12/Platonic-Solids-5.pngPlatonic-Solids-52018-12-20T09:15:13+00:00monthlyhttps://thatsmaths.com/2018/12/13/the-3-2-resonance-between-neptune-and-pluto/https://thatsmaths.com/wp-content/uploads/2018/12/Nep-Plu-Orbits-B.jpgNep-Plu-Orbits-Bhttps://thatsmaths.com/wp-content/uploads/2018/12/Nep-Plu-Orbits-A.jpgNep-Plu-Orbits-Ahttps://thatsmaths.com/wp-content/uploads/2018/12/Nep-Plu-Orbits-AB.jpgNep-Plu-Orbits-AB2018-12-13T13:37:21+00:00monthlyhttps://thatsmaths.com/2018/12/06/random-numbers-plucked-from-the-atmosphere/https://thatsmaths.com/wp-content/uploads/2018/12/diceroll-60dice.jpgDiceRoll-60dicehttps://thatsmaths.com/wp-content/uploads/2018/12/lightning-01.jpgLightning-012018-12-06T09:13:00+00:00monthlyhttps://thatsmaths.com/2018/11/29/the-two-envelopes-fallacy/https://thatsmaths.com/wp-content/uploads/2018/11/two-envelopes.jpgTwo-Envelopes2018-11-29T09:31:59+00:00monthlyhttps://thatsmaths.com/2018/11/22/ringing-teacups-and-gravitational-waves/https://thatsmaths.com/wp-content/uploads/2018/11/gw-two-mugs.jpgGW-Two-Mugshttps://thatsmaths.com/wp-content/uploads/2018/11/gw-plus-mode.jpgGW-Plus-Modehttps://thatsmaths.com/wp-content/uploads/2018/11/gw-plus-cross-modes.jpgGW-Plus-Cross-Modeshttps://thatsmaths.com/wp-content/uploads/2018/11/gw-warning-sign.jpgGW-Warning-Sign2018-11-22T08:21:04+00:00monthlyhttps://thatsmaths.com/2018/11/15/the-napoleon-of-crime-and-the-laws-of-thought/https://thatsmaths.com/wp-content/uploads/2018/11/sherlock-sillouette.jpgSherlock-Sillouettehttps://thatsmaths.com/wp-content/uploads/2018/11/newlightongboole.jpgNewLightOnGBoolehttps://thatsmaths.com/wp-content/uploads/2018/11/boole-moriarty-2.jpgBoole-Moriarty-22018-11-15T08:45:54+00:00monthlyhttps://thatsmaths.com/2018/11/08/listing-the-rational-numbers-iii-the-calkin-wilf-tree/https://thatsmaths.com/wp-content/uploads/2018/11/sbcw-trees.jpgSBCW-Treeshttps://thatsmaths.com/wp-content/uploads/2018/11/cw-and-kt-elements.jpgCW-and-KT-Elementshttps://thatsmaths.com/wp-content/uploads/2018/11/kepler-tree-combo.jpgKepler-Tree-Combohttps://thatsmaths.com/wp-content/uploads/2018/11/calkin-wilf-tree.jpgCalkin-Wilf-Tree2018-11-08T08:31:33+00:00monthlyhttps://thatsmaths.com/2018/11/01/johannes-kepler-and-the-song-of-the-earth/https://thatsmaths.com/wp-content/uploads/2018/11/solar-system-inner.jpgSolar-System-Innerhttps://thatsmaths.com/wp-content/uploads/2018/10/kepler-harmun-cover.jpgKepler-HarMun-Coverhttps://thatsmaths.com/wp-content/uploads/2018/10/kepler-ddr-stamp-1971.jpgKepler-DDR-Stamp-1971https://thatsmaths.com/wp-content/uploads/2018/10/kepler-harmun-planet-tunes.jpgKepler-HarMun-Planet-Tunes2018-11-01T08:17:54+00:00monthlyhttps://thatsmaths.com/2018/10/25/saving-daylight-with-hip-hop-time-a-modest-proposal/https://thatsmaths.com/wp-content/uploads/2018/10/hiphop-time.jpgHiphop-Timehttps://thatsmaths.com/wp-content/uploads/2018/10/hiphop-time-banner.jpgHiphop-Time-Banner2018-10-25T08:04:00+00:00monthlyhttps://thatsmaths.com/2018/10/18/who-uses-maths-almost-everyone/https://thatsmaths.com/wp-content/uploads/2018/10/weusemaths-sidebar.jpgWeUseMaths-Sidebarhttps://thatsmaths.com/wp-content/uploads/2018/10/weusemaths-banner.jpgWeUseMaths-Banner2018-10-18T09:53:33+00:00monthlyhttps://thatsmaths.com/2018/10/11/listing-the-rational-numbers-ii-the-stern-brocot-tree/https://thatsmaths.com/wp-content/uploads/2018/10/mediant-red.jpgMediant-redhttps://thatsmaths.com/wp-content/uploads/2018/10/stern-brocot-tree.jpgStern-Brocot-Tree2018-10-11T09:36:55+00:00monthlyhttps://thatsmaths.com/2018/10/04/the-many-modern-uses-of-quaternions/https://thatsmaths.com/wp-content/uploads/2018/10/quaternion-toothbrush.jpgQuaternion-Toothbrushhttps://thatsmaths.com/wp-content/uploads/2018/10/gimbal-lock-apollo-13.jpgGimbal-Lock-Apollo-13https://thatsmaths.com/wp-content/uploads/2018/10/hamiltons-bridge-plaque.jpgHamiltons-Bridge-Plaque2018-10-09T21:17:06+00:00monthlyhttps://thatsmaths.com/2018/09/27/listing-the-rational-numbers-i-farey-sequences/https://thatsmaths.com/wp-content/uploads/2018/09/rational-numbers-small.jpgRational-Numbers-Small2018-09-27T07:25:42+00:00monthlyhttps://thatsmaths.com/2018/09/20/tom-lehrer-comical-musical-mathematical-genius/https://thatsmaths.com/wp-content/uploads/2018/09/tomlehrer-1960.jpgTomLehrer-1960https://thatsmaths.com/wp-content/uploads/2018/09/tomlehrer-theorem.jpgTomLehrer-Theoremhttps://thatsmaths.com/wp-content/uploads/2018/09/tomlehrer-songbook.jpgTomLehrer-SongBook2018-09-20T17:39:54+00:00monthlyhttps://thatsmaths.com/2018/09/13/a-trapezoidal-prism-on-the-serpentine/https://thatsmaths.com/wp-content/uploads/2018/09/christo-mastaba-02.jpgChristo-Mastaba-02https://thatsmaths.com/wp-content/uploads/2018/09/christo-mastaba-01.jpgChristo-Mastaba-01https://thatsmaths.com/wp-content/uploads/2018/09/christo-mastaba-00.jpgChristo-Mastaba-002018-09-13T10:59:17+00:00monthlyhttps://thatsmaths.com/2018/09/06/face-recognition/https://thatsmaths.com/wp-content/uploads/2018/09/openface-system.jpgOpenFace-Systemhttps://thatsmaths.com/wp-content/uploads/2018/09/face-detection.jpgFace-Detection2018-09-06T09:34:33+00:00monthlyhttps://thatsmaths.com/2018/08/30/a-zero-order-front/https://thatsmaths.com/wp-content/uploads/2018/08/front-life-cycle.jpgFront-Life-Cyclehttps://thatsmaths.com/wp-content/uploads/2018/08/doswell-fcst.jpgDoswell-Fcsthttps://thatsmaths.com/wp-content/uploads/2018/08/doswell-init.jpgDoswell-Inithttps://thatsmaths.com/wp-content/uploads/2018/08/cyclone-life-cycle.jpgCyclone-Life-Cyclehttps://thatsmaths.com/wp-content/uploads/2018/08/dostemp18.jpgDosTemp182018-08-30T16:25:18+00:00monthlyhttps://thatsmaths.com/2018/08/23/the-flight-of-the-bumble-bee/https://thatsmaths.com/wp-content/uploads/2018/08/vonneumann-john.jpgVonNeumann-Johnhttps://thatsmaths.com/wp-content/uploads/2018/08/flight-of-bumblebee-sketch.jpgFlight-of-BumbleBee-Sketchhttps://thatsmaths.com/wp-content/uploads/2018/08/flight-of-bumblebee-music.jpgFlight-of-BumbleBee-Music2018-08-23T07:24:49+00:00monthlyhttps://thatsmaths.com/2018/08/16/the-miraculous-spiral-on-booterstown-strand/https://thatsmaths.com/wp-content/uploads/2018/08/coldfront-galaxy.jpgColdFront-Galaxyhttps://thatsmaths.com/wp-content/uploads/2018/08/nautulus-sunflower.jpgNautulus-Sunflowerhttps://thatsmaths.com/wp-content/uploads/2018/08/terra-nova-bootertown-c.jpgTerra-Nova-Bootertown-C2018-08-16T07:35:17+00:00monthlyhttps://thatsmaths.com/about/https://thatsmaths.com/wp-content/uploads/2012/01/fifi0.jpgFifi2018-08-11T14:14:59+00:00weekly0.6https://thatsmaths.com/2018/08/02/tides-a-tug-of-war-between-earth-moon-and-sun/https://thatsmaths.com/wp-content/uploads/2018/07/tides-noaa.jpgTides-NOAAhttps://thatsmaths.com/wp-content/uploads/2018/07/kelvins-tide-machine.jpgKelvins-tide-machinehttps://thatsmaths.com/wp-content/uploads/2018/07/tideprediction-newyork-kurilislands.jpgTidePrediction-NewYork-KurilIslands2018-08-02T07:15:56+00:00monthlyhttps://thatsmaths.com/2018/06/28/numbers-with-nines/https://thatsmaths.com/wp-content/uploads/2018/06/numberswithnines.jpgNumbersWithNines2018-07-28T08:17:22+00:00monthlyhttps://thatsmaths.com/2018/07/26/grandis-series-a-second-look/2018-07-26T08:53:08+00:00monthlyhttps://thatsmaths.com/2018/07/19/the-empty-set-is-nothing-to-worry-about/https://thatsmaths.com/wp-content/uploads/2018/07/piet-hein.jpgPiet-Heinhttps://thatsmaths.com/wp-content/uploads/2018/07/empty-set-1.jpgEmpty-Set-1https://thatsmaths.com/wp-content/uploads/2018/07/zero-images.jpgZero-Images2018-07-19T10:01:46+00:00monthlyhttps://thatsmaths.com/2018/07/12/grandis-series-divergent-but-summable/https://thatsmaths.com/wp-content/uploads/2018/07/grandi-guido.jpgGrandi-Guidohttps://thatsmaths.com/wp-content/uploads/2018/07/grandis-series.jpgGrandis-Series2018-07-12T08:04:41+00:00monthlyhttps://thatsmaths.com/2018/07/05/trigonometric-comfort-blankets-on-hilltops/https://thatsmaths.com/wp-content/uploads/2018/07/theodolite-2.jpgTheodolite-2https://thatsmaths.com/wp-content/uploads/2018/07/theodolite-1.jpgTheodolite-1https://thatsmaths.com/wp-content/uploads/2018/07/loughfoylebaseline.jpgLoughFoyleBaselinehttps://thatsmaths.com/wp-content/uploads/2018/07/trigpillar-croaghanmoire.jpgTrigPillar-CroaghanMoirehttps://thatsmaths.com/wp-content/uploads/2018/07/irelandprimarytriangulation.jpgIrelandPrimaryTriangulationhttps://thatsmaths.com/wp-content/uploads/2018/07/keadeen-trigpillar.jpgKeadeen-TrigPillar2018-07-05T18:51:11+00:00monthlyhttps://thatsmaths.com/2018/06/21/optical-refinements-at-the-parthenon/https://thatsmaths.com/wp-content/uploads/2018/06/acropolis-plan-1.jpgAcropolis-Plan-1https://thatsmaths.com/wp-content/uploads/2018/06/elgin-marbles-frise-west-ii-2.jpgElgin-Marbles-Frise-West-II-2https://thatsmaths.com/wp-content/uploads/2018/06/parthenon-photo.jpgParthenon-Photo2018-06-21T08:04:09+00:00monthlyhttps://thatsmaths.com/2018/06/14/dividends-and-divisors-ever-diminishing/https://thatsmaths.com/wp-content/uploads/2018/06/ernst-zermelo.jpgErnst-Zermeloportrait de Ernst Zermelo (1871-1953), mathŽmaticien et logicien allemand. ©MP/Leemage AA095891 dbdocumenti 197 297 300 2323 3504 Scala di grigio https://thatsmaths.com/wp-content/uploads/2018/06/joyce-in-zurich.jpgJoyce-in-Zurich2018-06-14T07:40:40+00:00monthlyhttps://thatsmaths.com/2018/06/07/leopold-blooms-arithmetical-adventures/https://thatsmaths.com/wp-content/uploads/2018/06/joyces-tower.jpgJoyces-Towerhttps://thatsmaths.com/wp-content/uploads/2018/06/joyce-examination-marks.jpgJoyce-Examination-Marks2018-06-07T07:20:35+00:00monthlyhttps://thatsmaths.com/2018/05/31/motifs-the-molecules-of-music/https://thatsmaths.com/wp-content/uploads/2018/05/motif-rachmaninov.jpgMotif-Rachmaninovhttps://thatsmaths.com/wp-content/uploads/2018/05/motif-itsimpossible.jpgMotif-ItsImpossiblehttps://thatsmaths.com/wp-content/uploads/2018/05/motif-bach.jpgMotif-BACHhttps://thatsmaths.com/wp-content/uploads/2018/05/motif-onenotesamba.jpgMotif-OneNoteSambahttps://thatsmaths.com/wp-content/uploads/2018/05/twelve-tone-transformations.jpgTwelve-Tone-Transformationshttps://thatsmaths.com/wp-content/uploads/2018/05/klein-4-cayleytable.jpgKlein-4-CayleyTablehttps://thatsmaths.com/wp-content/uploads/2018/05/rri-cover-four-3d.jpgRRI-Cover-Four-3Dhttps://thatsmaths.com/wp-content/uploads/2018/05/motif-lvanb-5.jpgMotif-LvanB-52018-06-04T18:35:09+00:00monthlyhttps://thatsmaths.com/2018/05/24/a-glowing-geometric-proof-that-root-2-is-irrational/https://thatsmaths.com/wp-content/uploads/2018/05/tennenbaum-031.jpgTennenbaum-03https://thatsmaths.com/wp-content/uploads/2018/05/tennenbaum-03.jpgTennenbaum-03https://thatsmaths.com/wp-content/uploads/2018/05/tennenbaum-02.jpgTennenbaum-02https://thatsmaths.com/wp-content/uploads/2018/05/tennenbaum-01.jpgTennenbaum-01https://thatsmaths.com/wp-content/uploads/2018/05/tennenbaum-00.jpgTennenbaum-002018-05-25T07:30:58+00:00monthlyhttps://thatsmaths.com/2018/05/17/mathematics-at-the-science-museum/https://thatsmaths.com/wp-content/uploads/2018/05/turner-jmw.jpgTurner-JMWhttps://thatsmaths.com/wp-content/uploads/2018/05/winton-gallery-centrepiece.jpgWinton-Gallery-Centrepiecehttps://thatsmaths.com/wp-content/uploads/2018/05/hardinggallery.jpegHardingGallery2018-05-17T08:09:53+00:00monthlyhttps://thatsmaths.com/2018/05/10/mardens-marvel/https://thatsmaths.com/wp-content/uploads/2018/05/marden-polynomial.jpgMarden-Polynomialhttps://thatsmaths.com/wp-content/uploads/2018/05/mardenstheorem-01.jpgMardensTheorem-012018-05-10T16:20:49+00:00monthlyhttps://thatsmaths.com/2018/05/03/stan-ulam-a-mathematician-who-figured-how-to-initiate-fusion/https://thatsmaths.com/wp-content/uploads/2018/04/stan-ulam.jpgStan-Ulamhttps://thatsmaths.com/wp-content/uploads/2018/04/stan-ulam-sketch.jpgStan-Ulam-Sketchhttps://thatsmaths.com/wp-content/uploads/2018/04/thermonuclear-explosion.jpgThermonuclear-Explosion2018-05-03T07:41:08+00:00monthlyhttps://thatsmaths.com/2018/04/26/waves-packed-in-envelopes/https://thatsmaths.com/wp-content/uploads/2018/04/wpack5.jpgWPack5https://thatsmaths.com/wp-content/uploads/2018/04/wpack4.jpgWPack4https://thatsmaths.com/wp-content/uploads/2018/04/wpack3.jpgWPack3https://thatsmaths.com/wp-content/uploads/2018/04/gv1.jpggv1https://thatsmaths.com/wp-content/uploads/2018/04/hovmoeller-arrows.jpgHovmoeller-Arrows2018-04-27T08:22:54+00:00monthlyhttps://thatsmaths.com/2018/04/19/geodesics-on-the-spheroidal-earth-ii/https://thatsmaths.com/wp-content/uploads/2018/04/singapore-both2.jpgSingapore-Both2https://thatsmaths.com/wp-content/uploads/2018/04/singapore-quito-open.jpgSingapore-Quito-Openhttps://thatsmaths.com/wp-content/uploads/2018/04/sextant-angles.jpgSextant-Angles2018-04-19T20:48:30+00:00monthlyhttps://thatsmaths.com/2018/04/12/geodesics-on-the-spheroidal-earth-i/https://thatsmaths.com/wp-content/uploads/2018/04/singapore-quito-both.jpgSingapore-Quito-Bothhttps://thatsmaths.com/wp-content/uploads/2018/04/flatellipsoid.jpgFlatEllipsoid2018-04-12T09:39:44+00:00monthlyhttps://thatsmaths.com/2018/04/05/fouriers-wonderful-idea-ii/https://thatsmaths.com/wp-content/uploads/2018/04/fourier-3.jpgFourier-3https://thatsmaths.com/wp-content/uploads/2018/04/fourier-2.jpegFourier-22018-04-05T10:07:32+00:00monthlyhttps://thatsmaths.com/2018/03/29/fouriers-wonderful-idea-i/https://thatsmaths.com/wp-content/uploads/2018/03/fourier.jpgFourierhttps://thatsmaths.com/wp-content/uploads/2018/03/decaying-sine-wave.jpgDecaying-Sine-Wave2018-03-29T13:50:14+00:00monthlyhttps://thatsmaths.com/2018/03/22/sophus-lie/https://thatsmaths.com/wp-content/uploads/2018/03/lie-book-springer.jpgLie-Book-Springerhttps://thatsmaths.com/wp-content/uploads/2018/03/sophus-lie.jpgSophus-Lie2018-03-22T10:31:10+00:00monthlyhttps://thatsmaths.com/2018/03/15/cubic-skulduggery-intrigue/https://thatsmaths.com/wp-content/uploads/2018/03/targaglia-cardano.jpgTargaglia-Cardanohttps://thatsmaths.com/wp-content/uploads/2018/03/cardano-formula.jpgCardano-Formula2018-03-15T09:29:43+00:00monthlyhttps://thatsmaths.com/2018/03/08/subtract-0-and-divide-by-1/https://thatsmaths.com/wp-content/uploads/2018/03/lhopital-bernoulli.jpgLHopital-Bernoulli2018-03-08T10:35:47+00:00monthlyhttps://thatsmaths.com/2018/03/01/reducing-r-naught-to-stem-the-spread-of-epidemics/https://thatsmaths.com/wp-content/uploads/2018/02/r-nought-table.jpgR-nought-Tablehttps://thatsmaths.com/wp-content/uploads/2018/02/vaccine-1.jpgVaccine-1https://thatsmaths.com/wp-content/uploads/2018/02/awesums-x2and2x-b.jpgAweSums-x2and2x-B2018-03-01T11:07:06+00:00monthlyhttps://thatsmaths.com/2018/02/22/the-evolute-envelope-of-normals/https://thatsmaths.com/wp-content/uploads/2018/02/sinevolute.jpgSinEvolutehttps://thatsmaths.com/wp-content/uploads/2018/02/limaconnormals.jpglimaconnormalshttps://thatsmaths.com/wp-content/uploads/2018/02/ellipseevolute.jpgellipseevolutehttps://thatsmaths.com/wp-content/uploads/2018/02/ellipsenormals.jpgellipsenormalshttps://thatsmaths.com/wp-content/uploads/2018/02/parabolanormals.jpgparabolanormals2018-02-23T00:02:15+00:00monthlyhttps://thatsmaths.com/2018/02/01/staying-put-or-going-with-the-flow/https://thatsmaths.com/wp-content/uploads/2018/02/eullag1.jpgEulLaghttps://thatsmaths.com/wp-content/uploads/2018/02/eullag.jpgEulLaghttps://thatsmaths.com/wp-content/uploads/2018/01/ophelia-20171016-1200.jpgOphelia-20171016-1200https://thatsmaths.com/wp-content/uploads/2018/01/andre-robert.jpgAndre-Roberthttps://thatsmaths.com/wp-content/uploads/2018/01/musl-mwr-1982.jpgMUSL-MWR-19822018-02-22T18:30:00+00:00monthlyhttps://thatsmaths.com/2018/02/15/galileos-book-of-nature/https://thatsmaths.com/wp-content/uploads/2018/02/galilean-moons.jpgGalilean-Moonshttps://thatsmaths.com/wp-content/uploads/2018/02/galileo-galilei-small.jpgGalileo-Galilei-Smallhttps://thatsmaths.com/wp-content/uploads/2018/02/apollo15-hammerfeather.jpgApollo15-HammerFeather2018-02-15T09:04:28+00:00monthlyhttps://thatsmaths.com/2018/02/08/hardys-apology/https://thatsmaths.com/wp-content/uploads/2018/02/hardy-quotes.jpgHardy-Quoteshttps://thatsmaths.com/wp-content/uploads/2018/02/hardy.jpgHardyhttps://thatsmaths.com/wp-content/uploads/2018/02/hardy-mathapology.jpgHardy-MathApology2018-02-08T08:05:08+00:00monthlyhttps://thatsmaths.com/2018/01/25/kaprekars-number-6174/https://thatsmaths.com/wp-content/uploads/2018/01/kaprekarflowgraph495.jpgKaprekarFlowGraph4952018-01-25T11:03:49+00:00monthlyhttps://thatsmaths.com/2017/12/21/darker-mornings-brighter-evenings/https://thatsmaths.com/wp-content/uploads/2017/12/analemma-bronze-plaque.jpgAnalemma-Bronze-Plaquehttps://thatsmaths.com/wp-content/uploads/2017/12/sunrise-newgrange.jpgSunrise-Newgrange2018-01-18T09:11:44+00:00monthlyhttps://thatsmaths.com/2018/01/18/the-heart-of-mathematics/https://thatsmaths.com/wp-content/uploads/2018/01/cardiogram.jpgCardiogramhttps://thatsmaths.com/wp-content/uploads/2018/01/heart-diagram.jpgHeart-diagram2018-01-18T08:18:41+00:00monthlyhttps://thatsmaths.com/2018/01/11/moebiquity-ubiquity-and-versitility-of-the-mbius-band/https://thatsmaths.com/wp-content/uploads/2018/01/pp2mb.jpgPP2MBhttps://thatsmaths.com/wp-content/uploads/2018/01/funpoly-foldtorus.jpgFunPoly-FoldTorushttps://thatsmaths.com/wp-content/uploads/2018/01/collignon-projection.jpgCollignon-Projectionhttps://thatsmaths.com/wp-content/uploads/2018/01/funpoly-sixpix.jpgFunPoly-Sixpixhttps://thatsmaths.com/wp-content/uploads/2018/01/mobius-curved-flat.jpgMobius-Curved-Flat2018-01-11T08:17:18+00:00monthlyhttps://thatsmaths.com/2018/01/04/energy-cascades-in-van-goghs-starry-night/https://thatsmaths.com/wp-content/uploads/2018/01/starry-night-it.jpgStarry-Night-IThttps://thatsmaths.com/wp-content/uploads/2018/01/energy-spectrum-5over3.jpgEnergy-Spectrum-5over3https://thatsmaths.com/wp-content/uploads/2018/01/starry-night.jpgStarry-Night2018-01-04T18:01:15+00:00monthlyhttps://thatsmaths.com/2017/12/28/doughnuts-and-tonnetze/https://thatsmaths.com/wp-content/uploads/2017/12/tonnetz-numericalform1.jpgTonnetz-NumericalFormhttps://thatsmaths.com/wp-content/uploads/2017/12/tonnetz-torus.jpgTonnetz-Torushttps://thatsmaths.com/wp-content/uploads/2017/12/tonnetz-numericalform.jpgTonnetz-NumericalFormhttps://thatsmaths.com/wp-content/uploads/2017/12/tonnetz-localchorts-2.jpgTonnetz-LocalChorts-2https://thatsmaths.com/wp-content/uploads/2017/12/tonnetz-grid.jpgTonnetz-Gridhttps://thatsmaths.com/wp-content/uploads/2017/12/tonnetz-threerows.jpgTonnetz-ThreeRowshttps://thatsmaths.com/wp-content/uploads/2017/12/tonnetz-tworows.jpgTonnetz-TwoRowshttps://thatsmaths.com/wp-content/uploads/2017/12/tonnetz-circleoffifths.jpgTonnetz-CircleOfFifthshttps://thatsmaths.com/wp-content/uploads/2017/12/tonnetz-euler.jpgTonnetz-Eulerhttps://thatsmaths.com/wp-content/uploads/2017/12/circle-of-fifths.jpgCircle-of-Fifths2018-01-01T17:36:11+00:00monthlyhttps://thatsmaths.com/2017/12/14/vanishing-hyperballs/https://thatsmaths.com/wp-content/uploads/2017/12/hyperball-volume.jpgHyperball-Volumehttps://thatsmaths.com/wp-content/uploads/2017/12/sphere-in-cube.jpgSphere-in-Cube2017-12-14T10:25:54+00:00monthlyhttps://thatsmaths.com/2017/12/07/the-star-of-bethlehem-or-was-it-a-planet/https://thatsmaths.com/wp-content/uploads/2017/12/supernova.jpgSupernovahttps://thatsmaths.com/wp-content/uploads/2017/12/venus-jupiter-2017-nov13.jpgVenus-Jupiter-2017-Nov13https://thatsmaths.com/wp-content/uploads/2017/12/star-of-bethlehem-1.jpgStar-of-Bethlehem-1https://thatsmaths.com/wp-content/uploads/2017/12/star-of-bethlehem-0.jpgStar-of-Bethlehem-02017-12-07T10:56:22+00:00monthlyhttps://thatsmaths.com/2017/11/30/disentangling-loops-with-an-ambient-isotopy/https://thatsmaths.com/wp-content/uploads/2017/11/linked-loops-3.jpgLinked-Loops-3https://thatsmaths.com/wp-content/uploads/2017/11/linked-loops-5.jpgLinked-Loops-5https://thatsmaths.com/wp-content/uploads/2017/11/links-three.jpgLinks-Threehttps://thatsmaths.com/wp-content/uploads/2017/11/trefoil-knot-blue-1and2.jpgTrefoil-Knot-Blue-1and2https://thatsmaths.com/wp-content/uploads/2017/11/unknot-trefoil.jpgUnknot-Trefoilhttps://thatsmaths.com/wp-content/uploads/2017/11/trefoil-knot-blue-1.jpgTrefoil-Knot-Blue-1https://thatsmaths.com/wp-content/uploads/2017/11/unknot.jpgUnknothttps://thatsmaths.com/wp-content/uploads/2017/11/linked-loops-1.jpgLinked-Loops-12017-11-30T08:17:34+00:00monthlyhttps://thatsmaths.com/2017/11/23/a-symbol-for-global-circulation/https://thatsmaths.com/wp-content/uploads/2017/11/recycling-symbol-mirror-images.jpgRecycling-Symbol-Mirror-Imageshttps://thatsmaths.com/wp-content/uploads/2017/11/recycling-symbol-column.jpgRecycling-Symbol-Columnhttps://thatsmaths.com/wp-content/uploads/2017/11/recycling-symbol-2verions.jpgRecycling-Symbol-2Verions2017-11-23T15:21:46+00:00monthlyhttps://thatsmaths.com/2017/11/16/slingshot-orbit-to-asteroid-bennu/https://thatsmaths.com/wp-content/uploads/2017/11/osiris-rex.jpgOSIRIS-RExhttps://thatsmaths.com/wp-content/uploads/2017/11/slingshot-1and2.jpgSlingshot-1and22017-11-16T09:41:00+00:00monthlyhttps://thatsmaths.com/2017/11/02/modular-arithmetic-from-clock-time-to-high-tech/https://thatsmaths.com/wp-content/uploads/2017/11/clock-arithmetic.jpgClock-Arithmetic2017-11-09T08:31:43+00:00monthlyhttps://thatsmaths.com/2017/11/06/more-on-moduli/https://thatsmaths.com/wp-content/uploads/2017/11/z12-addition-table.jpgZ12-Addition-Table2017-11-09T08:27:53+00:00monthlyhttps://thatsmaths.com/2017/10/26/malfattis-circles/https://thatsmaths.com/wp-content/uploads/2017/10/malfatti-05.jpgMalfatti-05https://thatsmaths.com/wp-content/uploads/2017/10/malfatti-99.jpgMalfatti-99https://thatsmaths.com/wp-content/uploads/2017/10/malfatti-eqn2.pngMalfatti-Eqn2https://thatsmaths.com/wp-content/uploads/2017/10/malfatti-eqn1.pngMalfatti-Eqn1https://thatsmaths.com/wp-content/uploads/2017/10/malfatti-gianfrancesco.jpgMalfatti-GianFrancescohttps://thatsmaths.com/wp-content/uploads/2017/10/malfatti-01.jpgMalfatti-012017-10-27T08:32:14+00:00monthlyhttps://thatsmaths.com/2017/10/19/learning-maths-has-never-been-easier/https://thatsmaths.com/wp-content/uploads/2017/10/mathsweek2017-shaneoneill.jpgMathsWeek2017-ShaneONeill2017-10-19T13:19:58+00:00monthlyhttps://thatsmaths.com/2017/10/05/from-sailing-on-a-rhumb-to-flying-on-a-geodesic/https://thatsmaths.com/wp-content/uploads/2017/10/pedronunes-monument-detail.jpgPedroNunes-Monument-Detailhttps://thatsmaths.com/wp-content/uploads/2017/10/jfk-pek-mercator.jpgJFK-PEK-Mercatorhttps://thatsmaths.com/wp-content/uploads/2017/10/jfk-pek-gnomonic.jpgJFK-PEK-Gnomonic2017-10-05T07:49:32+00:00monthlyhttps://thatsmaths.com/2017/09/28/building-moebius-bands/https://thatsmaths.com/wp-content/uploads/2017/09/mobiusbuild-01.jpgMobiusBuild-01https://thatsmaths.com/wp-content/uploads/2017/09/mobiusbuild-07.jpgMobiusBuild-07https://thatsmaths.com/wp-content/uploads/2017/09/mobiusbuild-06.jpgMobiusBuild-06https://thatsmaths.com/wp-content/uploads/2017/09/mobiusbuild-05.jpgMobiusBuild-05https://thatsmaths.com/wp-content/uploads/2017/09/mobiusbuild-04.jpgMobiusBuild-04https://thatsmaths.com/wp-content/uploads/2017/09/mobiusbuild-03.jpgMobiusBuild-03https://thatsmaths.com/wp-content/uploads/2017/09/mobiusbuild-02.jpgMobiusBuild-02https://thatsmaths.com/wp-content/uploads/2017/09/mobiusbuild-00.jpgMobiusBuild-002017-09-28T08:16:45+00:00monthlyhttps://thatsmaths.com/2017/09/21/andrey-markovs-brilliant-ideas-are-still-a-driving-force/https://thatsmaths.com/wp-content/uploads/2017/09/markov-chain-khanacademy.jpgMarkov-Chain-KhanAcademyhttps://thatsmaths.com/wp-content/uploads/2017/09/aa-markov-small.jpgAA-Markov-SMALL2017-09-21T08:18:29+00:00monthlyhttps://thatsmaths.com/2017/09/14/moessners-magical-method/https://thatsmaths.com/wp-content/uploads/2017/09/moessner-paper.jpgMoessner-Paperhttps://thatsmaths.com/wp-content/uploads/2017/09/moessner-nfactorial.jpgMoessner-nFactorialhttps://thatsmaths.com/wp-content/uploads/2017/09/moessner-n4.jpgMoessner-n4https://thatsmaths.com/wp-content/uploads/2017/09/moessner-n3.jpgMoessner-n3https://thatsmaths.com/wp-content/uploads/2017/09/moessner-n2.jpgMoessner-n2https://thatsmaths.com/wp-content/uploads/2017/09/sumofoddnumbers.jpgSumOfOddNumbers2017-09-14T07:49:27+00:00monthlyhttps://thatsmaths.com/2017/09/07/euler-and-the-fountains-of-sanssouci/https://thatsmaths.com/wp-content/uploads/2017/09/sanssouci-fountain.jpgSanssouci-Fountain2017-09-07T10:12:01+00:00monthlyhttps://thatsmaths.com/2017/08/31/drawing-multi-focal-ellipses-the-gardeners-method/https://thatsmaths.com/wp-content/uploads/2017/08/sixarcvnellipse.jpgSixArcVnellipsehttps://thatsmaths.com/wp-content/uploads/2017/08/six-ell-arc.jpgSix-Ell-Archttps://thatsmaths.com/wp-content/uploads/2017/08/three-ellipse-pairs.jpgThree-Ellipse-Pairs2017-08-31T08:38:25+00:00monthlyhttps://thatsmaths.com/2017/08/24/locating-the-hq-with-multi-focal-ellipses/https://thatsmaths.com/wp-content/uploads/2017/08/ireland-centrepointmap.jpgIreland-CentrePointMaphttps://thatsmaths.com/wp-content/uploads/2017/08/ellipse-gardenersmethod.jpgEllipse-GardenersMethodhttps://thatsmaths.com/wp-content/uploads/2017/08/irelandprovincialcapitalsmap.jpgIrelandProvincialCapitalsMap2017-08-24T11:09:41+00:00monthlyhttps://thatsmaths.com/2017/08/17/saros-14522-the-great-american-eclipse/https://thatsmaths.com/wp-content/uploads/2017/08/solar-eclipse-partial-nasa.jpgSolar-Eclipse-Partial-NASAhttps://thatsmaths.com/wp-content/uploads/2017/08/eclipse-path.jpgEclipse-Pathhttps://thatsmaths.com/wp-content/uploads/2017/08/saros-cycle-periods.jpgSaros-Cycle-Periodshttps://thatsmaths.com/wp-content/uploads/2017/08/saros-145.jpgSaros-1452017-08-17T08:02:14+00:00monthlyhttps://thatsmaths.com/2017/08/10/fractions-of-fractions-of-fractions/2017-08-10T15:12:56+00:00monthlyhttps://thatsmaths.com/2017/08/03/its-as-easy-as-pi/https://thatsmaths.com/wp-content/uploads/2017/07/pi-800digits.jpgPi-800digitshttps://thatsmaths.com/wp-content/uploads/2017/07/pi-symbol.jpgPi-Symbol2017-08-03T20:37:11+00:00monthlyhttps://thatsmaths.com/2017/07/27/who-first-proved-that-c-d-is-constant/https://thatsmaths.com/wp-content/uploads/2017/07/archimedes-bust.jpgArchimedes-Busthttps://thatsmaths.com/wp-content/uploads/2017/07/archimedes-theorem-04.jpgArchimedes-Theorem-04https://thatsmaths.com/wp-content/uploads/2017/07/archimedes-theorem-02.jpgArchimedes-Theorem-02https://thatsmaths.com/wp-content/uploads/2017/07/circle-area-triagles.jpgCircle-Area-Triagles2017-07-27T07:37:18+00:00monthlyhttps://thatsmaths.com/2017/07/20/quadrivium-the-noble-fourfold-way/https://thatsmaths.com/wp-content/uploads/2017/07/boethius.jpgBoethiushttps://thatsmaths.com/wp-content/uploads/2017/07/quadrivium-four-arts.jpgQuadrivium-Four-Artshttps://thatsmaths.com/wp-content/uploads/2017/07/quadrivium-book.jpgQuadrivium-Bookhttps://thatsmaths.com/wp-content/uploads/2017/07/quadrivium-arithmetica.jpgQuadrivium-Arithmetica2017-07-20T07:57:50+00:00monthlyhttps://thatsmaths.com/2017/07/13/inertial-oscillations-and-phugoid-flight/https://thatsmaths.com/wp-content/uploads/2017/07/glider-loop-20.jpgGlider-Loop-20https://thatsmaths.com/wp-content/uploads/2017/07/inertial-flow-flip.jpgInertial-Flow-Fliphttps://thatsmaths.com/wp-content/uploads/2017/07/inertial-flow.jpgInertial-Flowhttps://thatsmaths.com/wp-content/uploads/2017/07/inertialflow-phugoidflight.jpgInertialFlow-PhugoidFlighthttps://thatsmaths.com/wp-content/uploads/2017/07/phugoid-plane.jpgPhugoid-Plane2017-07-13T22:19:03+00:00monthlyhttps://thatsmaths.com/2017/07/06/robert-murphy-a-brilliant-meteor/https://thatsmaths.com/wp-content/uploads/2017/07/gonville-and-caius-old.jpgGonville-and-Caius-OLDhttps://thatsmaths.com/wp-content/uploads/2017/07/robert-murphy.jpgRobert-Murphy2017-07-06T06:15:56+00:00monthlyhttps://thatsmaths.com/2017/06/29/patterns-in-poetry-music-and-morse-code/https://thatsmaths.com/wp-content/uploads/2017/06/morse-code-table1.jpgMorse-Code-Tablehttps://thatsmaths.com/wp-content/uploads/2017/06/morse-code-symbols.jpgMorse-Code-Symbolshttps://thatsmaths.com/wp-content/uploads/2017/06/morse-code-table.jpgMorse-Code-Tablehttps://thatsmaths.com/wp-content/uploads/2017/06/morse-dot-dash.jpgMorse-Dot-Dashhttps://thatsmaths.com/wp-content/uploads/2017/06/music-4-4-rhythms.jpgMusic-4-4-Rhythmshttps://thatsmaths.com/wp-content/uploads/2017/06/poetry-rhythms.jpgPoetry-Rhythmshttps://thatsmaths.com/wp-content/uploads/2017/06/staircase-01.jpgStaircase-012017-06-30T10:56:02+00:00monthlyhttps://thatsmaths.com/2017/06/22/the-beer-mat-game/https://thatsmaths.com/wp-content/uploads/2017/06/beermat-0405.jpgBeermat-0405https://thatsmaths.com/wp-content/uploads/2017/06/beermat-0400.jpgBeermat-0400https://thatsmaths.com/wp-content/uploads/2017/06/beermat-04-3.jpgBeermat-04-3https://thatsmaths.com/wp-content/uploads/2017/06/beermat-03.jpgBeermat-03https://thatsmaths.com/wp-content/uploads/2017/06/beermat-0102.jpgBeermat-0102https://thatsmaths.com/wp-content/uploads/2017/06/beermat-00.jpgBeermat-00https://thatsmaths.com/wp-content/uploads/2017/06/beermats-picture.jpgBeermats-picture2017-06-22T09:55:52+00:00monthlyhttps://thatsmaths.com/2017/06/15/fractal-complexity-of-finnegans-wake/https://thatsmaths.com/wp-content/uploads/2017/06/fw-fractals-02.jpgFW-Fractals-02https://thatsmaths.com/wp-content/uploads/2017/06/fw-fractals-011.jpgFW-Fractals-01https://thatsmaths.com/wp-content/uploads/2017/06/fw-fractals-01.jpgFW-Fractals-01https://thatsmaths.com/wp-content/uploads/2017/06/fw-fractals-00.jpgFW-Fractals-00https://thatsmaths.com/wp-content/uploads/2017/06/fw-fractals-03-squeezed.jpgFW-Fractals-03-Squeezed2017-06-15T08:15:01+00:00monthlyhttps://thatsmaths.com/2017/06/08/a-remarkable-pair-of-sequences/https://thatsmaths.com/wp-content/uploads/2017/06/tictactoe-figs1and2b.jpgTicTacToe-Figs1and2bhttps://thatsmaths.com/wp-content/uploads/2017/06/tictactoe-table1.jpgTicTacToe-Table1https://thatsmaths.com/wp-content/uploads/2017/06/tictactoe-2-sequences.jpgTicTacToe-2-Sequences2017-06-08T16:42:57+00:00monthlyhttps://thatsmaths.com/2017/06/01/beautiful-patterns-in-maths-and-music/https://thatsmaths.com/wp-content/uploads/2017/05/j-s-bach.jpgJ-S-Bachhttps://thatsmaths.com/wp-content/uploads/2017/05/circle-of-fifths.jpgCircle-of-Fifthshttps://thatsmaths.com/wp-content/uploads/2017/05/beethoven-ode-to-joy-musipedia.jpgBeethoven-Ode-to-Joy-Musipediahttps://thatsmaths.com/wp-content/uploads/2017/05/beethoven-moonlightesonata.jpgBeethoven-MoonlighteSonata2017-06-01T06:32:42+00:00monthlyhttps://thatsmaths.com/2017/05/25/wavelets-mathematical-microscopes/https://thatsmaths.com/wp-content/uploads/2017/05/wavelets-chirpchirp-both.jpgWavelets-Chirpchirp-BOTHhttps://thatsmaths.com/wp-content/uploads/2017/05/wavelets-cwt-example-bottom1.jpgWavelets-CWT-Example-BOTTOMhttps://thatsmaths.com/wp-content/uploads/2017/05/wavelets-cwt-example.jpgWavelets-CWT-Examplehttps://thatsmaths.com/wp-content/uploads/2017/05/wavelet-fingerprint-compression.jpgWavelet-Fingerprint-Compressionhttps://thatsmaths.com/wp-content/uploads/2017/05/wavelets-hermitian-02.jpgWavelets-Hermitian-02https://thatsmaths.com/wp-content/uploads/2017/05/cwt-integral.jpgCWT-Integralhttps://thatsmaths.com/wp-content/uploads/2017/05/wavelets-hermitian-011.jpgWavelets-Hermitian-012017-05-25T16:12:11+00:00monthlyhttps://thatsmaths.com/2017/05/18/yves-meyer-wins-2017-abel-prize/https://thatsmaths.com/wp-content/uploads/2017/05/yves-meyer-wide.jpgYves-Meyer-Widehttps://thatsmaths.com/wp-content/uploads/2017/05/wavelets-cwt-example-bottom.jpgWavelets-CWT-Example-BOTTOMhttps://thatsmaths.com/wp-content/uploads/2017/05/wavelets-hermitian-01.jpgWavelets-Hermitian-01https://thatsmaths.com/wp-content/uploads/2017/05/yves-meyer.jpgYves-Meyer2017-05-18T18:17:15+00:00monthlyhttps://thatsmaths.com/2017/05/11/hearing-harmony-seeing-symmetry/https://thatsmaths.com/wp-content/uploads/2017/05/lissajous-ratios-01.jpgLissajous-Ratios-01https://thatsmaths.com/wp-content/uploads/2017/05/lissajous-interval-16-17-semitone.jpgLissajous-Interval-16-17-SemiTonehttps://thatsmaths.com/wp-content/uploads/2017/05/lissajous-interval-3-5-sixth.jpgLissajous-Interval-3-5-Sixthhttps://thatsmaths.com/wp-content/uploads/2017/05/lissajous-interval-5-6-minorthird.jpgLissajous-Interval-5-6-MinorThirdhttps://thatsmaths.com/wp-content/uploads/2017/05/lissajous-interval-4-5-third.jpgLissajous-Interval-4-5-Thirdhttps://thatsmaths.com/wp-content/uploads/2017/05/lissajous-interval-3-4-fourth.jpgLissajous-Interval-3-4-Fourthhttps://thatsmaths.com/wp-content/uploads/2017/05/lissajous-interval-2-3-fifth.jpgLissajous-Interval-2-3-Fifthhttps://thatsmaths.com/wp-content/uploads/2017/05/lissajous-interval-1-2-octave.jpgLissajous-Interval-1-2-Octave2017-05-11T17:24:05+00:00monthlyhttps://thatsmaths.com/2017/04/20/the-water-is-rising-fast/https://thatsmaths.com/wp-content/uploads/2017/04/sealevel-01.jpgSeaLevel-01https://thatsmaths.com/wp-content/uploads/2017/04/sealevel-05.jpgSeaLevel-052017-05-04T13:51:47+00:00monthlyhttps://thatsmaths.com/2017/05/04/when-roughly-right-is-good-enough/https://thatsmaths.com/wp-content/uploads/2017/05/enrico-fermi-2.jpgEnrico-Fermi-2https://thatsmaths.com/wp-content/uploads/2017/04/libertyhall-building-thumb.jpgLibertyHall-BUILDING-Thumbhttps://thatsmaths.com/wp-content/uploads/2017/04/enrico-fermi.jpgEnrico-Fermi2017-05-04T13:51:16+00:00monthlyhttps://thatsmaths.com/2017/04/27/a-geometric-sieve-for-the-prime-numbers/https://thatsmaths.com/wp-content/uploads/2017/04/ms-sieve.jpgMS-Sievehttps://thatsmaths.com/wp-content/uploads/2017/04/nomogram-01.jpgNomogram-01https://thatsmaths.com/wp-content/uploads/2017/04/ms-sieve-detail.jpgMS-Sieve-Detail2017-04-27T08:47:00+00:00monthlyhttps://thatsmaths.com/2017/04/13/torricellis-trumpet-the-painters-paradox/https://thatsmaths.com/wp-content/uploads/2017/04/tile-painting.jpgTile-Paintinghttps://thatsmaths.com/wp-content/uploads/2017/04/torricelli-05.jpgTorricelli-05https://thatsmaths.com/wp-content/uploads/2017/04/torricelli-04.jpgTorricelli-04https://thatsmaths.com/wp-content/uploads/2017/04/torricelli-02.jpgTorricelli-02https://thatsmaths.com/wp-content/uploads/2017/04/torricelli-01a.jpgTorricelli-01Ahttps://thatsmaths.com/wp-content/uploads/2017/04/torricelli-03.jpgTorricelli-032017-04-13T09:09:29+00:00monthlyhttps://thatsmaths.com/2017/04/06/the-improbability-principle/https://thatsmaths.com/wp-content/uploads/2017/04/improbability-principle-bottom.jpgImprobability-Principle-Bottom2017-04-06T08:54:43+00:00monthlyhttps://thatsmaths.com/2017/03/30/treize-a-card-matching-game/https://thatsmaths.com/wp-content/uploads/2017/03/derangement-table.jpgDerangement-Tablehttps://thatsmaths.com/wp-content/uploads/2017/03/spadeshearts.jpgSpadesHearts2017-03-31T08:28:37+00:00monthlyhttps://thatsmaths.com/2017/03/23/numerical-coincidences/https://thatsmaths.com/wp-content/uploads/2017/03/cos355.jpgcos3552017-03-23T13:11:09+00:00monthlyhttps://thatsmaths.com/2017/03/16/a-life-saving-whirligig/https://thatsmaths.com/wp-content/uploads/2017/03/whirligig-equation.jpgWhirligig-Equationhttps://thatsmaths.com/wp-content/uploads/2017/03/whirligig-schematic.jpgwhirligig-schematichttps://thatsmaths.com/wp-content/uploads/2017/03/whirligig-theoryexpt.jpgwhirligig-theoryexpthttps://thatsmaths.com/wp-content/uploads/2017/03/whirligig-bloodplasma.jpgwhirligig-bloodplasmahttps://thatsmaths.com/wp-content/uploads/2017/03/whirligig-toy.jpgSAMSUNGSAMSUNG2017-03-16T07:59:12+00:00monthlyhttps://thatsmaths.com/2017/03/09/bruns-constant-and-the-pentium-bug/https://thatsmaths.com/wp-content/uploads/2017/02/bruns-constant.jpgbruns-constanthttps://thatsmaths.com/wp-content/uploads/2017/02/primepairs-4panels.jpgprimepairs-4panels2017-03-09T12:18:08+00:00monthlyhttps://thatsmaths.com/2017/03/02/enigmas-of-infinity/https://thatsmaths.com/wp-content/uploads/2017/03/infinity-rainbow.jpginfinity-rainbowhttps://thatsmaths.com/wp-content/uploads/2017/03/infinity-symbols.jpginfinity-symbols2017-03-02T08:35:06+00:00monthlyhttps://thatsmaths.com/2017/02/23/topology-in-the-oval-office/https://thatsmaths.com/wp-content/uploads/2017/02/electricplugs-02t.jpgelectricplugs-02thttps://thatsmaths.com/wp-content/uploads/2017/02/electricplugs-02s.jpgelectricplugs-02shttps://thatsmaths.com/wp-content/uploads/2017/02/electricplugs-02a.jpgelectricplugs-02ahttps://thatsmaths.com/wp-content/uploads/2017/02/electricplugs-02.jpgelectricplugs-02https://thatsmaths.com/wp-content/uploads/2017/02/electricplugs-01s.jpgelectricplugs-01shttps://thatsmaths.com/wp-content/uploads/2017/02/electricplugs-01.jpgelectricplugs-01https://thatsmaths.com/wp-content/uploads/2017/02/problem-pause.jpgproblem-pause2017-02-23T09:31:26+00:00monthlyhttps://thatsmaths.com/2017/02/16/the-spire-of-light/https://thatsmaths.com/wp-content/uploads/2017/02/spire-tunedmassdampers.jpgspire-tunedmassdampershttps://thatsmaths.com/wp-content/uploads/2017/02/spire-night.jpgspire-nighthttps://thatsmaths.com/wp-content/uploads/2017/02/spire-day.jpgspire-dayhttps://thatsmaths.com/wp-content/uploads/2017/02/spire-nightscape.jpgspire-nightscape2017-02-16T10:02:56+00:00monthlyhttps://thatsmaths.com/2017/02/09/metallic-means/https://thatsmaths.com/wp-content/uploads/2017/02/metallicsurface-02.jpgmetallicsurface-02Metallic surface. Note that the height for p = q = 1 is the golden mean.https://thatsmaths.com/wp-content/uploads/2017/02/metallicsurface-01.jpgmetallicsurface-01https://thatsmaths.com/wp-content/uploads/2017/02/vitruvian-man-lores.jpgvitruvian-man-loreshttps://thatsmaths.com/wp-content/uploads/2017/02/goldenmean-pentagram.jpggoldenmean-pentagram2017-02-09T10:53:51+00:00monthlyhttps://thatsmaths.com/2017/02/02/voronoi-diagrams-simple-but-powerful/https://thatsmaths.com/wp-content/uploads/2017/02/voronoi-georgy.jpgvoronoi-georgyhttps://thatsmaths.com/wp-content/uploads/2017/02/voronoi-diagram.jpgvoronoi-diagram2017-02-02T13:56:21+00:00monthlyhttps://thatsmaths.com/2017/01/26/the-beginning-of-modern-mathematics/https://thatsmaths.com/wp-content/uploads/2017/01/dedivinaproportione-titlepage.jpgdedivinaproportione-titlepagehttps://thatsmaths.com/wp-content/uploads/2017/01/davinci-dodecahedron.jpgdavinci-dodecahedron2017-01-26T08:10:48+00:00monthlyhttps://thatsmaths.com/2017/01/19/the-library-of-babel-and-the-information-explosion/https://thatsmaths.com/wp-content/uploads/2017/01/jorge-luis-borges-dublin.jpgjorge-luis-borges-dublinhttps://thatsmaths.com/wp-content/uploads/2017/01/jorge-luis-borges.jpgjorge-luis-borgeshttps://thatsmaths.com/wp-content/uploads/2017/01/libraryofbabel.jpglibraryofbabel2017-01-19T08:57:45+00:00monthlyhttps://thatsmaths.com/2017/01/12/on-knots-and-links/https://thatsmaths.com/wp-content/uploads/2017/01/3d-link.jpg3d-linkhttps://thatsmaths.com/wp-content/uploads/2017/01/whitehead-pieces.jpgwhitehead-pieceshttps://thatsmaths.com/wp-content/uploads/2017/01/whitehead-link.jpgwhitehead-linkhttps://thatsmaths.com/wp-content/uploads/2017/01/imu-logo.jpgimu-logohttps://thatsmaths.com/wp-content/uploads/2017/01/borromeo3d.jpgborromeo3dhttps://thatsmaths.com/wp-content/uploads/2017/01/borromeo3dbothviews.jpgborromeo3dbothviewshttps://thatsmaths.com/wp-content/uploads/2017/01/hopf-link.jpghopf-linkhttps://thatsmaths.com/wp-content/uploads/2017/01/trefoil-knots-3.jpgtrefoil-knots-3https://thatsmaths.com/wp-content/uploads/2017/01/intuition-dscf0061-lores.jpgintuition-dscf0061-lores2017-01-13T11:51:13+00:00monthlyhttps://thatsmaths.com/2017/01/05/geographic-spread-of-members-of-the-citizens-assembly/https://thatsmaths.com/wp-content/uploads/2017/01/citizens-assembly-probability-2.jpgcitizens-assembly-probability-2https://thatsmaths.com/wp-content/uploads/2017/01/citizens-assembly-probability.jpgcitizens-assembly-probabilityhttps://thatsmaths.com/wp-content/uploads/2017/01/map-assembly-members-nov.jpgmap-assembly-members-novhttps://thatsmaths.com/wp-content/uploads/2017/01/citizensassembly-logo1.jpgcitizensassembly-logohttps://thatsmaths.com/wp-content/uploads/2017/01/citizensassembly-logo.jpgcitizensassembly-logo2017-01-09T17:48:04+00:00monthlyhttps://thatsmaths.com/2016/12/29/unsolved-the-square-peg-problem/https://thatsmaths.com/wp-content/uploads/2016/12/squarepeg-04.jpgsquarepeg-04https://thatsmaths.com/wp-content/uploads/2016/12/squarepeg-01.jpgsquarepeg-01https://thatsmaths.com/wp-content/uploads/2016/12/squarepeg-0102.jpgsquarepeg-01022016-12-29T18:50:05+00:00monthlyhttps://thatsmaths.com/2016/12/22/twenty-heads-in-succession-how-long-will-we-wait/https://thatsmaths.com/wp-content/uploads/2016/12/euro-frontback-ie.jpgeuro-frontback-ie2016-12-23T00:32:24+00:00monthlyhttps://thatsmaths.com/2016/12/15/the-edward-worth-library-a-treasure-trove-of-maths/https://thatsmaths.com/wp-content/uploads/2016/12/vanceulen-titlepage-portrait.jpgvanceulen-titlepage-portraithttps://thatsmaths.com/wp-content/uploads/2016/12/drsteevenshosp-zoom.jpgdrsteevenshosp-zoomhttps://thatsmaths.com/wp-content/uploads/2016/12/drsteevenshosp.jpgdrsteevenshosphttps://thatsmaths.com/wp-content/uploads/2016/12/edworthlib-banner.jpgedworthlib-banner2016-12-15T06:34:50+00:00monthlyhttps://thatsmaths.com/2016/12/08/raphael-bombellis-psychedelic-leap/https://thatsmaths.com/wp-content/uploads/2016/12/bombelli-algebra-extract.jpgbombelli-algebra-extracthttps://thatsmaths.com/wp-content/uploads/2016/12/bombelli-and-algebra.jpgbombelli-and-algebrahttps://thatsmaths.com/wp-content/uploads/2016/12/cardano-formula.jpgcardano-formula2016-12-08T11:28:35+00:00monthlyhttps://thatsmaths.com/2016/12/01/the-shaky-foundations-of-mathematics/https://thatsmaths.com/wp-content/uploads/2016/11/godel-kurt.jpggodel-kurthttps://thatsmaths.com/wp-content/uploads/2016/11/euclid-statueoxford.jpgeuclid-statueoxford[#Beginning of Shooting Data Section] Nikon CoolPix2500 2002/06/20 06:27:41 JPEG (8-bit) Normal Image Size: 1600 x 1200 Color ConverterLens: None Focal Length: 5.6mm Exposure Mode: Programmed Auto Metering Mode: Multi-Pattern 1/30 sec - f/2.7 Exposure Comp.: 0 EV Sensitivity: Auto White Balance: Auto AF Mode: AF-S Tone Comp: Auto Flash Sync Mode: Red Eye Reduction Electric Zoom Ratio: 1.00 Saturation comp: 0 Sharpening: Auto Noise Reduction: OFF [#End of Shooting Data Section]https://thatsmaths.com/wp-content/uploads/2016/11/platoaristotlepythagoraseuclid.jpgplatoaristotlepythagoraseuclid2016-12-01T08:29:46+00:00monthlyhttps://thatsmaths.com/2016/11/24/taylor-expansions-from-india/https://thatsmaths.com/wp-content/uploads/2016/11/tm-cover-detail-thumb.jpgtm-cover-detail-thumbhttps://thatsmaths.com/wp-content/uploads/2016/11/gregory-leibniz-table.jpggregory-leibniz-tablehttps://thatsmaths.com/wp-content/uploads/2016/11/awesums-taylor-sine.jpgawesums-taylor-sinehttps://thatsmaths.com/wp-content/uploads/2016/11/awesums-taylor-sine-4approxs.jpgawesums-taylor-sine-4approxshttps://thatsmaths.com/wp-content/uploads/2016/11/taylor-brook-portrait.jpgNPG 1920; Brook Taylor probably by Louis Goupyprobably by Louis Goupy, watercolour and bodycolour on vellum laid down on card, 17202016-11-24T13:47:28+00:00monthlyhttps://thatsmaths.com/2016/11/17/marvellous-merchistons-logarithms/https://thatsmaths.com/wp-content/uploads/2016/11/log-richterscale.jpglog-richterscalehttps://thatsmaths.com/wp-content/uploads/2016/11/log-decibelscale.jpglog-decibelscalehttps://thatsmaths.com/wp-content/uploads/2016/11/log-stellarmag.jpglog-stellarmaghttps://thatsmaths.com/wp-content/uploads/2016/11/realcalc.jpgrealcalchttps://thatsmaths.com/wp-content/uploads/2016/11/log10-table.jpglog10-table2016-11-17T08:55:41+00:00monthlyhttps://thatsmaths.com/2016/11/10/which-is-larger-epi-or-pie/https://thatsmaths.com/wp-content/uploads/2016/11/x2yminusy2x.jpgx2yminusy2x2016-11-10T17:19:46+00:00monthlyhttps://thatsmaths.com/2016/11/03/a-new-window-on-the-world/https://thatsmaths.com/wp-content/uploads/2016/11/kip-thorne-landh.jpgkip-thorne-landhhttps://thatsmaths.com/wp-content/uploads/2016/11/gravitational-waves-3d.jpggravitational-waves-3d2016-11-03T11:52:30+00:00monthlyhttps://thatsmaths.com/2016/10/27/thats-maths-book-published/https://thatsmaths.com/wp-content/uploads/2016/10/thatsmathscoverdetail.jpgthatsmathscoverdetailhttps://thatsmaths.com/wp-content/uploads/2016/10/thatsmathscover.jpg335004-Thats Maths-v72016-10-31T22:47:15+00:00monthlyhttps://thatsmaths.com/2016/10/20/thank-heaven-for-turbulence/https://thatsmaths.com/wp-content/uploads/2016/10/ggstokes.jpgggstokeshttps://thatsmaths.com/wp-content/uploads/2016/10/turbulent-flow.jpgturbulent-flow2016-10-20T07:29:27+00:00monthlyhttps://thatsmaths.com/2016/10/13/keplers-magnificent-mysterium-cosmographicum/https://thatsmaths.com/wp-content/uploads/2016/10/kepler-ratiosanddistances1.jpgkepler-ratiosanddistanceshttps://thatsmaths.com/wp-content/uploads/2016/10/platonic-solids-leonardo.jpgplatonic-solids-leonardohttps://thatsmaths.com/wp-content/uploads/2016/10/kepler-ratiosanddistances.jpgkepler-ratiosanddistanceshttps://thatsmaths.com/wp-content/uploads/2016/10/kepler-cube.jpgkepler-cubehttps://thatsmaths.com/wp-content/uploads/2016/10/kepler-orbits.jpgkepler-orbitshttps://thatsmaths.com/wp-content/uploads/2016/10/kepler-mc-12.jpgkepler-mc-122016-10-13T13:28:28+00:00monthlyhttps://thatsmaths.com/2016/10/06/a-ton-of-wonders/https://thatsmaths.com/wp-content/uploads/2016/09/tonofwonders.jpgtonofwonders2016-10-06T15:54:19+00:00monthlyhttps://thatsmaths.com/2016/09/29/negative-number-names/https://thatsmaths.com/wp-content/uploads/2016/09/really.jpgreally2016-09-29T12:52:43+00:00monthlyhttps://thatsmaths.com/2016/09/22/venn-agains-awake/https://thatsmaths.com/wp-content/uploads/2016/09/venn-3sets-cube-flat.jpgvenn-3sets-cube-flathttps://thatsmaths.com/wp-content/uploads/2016/09/venn-3sets-and-hexagon-graph.jpgvenn-3sets-and-hexagon-graphhttps://thatsmaths.com/wp-content/uploads/2016/09/venn-2sets.jpgvenn-2setshttps://thatsmaths.com/wp-content/uploads/2016/09/venn-4ellipses.jpgvenn-4ellipseshttps://thatsmaths.com/wp-content/uploads/2016/09/venn-3and4-sets.jpgvenn-3and4-setshttps://thatsmaths.com/wp-content/uploads/2016/09/venn-forbidden-all.jpgvenn-forbidden-allhttps://thatsmaths.com/wp-content/uploads/2016/09/venn-regions.jpgvenn-regions2016-09-22T11:30:05+00:00monthlyhttps://thatsmaths.com/2016/09/15/the-next-hamilton/https://thatsmaths.com/wp-content/uploads/2016/09/julia-robinson.jpgjulia-robinsonhttps://thatsmaths.com/wp-content/uploads/2016/09/001-gauss.jpg001-gausshttps://thatsmaths.com/wp-content/uploads/2016/09/hamilton-stamp.jpghamilton-stamp2016-09-15T11:22:56+00:00monthlyhttps://thatsmaths.com/2016/09/08/herons-theorem-a-tool-for-surveyors/https://thatsmaths.com/wp-content/uploads/2016/09/heronandhistriangle.jpgHeronAndHisTriangle2016-09-08T07:35:20+00:00monthlyhttps://thatsmaths.com/2016/09/01/the-tunnel-of-eupalinos-in-samos/https://thatsmaths.com/wp-content/uploads/2016/08/samos-tunnel-interior.jpgSamos-Tunnel-Interiorhttps://thatsmaths.com/wp-content/uploads/2016/08/samos-tunnel-map.jpgSamos-Tunnel-Map2016-09-01T06:53:40+00:00monthlyhttps://thatsmaths.com/2016/08/25/slicing-doughnuts/https://thatsmaths.com/wp-content/uploads/2016/08/spiricsections.jpgSpiricSectionshttps://thatsmaths.com/wp-content/uploads/2016/08/cassinianovals.jpgCassinianOvalshttps://thatsmaths.com/wp-content/uploads/2016/08/torus-cyan.jpgTorus-Cyan2016-08-25T07:28:08+00:00monthlyhttps://thatsmaths.com/2016/08/18/recreational-mathematics-is-fun/https://thatsmaths.com/wp-content/uploads/2016/08/ucd-adulted.jpgUCD-Adultedhttps://thatsmaths.com/wp-content/uploads/2016/08/hardinggallery.jpegHardingGalleryhttps://thatsmaths.com/wp-content/uploads/2016/08/momath-banner.jpgMoMath-Bannerhttps://thatsmaths.com/wp-content/uploads/2016/08/plus-banner.jpgPlus-Bannerhttps://thatsmaths.com/wp-content/uploads/2016/08/martin-gardner.jpgMartin-Gardner2016-08-18T13:21:42+00:00monthlyhttps://thatsmaths.com/2016/08/11/a-toy-example-of-rsa-encryption/https://thatsmaths.com/wp-content/uploads/2016/08/rsa-older.pngRSA-Olderhttps://thatsmaths.com/wp-content/uploads/2016/08/toyrsa-table1.jpgToyRSA-Table12016-08-11T07:58:26+00:00monthlyhttps://thatsmaths.com/2016/08/04/can-mathematics-keep-us-secure/https://thatsmaths.com/wp-content/uploads/2016/08/rsa-young.jpgRSA-younghttps://thatsmaths.com/wp-content/uploads/2016/08/nsa-flag.pngNSA-Flag2016-08-04T08:13:08+00:00monthlyhttps://thatsmaths.com/2016/07/28/random-harmonic-series/https://thatsmaths.com/wp-content/uploads/2016/07/randomharmonicseriesdistribution.jpgRandomHarmonicSeriesDistribution2016-07-28T07:56:27+00:00monthlyhttps://thatsmaths.com/2016/07/21/computers-speaking-in-irish/https://thatsmaths.com/wp-content/uploads/2016/07/abair-dot-ie.jpgAbair-dot-IEhttps://thatsmaths.com/wp-content/uploads/2016/07/screen-reading-schematic.jpgScreen-Reading-Schematichttps://thatsmaths.com/wp-content/uploads/2016/07/fourier.jpgFourierhttps://thatsmaths.com/wp-content/uploads/2016/07/braille-display.jpgBraille-Display2016-07-21T08:50:22+00:00monthlyhttps://thatsmaths.com/2016/07/14/squircles/https://thatsmaths.com/wp-content/uploads/2016/07/sergelstorg-1959.jpgSergelsTorg-1959https://thatsmaths.com/wp-content/uploads/2016/07/squircles-zzzzz-nest.jpgSquircles-zzzzz-nesthttps://thatsmaths.com/wp-content/uploads/2016/07/squircle-zzzzz.jpgSquircle-zzzzzhttps://thatsmaths.com/wp-content/uploads/2016/07/squircle-12450.jpgSquircle-12450https://thatsmaths.com/wp-content/uploads/2016/07/squircle-plate.jpgSquircle-Plate2016-07-14T07:37:57+00:00monthlyhttps://thatsmaths.com/2016/07/07/lateral-thinking-in-mathematics/https://thatsmaths.com/wp-content/uploads/2016/07/light-hyperbola.jpgLight-Hyperbolahttps://thatsmaths.com/wp-content/uploads/2016/07/george-polya.jpgGeorge-Polya2016-07-07T07:50:48+00:00monthlyhttps://thatsmaths.com/2016/06/30/lecture-sans-paroles-the-factors-of-m67/https://thatsmaths.com/wp-content/uploads/2016/06/kleincolebell.jpgKleinColeBellhttps://thatsmaths.com/wp-content/uploads/2016/06/franknelsoncoleprise.jpgFrankNelsonColePrise2016-06-30T08:03:03+00:00monthlyhttps://thatsmaths.com/2016/06/23/bending-the-rules-to-square-the-circle/https://thatsmaths.com/wp-content/uploads/2016/06/squarecircle-04.jpgSquareCircle-04https://thatsmaths.com/wp-content/uploads/2016/06/squarecircle-03.jpgSquareCircle-03https://thatsmaths.com/wp-content/uploads/2016/06/squarecircle-02.jpgSquareCircle-02https://thatsmaths.com/wp-content/uploads/2016/06/squarecircle-01.jpgSquareCircle-01https://thatsmaths.com/wp-content/uploads/2016/06/squarecircle-00.jpgSquareCircle-002016-06-23T07:12:01+00:00monthlyhttps://thatsmaths.com/2016/06/16/blooms-attempt-to-square-the-circle/https://thatsmaths.com/wp-content/uploads/2016/06/squarecircle-heisel.jpgSquareCircle-Heiselhttps://thatsmaths.com/wp-content/uploads/2016/06/milooshealeopoldbloom.jpgMiloOSheaLeopoldBloomhttps://thatsmaths.com/wp-content/uploads/2016/06/squaringthecircle1.jpgSquaringTheCirclehttps://thatsmaths.com/wp-content/uploads/2016/06/squaringthecircle.jpgSquaringTheCirclehttps://thatsmaths.com/wp-content/uploads/2016/06/joyces-tower.jpgJoyces-Tower2016-06-16T19:50:51+00:00monthlyhttps://thatsmaths.com/2016/06/09/prime-generating-formulae/https://thatsmaths.com/wp-content/uploads/2016/06/jones-prime-generator.jpgJones-Prime-Generator2016-06-09T09:38:03+00:00monthlyhttps://thatsmaths.com/2016/06/02/big-data-the-information-explosion/https://thatsmaths.com/wp-content/uploads/2016/05/bigdataimagesgoogle.jpgBigDataImagesGoogle2016-06-02T07:23:39+00:00monthlyhttps://thatsmaths.com/2016/05/26/mathematics-everywhere-in-blackrock-station/https://thatsmaths.com/wp-content/uploads/2016/05/blackrock-circles.jpgBlackrock-Circleshttps://thatsmaths.com/wp-content/uploads/2016/05/blackrock-hexhelix.jpgBlackrock-HexHelixhttps://thatsmaths.com/wp-content/uploads/2016/05/blackrock-planes.jpgBlackrock-Planeshttps://thatsmaths.com/wp-content/uploads/2016/05/blackrock-polygons.jpgBlackrock-Polygonshttps://thatsmaths.com/wp-content/uploads/2016/05/blackrock-hexprism.jpgBlackrock-HexPrismhttps://thatsmaths.com/wp-content/uploads/2016/05/blackrock-lines.jpgBlackrock-Lineshttps://thatsmaths.com/wp-content/uploads/2016/05/blackrock-parallels.jpgBlackrock-Parallelshttps://thatsmaths.com/wp-content/uploads/2016/05/blackrock-footbridge.jpgBlackrock-Footbridgehttps://thatsmaths.com/wp-content/uploads/2016/05/blackrock-entrance.jpgBlackrock-Entrance2016-05-26T08:13:14+00:00monthlyhttps://thatsmaths.com/2016/05/19/andrew-wiles-wins-2016-abel-prize/https://thatsmaths.com/wp-content/uploads/2016/05/andrew-wiles.jpgAndrew-WIleshttps://thatsmaths.com/wp-content/uploads/2016/05/pierredefermat.jpgPierredeFermat2016-05-19T07:55:28+00:00monthlyhttps://thatsmaths.com/2016/05/12/ramanujans-astonishing-knowledge-of-1729/https://thatsmaths.com/wp-content/uploads/2016/05/ramanujan-1729-table.jpgRamanujan-1729-Tablehttps://thatsmaths.com/wp-content/uploads/2016/05/ramanujan-1729-page-ono.jpgRamanujan-1729-Page-Onohttps://thatsmaths.com/wp-content/uploads/2016/05/k3-surfaces-google.jpgK3-Surfaces-Google2016-05-12T07:49:44+00:00monthlyhttps://thatsmaths.com/2016/05/05/modelling-rogue-waves/https://thatsmaths.com/wp-content/uploads/2016/05/nls.jpgNLShttps://thatsmaths.com/wp-content/uploads/2016/05/draupner-wave.pngDraupner-Wavehttps://thatsmaths.com/wp-content/uploads/2016/05/bbc-freakwave.jpgBBC-FreakWave2016-05-05T07:30:57+00:00monthlyhttps://thatsmaths.com/2016/04/28/sigmoid-functions-gudermannian-and-gompertz-curves/https://thatsmaths.com/wp-content/uploads/2016/04/gompertzc.jpgGompertzChttps://thatsmaths.com/wp-content/uploads/2016/04/gompertzb.jpgGompertzBhttps://thatsmaths.com/wp-content/uploads/2016/04/gompertza.jpgGompertzAhttps://thatsmaths.com/wp-content/uploads/2016/04/gudermannian.jpgGudermannianhttps://thatsmaths.com/wp-content/uploads/2016/04/sigmoidcurves.jpgSigmoidCurveshttps://thatsmaths.com/wp-content/uploads/2016/04/bellcurves.jpgBellCurveshttps://thatsmaths.com/wp-content/uploads/2016/04/gompertzcurves.jpgGompertzCurves2016-04-28T13:35:52+00:00monthlyhttps://thatsmaths.com/2016/04/21/the-inexorable-rise-in-life-expectancy/https://thatsmaths.com/wp-content/uploads/2016/04/life-expec-ireland.pngLIfe-Expec-Irelandhttps://thatsmaths.com/wp-content/uploads/2016/04/male-life-expectancy.pngMale-Life-Expectancy2016-04-21T07:50:56+00:00monthlyhttps://thatsmaths.com/2016/03/31/the-imaginary-power-tower-part-ii/https://thatsmaths.com/wp-content/uploads/2016/03/pursuit-triangle.jpgPursuit-trianglehttps://thatsmaths.com/wp-content/uploads/2016/03/imaginarypowertower-spiral-21.jpgImaginaryPowerTower-Spiral-21https://thatsmaths.com/wp-content/uploads/2016/03/imaginarypowertower-spiral-20.jpgImaginaryPowerTower-Spiral-202016-04-14T13:51:59+00:00monthlyhttps://thatsmaths.com/2016/04/14/the-power-tower-fractal/https://thatsmaths.com/wp-content/uploads/2016/04/ptf-5and6.jpgPTF-5and6https://thatsmaths.com/wp-content/uploads/2016/04/ptf-3and4.jpgPTF-3and4https://thatsmaths.com/wp-content/uploads/2016/04/ptf-1and2.jpgPTF-1and2https://thatsmaths.com/wp-content/uploads/2016/04/ptf7.jpgPTF72016-04-14T10:35:23+00:00monthlyhttps://thatsmaths.com/2016/04/07/the-search-is-on-for-planet-nine/https://thatsmaths.com/wp-content/uploads/2016/04/batygin-brown-02.jpgBatygin-Brown-02https://thatsmaths.com/wp-content/uploads/2016/04/planet-nine-orbit-plots.jpgPlanet-Nine-Orbit-Plots2016-04-07T07:51:12+00:00monthlyhttps://thatsmaths.com/2016/03/24/the-imaginary-power-tower/https://thatsmaths.com/wp-content/uploads/2016/03/imaginarypowertower-spiral3.jpgImaginaryPowerTower-Spiral3https://thatsmaths.com/wp-content/uploads/2016/03/imaginarypowertower-spiral1.jpgImaginaryPowerTower-Spiral12016-03-31T09:26:06+00:00monthlyhttps://thatsmaths.com/2016/03/17/computus-dating-the-resurrection/https://thatsmaths.com/wp-content/uploads/2016/03/iona-abbey.jpgIona-Abbeyhttps://thatsmaths.com/wp-content/uploads/2016/03/dionysius-exiguus.jpgDionysius-Exiguushttps://thatsmaths.com/wp-content/uploads/2016/03/easter-distribution.pngEaster-Distribution2016-03-17T08:07:24+00:00monthlyhttps://thatsmaths.com/2016/03/10/peano-music/https://thatsmaths.com/wp-content/uploads/2016/03/giuseppe-peano.jpgGiuseppe-Peanohttps://thatsmaths.com/wp-content/uploads/2016/03/peano-music-02.jpgPeano-Music-02https://thatsmaths.com/wp-content/uploads/2016/03/peano-axioms.jpgPeano-Axioms2016-03-10T08:38:43+00:00monthlyhttps://thatsmaths.com/2016/03/03/the-abel-prize-the-nobel-prize-for-mathematics/https://thatsmaths.com/wp-content/uploads/2016/03/abel-notebook.jpgAbel-Notebookhttps://thatsmaths.com/wp-content/uploads/2016/03/king-harald-v.jpgKing-Harald-Vhttps://thatsmaths.com/wp-content/uploads/2016/03/abel-prize-medal.jpgAbel-Prize-Medalhttps://thatsmaths.com/wp-content/uploads/2016/03/abel-stamp.jpegAbel-Stamp2016-03-03T09:30:15+00:00monthlyhttps://thatsmaths.com/2016/02/25/bertrands-chord-problem/https://thatsmaths.com/wp-content/uploads/2016/02/bertrand-03.jpgBertrand-03https://thatsmaths.com/wp-content/uploads/2016/02/bertrand-02.jpgBertrand-02https://thatsmaths.com/wp-content/uploads/2016/02/bertrand-01.jpgBertrand-01https://thatsmaths.com/wp-content/uploads/2016/02/bertrand-00.jpgBertrand-002016-02-25T08:43:33+00:00monthlyhttps://thatsmaths.com/2016/02/18/vanishing-zigzags-of-unbounded-length/https://thatsmaths.com/wp-content/uploads/2016/02/kangaroo-frog-04.jpgKangaroo-Frog-04https://thatsmaths.com/wp-content/uploads/2016/02/kangaroo-frog-03.jpgKangaroo-Frog-03https://thatsmaths.com/wp-content/uploads/2016/02/kangaroo-frog-02.jpgKangaroo-Frog-02https://thatsmaths.com/wp-content/uploads/2016/02/kangaroo-frog-01.jpgKangaroo-Frog-012016-02-18T13:09:07+00:00monthlyhttps://thatsmaths.com/2016/02/11/franc-carreau-or-fair-square/https://thatsmaths.com/wp-content/uploads/2016/02/buffon-portrait-small.jpgBuffon-Portrait-Smallhttps://thatsmaths.com/wp-content/uploads/2016/02/franc-carreau-02.jpgFranc-Carreau-02https://thatsmaths.com/wp-content/uploads/2016/02/franc-carreau-01.jpgFranc-Carreau-012016-02-11T09:07:35+00:00monthlyhttps://thatsmaths.com/2016/02/04/the-mathematics-of-voting/https://thatsmaths.com/wp-content/uploads/2016/01/voting-table-4.pngVoting-Table-4https://thatsmaths.com/wp-content/uploads/2016/01/voting-table-3.pngVoting-Table-3https://thatsmaths.com/wp-content/uploads/2016/01/voting-table-2.pngVoting-Table-2https://thatsmaths.com/wp-content/uploads/2016/01/voting-table-1.pngVoting-Table-1https://thatsmaths.com/wp-content/uploads/2016/01/condorcet.pngCondorcethttps://thatsmaths.com/wp-content/uploads/2016/01/rock-paper-scissors.pngRock-Paper-Scissors2016-02-04T10:14:11+00:00monthlyhttps://thatsmaths.com/2016/01/28/prime-number-record-smashed-again/https://thatsmaths.com/wp-content/uploads/2016/01/primes-from-1975.gifPrimes-From-1975https://thatsmaths.com/wp-content/uploads/2016/01/llt-program.pngLLT-Programhttps://thatsmaths.com/wp-content/uploads/2016/01/llt-table.pngLLT-Table2016-01-28T10:27:47+00:00monthlyhttps://thatsmaths.com/2016/01/21/entropy-piano-tuning/https://thatsmaths.com/wp-content/uploads/2016/01/ept-inharmonicity.pngEPT-Inharmonicityhttps://thatsmaths.com/wp-content/uploads/2016/01/ept-stretchcurve.jpgEPT-StretchCurve2016-01-21T17:15:16+00:00monthlyhttps://thatsmaths.com/2016/01/14/twin-peaks-entropy/https://thatsmaths.com/wp-content/uploads/2016/01/twinpeaksentropy.jpgTwinPeaksEntropyhttps://thatsmaths.com/wp-content/uploads/2016/01/twingaussianpeaks.jpgTwinGaussianPeaks2016-01-15T12:27:40+00:00monthlyhttps://thatsmaths.com/2016/01/07/richardsons-fantastic-forecast-factory/https://thatsmaths.com/wp-content/uploads/2016/01/rfff-fig-10a.jpgRFFF-Fig-10Ahttps://thatsmaths.com/wp-content/uploads/2016/01/rfff-fig-05.jpgRFFF-Fig-05https://thatsmaths.com/wp-content/uploads/2016/01/rfff-low-res.jpegrfff-LOW-RES2016-01-07T10:16:57+00:00monthlyhttps://thatsmaths.com/2015/12/31/squaring-the-circular-functions/https://thatsmaths.com/wp-content/uploads/2015/12/scf-snfunctions.jpgSCF-SnFunctionshttps://thatsmaths.com/wp-content/uploads/2015/12/scf-sinfracpowers.jpgSCF-SinFracPowershttps://thatsmaths.com/wp-content/uploads/2015/12/scf-fourier-sums.jpgSCF-Fourier-Sumshttps://thatsmaths.com/wp-content/uploads/2015/12/scf-tanhfunctions.jpgSCF-TanhFunctionshttps://thatsmaths.com/wp-content/uploads/2015/12/scf-step-square-tanh-sin.jpgSCF-Step-Square-Tanh-Sinhttps://thatsmaths.com/wp-content/uploads/2015/12/wild-functions-01.jpgWild-Functions-012015-12-31T09:53:07+00:00monthlyhttps://thatsmaths.com/2015/12/24/factorial-52-a-stirling-problem/https://thatsmaths.com/wp-content/uploads/2015/12/card-arc.jpgCard-Arc2015-12-24T10:20:50+00:00monthlyhttps://thatsmaths.com/2015/11/12/numbering-the-family-tree/https://thatsmaths.com/wp-content/uploads/2015/11/ahnentafel-numbers.jpgAhnentafel-Numbershttps://thatsmaths.com/wp-content/uploads/2015/11/ahnentafel-report.jpgAhnentafel-Reporthttps://thatsmaths.com/wp-content/uploads/2015/11/ahnentafel-chart.jpgAhnentafel-Chart2015-12-17T10:51:45+00:00monthlyhttps://thatsmaths.com/2015/12/17/how-many-christmas-gifts/https://thatsmaths.com/wp-content/uploads/2015/12/bauble-triangles.jpgBauble-Triangleshttps://thatsmaths.com/wp-content/uploads/2015/12/bauble-tetrahedron.jpgBauble-Tetrahedron2015-12-17T10:49:09+00:00monthlyhttps://thatsmaths.com/2015/12/10/the-ping-pong-pendulum/https://thatsmaths.com/wp-content/uploads/2015/12/ppp-dampedsoln.jpgPPP-DampedSolnhttps://thatsmaths.com/wp-content/uploads/2015/12/ppp-vpotential.jpgPPP-Vpotentialhttps://thatsmaths.com/wp-content/uploads/2015/12/ppp-symbols.jpgPPP-Symbolshttps://thatsmaths.com/wp-content/uploads/2015/12/ppp-arcs.jpgPPP-Arcshttps://thatsmaths.com/wp-content/uploads/2015/12/pingpongpendulum.jpgPingPongPendulum2015-12-14T11:57:17+00:00monthlyhttps://thatsmaths.com/2015/12/03/the-flight-of-a-golf-ball/https://thatsmaths.com/wp-content/uploads/2015/12/drag-crisis-04.jpgDrag-crisis-04https://thatsmaths.com/wp-content/uploads/2015/12/drag-crisis-03.jpgDrag-crisis-03https://thatsmaths.com/wp-content/uploads/2015/12/drag-crisis-01.jpgDrag-crisis-01https://thatsmaths.com/wp-content/uploads/2015/12/drag-crisis-02.jpgDrag-Crisis-022015-12-03T14:22:31+00:00monthlyhttps://thatsmaths.com/2015/11/26/lifes-a-drag-crisis/https://thatsmaths.com/wp-content/uploads/2015/11/drag-crisis-04.jpgDrag-Crisis-04Figure from NASA: https://www.grc.nasa.gov/www/K-12/airplane/dragsphere.htmlhttps://thatsmaths.com/wp-content/uploads/2015/11/drag-crisis-01.jpgDrag-Crisis-01https://thatsmaths.com/wp-content/uploads/2015/11/ludwig-prandtl.jpgLudwig-Prandtlhttps://thatsmaths.com/wp-content/uploads/2015/11/gustave-eiffel-1888.jpgGustave-Eiffel-18882015-11-26T12:04:05+00:00monthlyhttps://thatsmaths.com/2015/11/19/mathematics-solving-crimes/https://thatsmaths.com/wp-content/uploads/2015/11/holmes-watson-strandmag.jpgBook Illustration Depicting Sherlock Holmes and Dr. Watson in a Train Cabinhttps://thatsmaths.com/wp-content/uploads/2015/11/fornsicmaths-craigadam.jpgFornsicMaths-CraigAdam2015-11-19T14:21:52+00:00monthlyhttps://thatsmaths.com/2015/11/05/melencolia-an-enigma-for-half-a-millennium/https://thatsmaths.com/wp-content/uploads/2015/11/melancholia-polyhedron-small.jpgMelencolia I (B. 74; M., HOLL. 75)*engraving *24 x 18.8 cm*1514Melencolia I (B. 74; M., HOLL. 75) *engraving *24 x 18.8 cm *1514https://thatsmaths.com/wp-content/uploads/2015/11/melancholia-rainbow.jpgMelancholia-Rainbowhttps://thatsmaths.com/wp-content/uploads/2015/11/melancholia-magic-square.jpgMelencolia I (B. 74; M., HOLL. 75)*engraving *24 x 18.8 cm*1514Melencolia I (B. 74; M., HOLL. 75) *engraving *24 x 18.8 cm *1514https://thatsmaths.com/wp-content/uploads/2015/11/melancholia-i-small.jpgMelancholia-I-Small2015-11-05T09:47:41+00:00monthlyhttps://thatsmaths.com/2015/10/29/mowing-the-lawn-in-spirals/https://thatsmaths.com/wp-content/uploads/2015/10/spirals-two.jpgSpirals-TwoLeft: Archimedean spiral. Right: Involute of a circle.https://thatsmaths.com/wp-content/uploads/2015/10/nautiluscutawaylogarithmicspiral.jpgNautilusCutawayLogarithmicSpiralNautilus shell with the form of a logarithmic spiral [image from the user Chris 73, freely available from Wikimedia Commons].https://thatsmaths.com/wp-content/uploads/2015/10/spirals-three.jpgSpirals-ThreeLeft: Archimedean spiral. Centre: Fermat spiral. Right: Hyperbolic spiral.2015-10-29T11:21:46+00:00monthlyhttps://thatsmaths.com/2015/10/22/a-few-wild-functions/https://thatsmaths.com/wp-content/uploads/2015/10/wild-functions-06.jpgWild-Functions-06The function {y=x^2\sin 1/x^2} looks fine near {x=0}. The derivative is unbounded near {x=0}, yet {y^\prime(0)=0}.https://thatsmaths.com/wp-content/uploads/2015/10/wild-functions-05.jpgWild-Functions-05The function {y=x^2\sin 1/x} looks fine near {x=0}. The derivative oscillates wildly but does not blows up.https://thatsmaths.com/wp-content/uploads/2015/10/wild-functions-04.jpgWild-Functions-04The function {y=x\sin 1/x} looks fine near {x=0}, but the derivative blows up.https://thatsmaths.com/wp-content/uploads/2015/10/wild-functions-03.jpgWild-Functions-03The function {y=\sin 1/x} gets wild near {x=0}.https://thatsmaths.com/wp-content/uploads/2015/10/wild-functions-02.jpgWild-Functions-02The function {y=\sin x^2}, a so-called chirp function.https://thatsmaths.com/wp-content/uploads/2015/10/wild-functions-01.jpgWild-Functions-01The sine function, the essence of good behaviour.2015-10-22T06:12:44+00:00monthlyhttps://thatsmaths.com/2015/10/15/its-a-small-networked-world/https://thatsmaths.com/wp-content/uploads/2015/10/twitter-network-6.pngTwitter-Network-6Detail of a Twitter communications network. Image from: https://dhs.stanford.edu/gephi-workshop/twitter-network-gallery/ 2015-10-15T06:35:40+00:00monthlyhttps://thatsmaths.com/2015/10/08/which-way-did-the-bicycle-go/https://thatsmaths.com/wp-content/uploads/2015/10/bicycle-wiggles.jpgBicycle-WigglesLeft: Tracks of front wheel (red) and back wheel (blue) for bicycle on a circular track. Centre: circular tracks with smaller radii. The area between the circles is still {\pi a^2}. Right: Schematic diagram of general case, where both wheels execute one full closed loop.https://thatsmaths.com/wp-content/uploads/2015/10/bicycle-tractrix.jpgBicycle-TractrixAs front wheel moves along the positive {x}-axis the back wheel, initially at {(0,a)}, follows a tractrix curve.https://thatsmaths.com/wp-content/uploads/2015/10/bicycle-02-flip.jpgBicycle-02-FLIPhttps://thatsmaths.com/wp-content/uploads/2015/10/bicycle-02.jpgBicycle-02https://thatsmaths.com/wp-content/uploads/2015/10/bicycle-01.jpgBicycle-01Tracks of the front wheel (solid red) and back wheel (dashed blue) of bicycle. The front wheel follows a simple sinusoidal path. The back track soon becomes sinusoidal with smaller amplitude.2015-10-08T07:52:02+00:00monthlyhttps://thatsmaths.com/2015/10/01/new-tricks-no-clicks/https://thatsmaths.com/wp-content/uploads/2015/09/compact-disc.pngCompact-DiscThe readable surface of a Compact Disc has a spiral track over 5 km in length.2015-10-01T07:37:42+00:00monthlyhttps://thatsmaths.com/2015/09/24/hammings-smart-error-correcting-codes/https://thatsmaths.com/wp-content/uploads/2015/09/hamming-7-4-ab.jpgHamming-7-4-ABhttps://thatsmaths.com/wp-content/uploads/2015/09/richard-hamming.jpgRichard-HammingRichard Hamming (1915 – 1998)2015-09-24T10:38:16+00:00monthlyhttps://thatsmaths.com/2015/09/17/the-ubiquitous-cycloid/https://thatsmaths.com/wp-content/uploads/2015/09/kimbell-cycloid-arch.jpgKimbell-Cycloid-ArchCycloidal arch at the Kimbell Art Museum, Forth Worth, TX.https://thatsmaths.com/wp-content/uploads/2015/09/cycloid-bicycle.jpgCycloid-BicycleTimelapse image of bike with two lights on the wheel-rims. Photo from Webpage of Alexandre Wagemakers. https://thatsmaths.com/wp-content/uploads/2015/09/cycloids-3.jpgCycloids-3Three trochoids: a common cycloid (black), curtate cycloid (blue dashed) and prolate cycloid (red dotted).2015-09-17T09:37:16+00:00monthlyhttps://thatsmaths.com/2015/09/10/holbeins-anamorphic-skull/https://thatsmaths.com/wp-content/uploads/2015/09/garmin-anamorph.jpgGarmin-Anamorphhttps://thatsmaths.com/wp-content/uploads/2015/09/ambassadors-holbein-skull.jpgAmbassadors-Holbein-SkullA higher-resolution and more accurate depiction of the anamorphic skull in The Ambassadors. https://commons.wikimedia.org/wiki/File:Holbein_Skull.jpghttps://thatsmaths.com/wp-content/uploads/2015/09/ambassadors-detail04-clip.jpgAmbassadors-Detail04-cliphttps://thatsmaths.com/wp-content/uploads/2015/09/ambassadors-detail03-clip.jpgAmbassadors-Detail03-cliphttps://thatsmaths.com/wp-content/uploads/2015/09/ambassadors-detail03.jpgAmbassadors-Detail03https://thatsmaths.com/wp-content/uploads/2015/09/ambassadors-detail02.jpgAmbassadors-Detail02https://thatsmaths.com/wp-content/uploads/2015/09/ambassadors-detail01.jpgAmbassadors-Detail01https://thatsmaths.com/wp-content/uploads/2015/09/ambassadors-holbein-midres.jpgAmbassadors-Holbein-MidResDouble Portrait of Jean de Dinteville and Georges de Selve ("The Ambassadors"), Hans Holbein the Younger, 1533. Oil and tempera on oak, National Gallery, Londonhttps://thatsmaths.com/wp-content/uploads/2015/09/ambassadors-holbein-lores.jpgAmbassadors-Holbein-LoResDouble Portrait of Jean de Dinteville and Georges de Selve ("The Ambassadors"), Hans Holbein the Younger, 1533. Oil and tempera on oak, National Gallery, London2015-09-11T14:05:04+00:00monthlyhttps://thatsmaths.com/2015/09/03/james-joseph-sylvester/https://thatsmaths.com/wp-content/uploads/2015/08/sylvester-02.jpgSylvester-02J J Sylvester in later life.https://thatsmaths.com/wp-content/uploads/2015/08/sylvester-01.jpgSylvester-01J. J. Sylvester as a graduate of Trinity College Dublin.https://thatsmaths.com/wp-content/uploads/2015/08/sylvester-2panels.jpgSylvester-2PanelsJames Joseph Sylvester (1914-1897). Left: as a TCD graduate. Right: in later life.2015-09-03T07:18:54+00:00monthlyhttps://thatsmaths.com/2015/08/27/thomas-harriot-mathematician-astronomer-and-navigator/https://thatsmaths.com/wp-content/uploads/2015/08/no-smoking-sign.jpgNo-Smoking-Signhttps://thatsmaths.com/wp-content/uploads/2015/08/raleigh-harriot.jpgRaleigh-HarriotThomas Harriot (1560 - 1621)2015-08-27T10:27:07+00:00monthlyhttps://thatsmaths.com/2015/08/20/the-great-american-eclipse/https://thatsmaths.com/wp-content/uploads/2015/08/usno-2017-eclipse-map.jpgUSNO-2017-Eclipse-MapPath of the 2017 Total Solar Eclipse. Image: USNO [http://aa.usno.navy.mil/data/docs/Eclipse2017.php]https://thatsmaths.com/wp-content/uploads/2015/08/tse2017_stereographic-trim1.jpgTSE2017_stereographic-TRIMhttps://thatsmaths.com/wp-content/uploads/2015/08/tse2017_stereographic-trim.jpgTSE2017_stereographic-TRIMPath of totality of solar eclipse, Monday 21 August 2017 [Image downloaded from http://eclipse-maps.com/Eclipse-Maps/Gallery/Pages/Total_solar_eclipse_of_2017_August_21_files/Media/TSE2017_stereographic/TSE2017_stereographic.jpg ]https://thatsmaths.com/wp-content/uploads/2015/08/304_lunar_transit_14-00_ut_0-trim.jpg304_lunar_transit_14-00_ut_0-TRIMMoon between NASA’s Solar Dynamics Observatory and the Sun, giving a partial solar eclipse from space on Jan. 30, 2014. Image NASA.2015-08-20T07:39:11+00:00monthlyhttps://thatsmaths.com/2015/08/13/buffon-was-no-buffoon/https://thatsmaths.com/wp-content/uploads/2015/08/buffon-table.jpgBuffon-Tablehttps://thatsmaths.com/wp-content/uploads/2015/08/buffon-three-panels.jpegBuffon-Three-PanelsSimulated Monte Carlo trials of th e Buffon needle experiment with (from left to right) $latex {n\in\{100,1000,10000\}}&fg=000000$.https://thatsmaths.com/wp-content/uploads/2015/08/buffon-01.jpgBuffon-01{In the $latex {(\theta,y)}&fg=000000$-plane, the shaded region corresponds to crossings of the needle.2015-08-14T13:06:00+00:00monthlyhttps://thatsmaths.com/2015/08/04/the-bridges-of-paris/https://thatsmaths.com/wp-content/uploads/2015/08/amsterdam-map-1835.jpgAmsterdam-Map-1835https://thatsmaths.com/wp-content/uploads/2015/08/stpetersburg.jpgStPetersburghttps://thatsmaths.com/wp-content/uploads/2015/08/bridges-of-paris-00.jpgBridges-of-Paris-00Image from Wikimedia Commons.https://thatsmaths.com/wp-content/uploads/2015/08/bridges-of-paris-01.jpgBridges-of-Paris-012015-08-06T11:11:30+00:00monthlyhttps://thatsmaths.com/2015/07/28/who-needs-eircode/https://thatsmaths.com/wp-content/uploads/2015/07/osi-homepage.jpgOSI-HomepageOSi Home page with link to interactive map.https://thatsmaths.com/wp-content/uploads/2015/07/hex-table.jpgHex-Tablehttps://thatsmaths.com/wp-content/uploads/2015/07/osi-map.jpgOSI-MAPOSi Mapviewer. XY coordinates indicated at bottom left.2015-07-30T13:26:43+00:00monthlyhttps://thatsmaths.com/2015/07/23/bent-coins-what-are-the-odds/https://thatsmaths.com/wp-content/uploads/2015/07/bent-coin-2.jpgBent-Coin-2https://thatsmaths.com/wp-content/uploads/2015/07/bent-coin.jpgBent-Coinhttps://thatsmaths.com/wp-content/uploads/2015/07/posterior.jpgPosteriorThe posterior probability P(p|h) for h=20 and n=50.2015-07-23T12:20:19+00:00monthlyhttps://thatsmaths.com/2015/07/16/rt60-and-acoustic-excellence/https://thatsmaths.com/wp-content/uploads/2015/07/sabine.jpgSabineWallace Clement Sabine (1868 – 1919) [Image: Wikimedia Commons]https://thatsmaths.com/wp-content/uploads/2015/07/boston-symphony-hall-lores.jpgBoston-Symphony-Hall-LORESBoston Symphony Hall. Image downloaded from website: http://www.gourmetcaterers.com/exclusive-venues/symphony-hall2015-07-16T09:35:58+00:00monthlyhttps://thatsmaths.com/2015/07/09/fun-and-games-on-a-honeycombed-rhomboard/https://thatsmaths.com/wp-content/uploads/2015/07/hex-boards-doolittle.jpgHex-Boards-DoolittleClick for larger version.https://thatsmaths.com/wp-content/uploads/2015/07/pex-board.jpgPex-Board11 x 11 Pex board. Image from http://www.iggamecenter.com/https://thatsmaths.com/wp-content/uploads/2015/07/piet-hein-john-nash.jpgPiet-Hein-John-NashLeft: Piet Hein (1905-1996). Right: John Nash (1928-2015).https://thatsmaths.com/wp-content/uploads/2015/07/hex-board.jpgHex-Board11 x 11 Hex Board. Image from http://www.iggamecenter.com/2015-07-09T06:26:45+00:00monthlyhttps://thatsmaths.com/2015/07/02/plutos-unruly-family/https://thatsmaths.com/wp-content/uploads/2015/06/plutoandmoons.jpgPlutoAndMoonsFour tiny moons (on left) orbit the binary system of Pluto (top right) and Charon.https://thatsmaths.com/wp-content/uploads/2015/06/pluto-new-horizons.jpgPluto-New-HorizonsArtist's impression of the New Horizons probe at Pluto flyby [NASA image].https://thatsmaths.com/wp-content/uploads/2015/06/pluto-new-horizons-2.gifPluto-New-Horizons-2New Horizons hopes to explore the Kuiper Belt beyond Pluto [Image NASA]2015-07-02T06:48:13+00:00monthlyhttps://thatsmaths.com/2015/06/18/emmy-noethers-beautiful-theorem/https://thatsmaths.com/wp-content/uploads/2015/06/noether-top.jpgNoether-TopEmmy Noether, 1882 - 1935https://thatsmaths.com/wp-content/uploads/2015/06/hypatia.jpgHypatiaDeath of the philosopher Hypatia, by Louis Figuier [Wikimedia Commons].2015-06-26T09:44:48+00:00monthlyhttps://thatsmaths.com/2015/06/25/increasingly-abstract-algebra/https://thatsmaths.com/wp-content/uploads/2015/06/zariski-grothendieck.jpgZariski-GrothendieckLeft: Oskar Zariski. Right: Alexander Grothendieckhttps://thatsmaths.com/wp-content/uploads/2015/06/galois-lie-noether.jpgGalois-Lie-NoetherEvariste Galois, Sophus Lie and Emmy Noether.2015-06-25T07:30:48+00:00monthlyhttps://thatsmaths.com/2015/06/11/game-theory-nash-equilibrium/https://thatsmaths.com/wp-content/uploads/2015/06/game-theory.jpgGame-TheoryTheory of games and economic behavior. Centre: John von Neumann. Right: Oskar Morgenstern.https://thatsmaths.com/wp-content/uploads/2015/06/acme-bril.jpgAcme-Bril2015-06-11T14:01:16+00:00monthlyhttps://thatsmaths.com/2015/06/04/the-tragic-demise-of-a-beautiful-mind/https://thatsmaths.com/wp-content/uploads/2015/06/john-nash.jpegJohn-NashJohn Forbes Nash. Born: 13 June 1928. Died: 23 May 2015https://thatsmaths.com/wp-content/uploads/2015/06/beautiful-mind-poster.jpgBeautiful-Mind-PosterRussell Crowe as John Nash in the movie A Beautiful Mind.2015-06-04T08:57:21+00:00monthlyhttps://thatsmaths.com/2015/05/28/maps-on-the-web/https://thatsmaths.com/wp-content/uploads/2015/05/wm-vs-merc-detail.jpgWM-vs-Merc-Detailhttps://thatsmaths.com/wp-content/uploads/2015/05/google-world-map.jpgGoogle-World-MapWeb Mercator projection of the world [from \url{maps.google.com}].https://thatsmaths.com/wp-content/uploads/2015/05/mercator-tissot.jpgMercator-TissotMercator projection with Tissot‘s <em>indicatrices</em> showing the areal distortion [Image: Wikimedia Commons. Author Stefan Kühn].https://thatsmaths.com/wp-content/uploads/2015/05/wm-vs-mercator.jpgWM-vs-MercatorExample of Overlaying Ellipsoid Mercator (blue) and Web Mercator (red). [Image from National Geospatial Intelligence Agency Report, 2014]2015-06-02T18:09:50+00:00monthlyhttps://thatsmaths.com/2015/05/21/mercators-marvellous-map/https://thatsmaths.com/wp-content/uploads/2015/05/mercator-norm-trans.jpgMercator-Norm-TransLeft: Normal Mercator projection. Right: Transverse Mercator projection, tangent along Greenwich meridian and date line.https://thatsmaths.com/wp-content/uploads/2015/05/mercator-projection-75deg.jpgMercator-Projection-75degMercator projection of the Earth, truncated at 75 degrees North and South [Wikimedia Commons, author: Strebe].2015-05-21T04:11:30+00:00monthlyhttps://thatsmaths.com/2015/05/07/modelling-the-markets/https://thatsmaths.com/wp-content/uploads/2015/04/dow-jones-2010-may-6.jpgDow-Jones-2010-May-6Dow-Jones Industrial Aversge for 6 May 2010. Graphic adapted from Sunday Times, 26 April, 2015.https://thatsmaths.com/wp-content/uploads/2015/04/black-scholes-equation.jpgBlack-Scholes-Equation2015-05-18T15:37:45+00:00monthlyhttps://thatsmaths.com/2015/05/14/eccentric-pizza-slices/https://thatsmaths.com/wp-content/uploads/2015/05/mass-logo.jpgMASS-logohttps://thatsmaths.com/wp-content/uploads/2015/05/pizzaslices2.jpgPizzaSlices2https://thatsmaths.com/wp-content/uploads/2015/05/pizza-with-various-toppings.jpgPizza-with-various-toppingsA pizza with various toppings. Image: Pizza Masetti Craiova, Romania (Flickr) [CC BY 2.0 (http://creativecommons.org/licenses/by/2.0)], via Wikimedia Commons.2015-05-14T07:24:30+00:00monthlyhttps://thatsmaths.com/2015/04/30/brouwers-fixed-point-theorem/https://thatsmaths.com/wp-content/uploads/2015/04/brouwer-poincare.jpgBrouwer-PoincareLeft: Luitzen Brouwer. Right: Henri Poincare.https://thatsmaths.com/wp-content/uploads/2015/04/climber-up-and-down.jpgClimber-Up-And-Downhttps://thatsmaths.com/wp-content/uploads/2015/04/climber-up-then-down.jpgClimber-Up-Then-Down2015-04-30T08:32:33+00:00monthlyhttps://thatsmaths.com/2015/04/23/tap-tap-tap-the-cosine-button/https://thatsmaths.com/wp-content/uploads/2015/04/coscoscos.jpgCosCosCoshttps://thatsmaths.com/wp-content/uploads/2015/04/cobweb.jpgCobWebhttps://thatsmaths.com/wp-content/uploads/2015/04/cosdia.jpgCosDia2015-04-23T07:19:01+00:00monthlyhttps://thatsmaths.com/2015/04/16/for-good-comms-leaky-cables-are-best/https://thatsmaths.com/wp-content/uploads/2015/04/atlantic-telegraph-map.jpgAtlantic-Telegraph-Maphttps://thatsmaths.com/wp-content/uploads/2015/04/telegraph-equation-v.jpgTelegraph-Equation-Vhttps://thatsmaths.com/wp-content/uploads/2015/04/valentia-telegraph-small.jpgValentia-Telegraph-SmallMemorial at Valentia Island to mark the laying of the transatlantic cable to Newfoundland. Made of Valentia slate and designed by local sculptor Alan Ryan Hall. Photograph: John Flanagan (Wikimedia Commons). https://thatsmaths.com/wp-content/uploads/2015/04/ss-great-eastern.jpgSS-Great-EasternThe SS Great Eastern, captained by Robert Halpin, that laid Transatlantic telegraph cables. Image from http://www.shipbucket.com2015-04-16T03:41:43+00:00monthlyhttps://thatsmaths.com/2015/04/09/the-hodograph/https://thatsmaths.com/wp-content/uploads/2015/04/ekmanspiralequation.jpgEkmanSpiralEquationhttps://thatsmaths.com/wp-content/uploads/2015/04/thermalwind.jpgThermalWindhttps://thatsmaths.com/wp-content/uploads/2015/04/hodograph-kepler.jpgHodograph-KeplerKeplerian orbit of a planet and the velocity vectors in space (left), and hodograph of the velocity vector in velocity space (right). [from Butikov, 2000].https://thatsmaths.com/wp-content/uploads/2015/04/hodograph-ekman.jpgHodograph-EkmanEkman spiral of winds from zero at the Earth's surface to its “geostrophic” value, here (u, v) = (10, 0), at the top of the boundary layer.https://thatsmaths.com/wp-content/uploads/2015/04/hodograph-noaa.jpgHodograph-NOAAHodograph plot of wind vectors at five heights in the troposphere. This indicates vertical wind shear and also horizontal temperature gradients. Since the wind veers with height between V2 and V3, it is blowing warmer air north-eastwards to a colder region (image source: NOAA).2015-04-09T07:36:36+00:00monthlyhttps://thatsmaths.com/2015/04/02/mode-s-aircraft-data-improves-weather-forecasts/https://thatsmaths.com/wp-content/uploads/2015/03/modes.jpgModeS The air speed is A (blue), the wind speed is W (black) and the ground speed is G (red). Since the ground speed is the resultant (vector sum) of air speed and wind speed, a simple vector subtraction gives the wind speed: W= G – A. 2015-04-02T07:18:36+00:00monthlyhttps://thatsmaths.com/2015/03/26/golden-moments/https://thatsmaths.com/wp-content/uploads/2015/03/goldenmoments1.jpgGoldenMomentsThe first two golden moments following midnight.https://thatsmaths.com/wp-content/uploads/2015/03/goldenmoments.jpgGoldenMomentsThe first two golden moments after midnight. There are 44 such moments every day.https://thatsmaths.com/wp-content/uploads/2015/03/goldenangle.jpgGoldenAngle2015-03-26T08:26:58+00:00monthlyhttps://thatsmaths.com/2015/03/19/you-can-do-maths/2015-03-19T08:12:23+00:00monthlyhttps://thatsmaths.com/2015/03/12/a-king-of-infinite-space-euclid-i/https://thatsmaths.com/wp-content/uploads/2015/03/euclid-two.jpgEuclid-TWOEuclid. Left: panel from the Series Famous Men by Justus of Ghent. Right: Statue in the Oxford University Museum of Natural History.2015-03-12T13:56:05+00:00monthlyhttps://thatsmaths.com/2015/03/05/cafe-mathematics-in-lvov/https://thatsmaths.com/wp-content/uploads/2015/02/list-of-polish-mathematicians.jpgList-of-Polish-MathematiciansList of notable Polish mathematicians (from Wikipedia). Click for larger version.https://thatsmaths.com/wp-content/uploads/2015/02/scottish-cafe-lvov-oldnew.jpgScottish-Cafe-Lvov-OLDNEWThe Scottish Café, Lvov in earlier times (left), now Hotel Atlas in Lviv.(image Wikimedia Commons).2015-03-05T06:12:43+00:00monthlyhttps://thatsmaths.com/2015/02/26/the-birth-of-functional-analysis/https://thatsmaths.com/wp-content/uploads/2015/02/banach-photo.jpgBanach-PhotoStefan Banach (1892–1945)https://thatsmaths.com/wp-content/uploads/2015/02/banach-coinandstamp.jpgBanach-CoinAndStampA coin and a postage stamp commemorating Stefan Banach.2015-02-26T09:04:10+00:00monthlyhttps://thatsmaths.com/2015/02/19/mgp-tracing-our-mathematical-ancestry/https://thatsmaths.com/wp-content/uploads/2015/02/galileo-2-newton.jpgGalileo-2-NewtonThe connection between Galileo (1564-1642) and Newton (1642-1726) revealed by MGP.https://thatsmaths.com/wp-content/uploads/2015/02/mgp-k33.pngMGP-K33https://thatsmaths.com/wp-content/uploads/2015/02/mgp.jpgMGP2015-02-19T10:22:16+00:00monthlyhttps://thatsmaths.com/2015/02/12/the-klein-4-group/https://thatsmaths.com/wp-content/uploads/2015/02/klein-4-cayleytable.jpgKlein-4-CayleyTablehttps://thatsmaths.com/wp-content/uploads/2015/02/solitaire-positions.jpgSolitaire-PositionsInitial position (left) and the five possible final positions (right).https://thatsmaths.com/wp-content/uploads/2015/02/tone-row.jpgTone-rowA prime a tone row. Transformations are the retrograde, inversion and retrograde-inversion.https://thatsmaths.com/wp-content/uploads/2015/02/rri-cover-four-2d.jpgRRI-Cover-Four-2DThe four symmetric configurations of a book under 2D reflections and rotations.https://thatsmaths.com/wp-content/uploads/2015/02/rri-cover-four-3d.jpgRRI-Cover-Four-3DThe four symmetric configurations of a book under 3D rotations.}2015-02-13T10:52:40+00:00monthlyhttps://thatsmaths.com/2015/02/05/perelmans-theorem-who-wants-to-be-a-millionaire/https://thatsmaths.com/wp-content/uploads/2015/02/poincare-chair.jpgPoincare-Chairhttps://thatsmaths.com/wp-content/uploads/2015/02/perelman-grigori.jpgPerelman-GrigoriGrigori Perelman at Berkeley in 1993 [Image Wikimedia Commons]https://thatsmaths.com/wp-content/uploads/2015/02/simple-connectedness-1.jpgSimple-Connectedness-1A loop on a 2-sphere can be continuously shrunk to a point, and the surface is topologically equivalent to a 2-sphere. The Poincaré conjecture states that this is also true for a 3-dimensional manifolds [Image Wikimedia Commons]. 2015-02-06T14:57:02+00:00monthlyhttps://thatsmaths.com/2015/01/29/the-steiner-minimal-tree/https://thatsmaths.com/wp-content/uploads/2015/01/steinerboxes02.jpgSteinerBoxes02https://thatsmaths.com/wp-content/uploads/2015/01/steinerboxes01.jpgSteinerBoxes01https://thatsmaths.com/wp-content/uploads/2015/01/steiner-4point.jpgSteiner-4PointSolution of Steiner 4-point problem with soap film [from Courant and Robbins].https://thatsmaths.com/wp-content/uploads/2015/01/steinerboxes03.jpgSteinerBoxes03https://thatsmaths.com/wp-content/uploads/2015/01/germanynorthmap.jpgGermanyNorthMaphttps://thatsmaths.com/wp-content/uploads/2015/01/fermattorricellipoint.jpgFermatTorricelliPointhttps://thatsmaths.com/wp-content/uploads/2015/01/steiner-5point.jpgSteiner-5PointSolution of Steiner 5-point problem with soap film [from Courant and Robbins].2015-01-29T16:30:36+00:00monthlyhttps://thatsmaths.com/2015/01/22/plateaus-problem-and-double-bubbles/https://thatsmaths.com/wp-content/uploads/2015/01/doublebubble02.jpgDoubleBubble02https://thatsmaths.com/wp-content/uploads/2015/01/catenoidhelicoid.jpgCatenoidHelicoidCatenoid (left) and helicoid (right)https://thatsmaths.com/wp-content/uploads/2015/01/doublebubble01.jpgDoubleBubble01Computer-generated double bubble2015-01-22T08:41:28+00:00monthlyhttps://thatsmaths.com/2015/01/15/barcodes-and-qr-codes-zebra-stripes-and-leopard-spots/https://thatsmaths.com/wp-content/uploads/2015/01/qr-thatsmaths.pngQR-thatsmathsQR Code linking to this blog.https://thatsmaths.com/wp-content/uploads/2015/01/ean-13-barcode.jpgEAN-13-BarcodeEAN-13 barcode.2015-01-15T08:50:21+00:00monthlyhttps://thatsmaths.com/2015/01/08/seifert-surfaces-for-knots-and-links/https://thatsmaths.com/wp-content/uploads/2015/01/trefoils-03-04.jpgTrefoils-03-04Another view of the trefoil knot and its Seifert surface, drawn with SeifertView. Right: the Seifert surface with its boundary knot removed. It is like two disks joined by three bands, each with a half-twist.https://thatsmaths.com/wp-content/uploads/2015/01/trefoils-01-02.jpgTrefoils-01-02The trefoil knot (left) is a simple overhand knot with the ends joined. There are left-handed and right-handed versions, which are not equivalent. Right: a Seifert surface is a smooth compact connected and non-self-intersecting surface whose only boundary component is the trefoil knot.https://thatsmaths.com/wp-content/uploads/2015/01/links-three.jpgLinks-ThreeSimple links. Left: the unlink. Centre: the Hopf link. Right: the Borromean rings.https://thatsmaths.com/wp-content/uploads/2015/01/knots-three.jpgKnots-ThreeSimple knots. On the left is the unknot. Centre and right are a trefoil knot and its mirror image.https://thatsmaths.com/wp-content/uploads/2015/01/knots-vanwijk.jpgKnots-VanWijkFrom left to right: Figure-of-8 knot 4_1, knot 6_3 , knot 7_1, and knot 8_5 [Fig from Van Wijk (2006)].2015-01-08T09:06:48+00:00monthlyhttps://thatsmaths.com/2015/01/01/the-mactutor-archive/https://thatsmaths.com/wp-content/uploads/2014/12/mactutor-history-topics.jpgMacTutor-History-TopicsScreen image of the MacTutor page listing History Topics.2015-01-01T13:12:29+00:00monthlyhttps://thatsmaths.com/2015/01/01/2014-in-review/2015-01-01T13:09:18+00:00monthlyhttps://thatsmaths.com/2014/12/25/fermats-christmas-theorem/https://thatsmaths.com/wp-content/uploads/2014/12/girard-fermat.jpgGirard-FermatLeft: Albert Girard (1595-1632). Right: Pierre de Fermat (1601-1665)2014-12-25T10:14:09+00:00monthlyhttps://thatsmaths.com/2014/12/18/information-theory/https://thatsmaths.com/wp-content/uploads/2014/12/claudeshannoninfo.jpgClaudeShannon+INFOLeft: An equation form Shannon (1948), the paper that launched Information Theory. Right: Claude Shannon (1916-2001) ©Alcatel-Lucent. https://thatsmaths.com/wp-content/uploads/2014/12/inverseeightcurve1.jpgInverseEightCurve2014-12-18T09:07:14+00:00monthlyhttps://thatsmaths.com/2014/12/11/new-curves-for-old-inversion/https://thatsmaths.com/wp-content/uploads/2014/12/riemann-sphere-1.jpgRiemann-sphere-1Stereographic mapping of the plane onto the Riemann sphere. Image Jean-Christophe Benoist, Wikipedia.https://thatsmaths.com/wp-content/uploads/2014/12/hyplim.jpgHypLimHyperbola {x^2-y^2=1} and its inverse {({x^\prime}^2+{y^\prime}^2)^2 = {x^\prime}^2-{y^\prime}^2}, the lemniscate of Bernoulli.https://thatsmaths.com/wp-content/uploads/2014/12/inverseconics.jpgInverseConicsConic sections (blue curves) and their inverses wrt the focus (green curves). Left: {e1}, hyperbola. The inverse curves are limaçons. For the parabola the inverse is a cardioid.https://thatsmaths.com/wp-content/uploads/2014/12/inverseeightcurve.jpgInverseEightCurve{Lemniscate centred at {(2,0 )} (blue) and its inverse (green) wrt the unit circle centred at the origin.2014-12-11T07:43:54+00:00monthlyhttps://thatsmaths.com/2014/12/04/the-year-of-george-boole/https://thatsmaths.com/wp-content/uploads/2014/12/george-boole-small.jpgGeorge-Boole-SmallGeorge Boole (1815-1864).https://thatsmaths.com/wp-content/uploads/2014/12/boole-year-ucc-small.jpgBoole-Year-UCC-Small2014-12-04T08:49:49+00:00monthlyhttps://thatsmaths.com/2014/11/27/falling-bodies-2-philae/https://thatsmaths.com/wp-content/uploads/2014/11/comet-67p-11aug2014.jpgComet-67P-11Aug2014Comet 67P/Churyumov-Gerasimenko on 11 August 2014. The landing site is on the smaller knob, near the top of the image. Photo copyright ESA.2014-12-01T13:23:46+00:00monthlyhttps://thatsmaths.com/2014/11/13/falling-bodies-1/https://thatsmaths.com/wp-content/uploads/2014/11/galileo-and-tower.jpgGalileo-and-TowerLeft: Galileo. Right: The Leaning Tower of Pisahttps://thatsmaths.com/wp-content/uploads/2014/11/aristotle-galileo.jpgAristotle-GalileoAristotle and Galileo.2014-11-27T09:04:50+00:00monthlyhttps://thatsmaths.com/2014/11/20/earths-shape-and-spin-wont-make-you-thin/https://thatsmaths.com/wp-content/uploads/2014/11/gravity-ellipsoids.jpgGravity-EllipsoidsEllipsoidal models of the Cassinis (left) and of Newton and Huygens (right). 128 All angles shown are equal, but they are not geocentric 129 [image from \url{http://www.ngs.noaa.gov/PUBS_LIB/Geodesy4Layman/TR80003A.HTM\#ZZ4}].https://thatsmaths.com/wp-content/uploads/2014/11/french-geodetic-mission-1.jpgFrench-Geodetic-Mission-1Finnish postage stamp featuring an image of Maupertuis, issued to commemorate 153 the 250th anniversary of the French Geodetic Mission to Lapland.https://thatsmaths.com/wp-content/uploads/2014/11/gravity-orange-lemon-small.jpgGravity-Orange-Lemon-SmallIs the Earth oblate like an orange (Newton) or prolate like a lemon (the Cassinis)?2014-11-22T17:28:46+00:00monthlyhttps://thatsmaths.com/2014/11/06/el-nino-likely-this-winter/https://thatsmaths.com/wp-content/uploads/2014/11/vallis-3eqns.jpgVallis-3EqnsLeft: Equations of Vallis' model. Right: the Lorenz 3 equation model.https://thatsmaths.com/wp-content/uploads/2014/11/enso-elnino-lanina.jpgENSO-ElNino-LaNinaLeft: ENSO warm phase (El Nino): Rainfall in mid-Pacific. Right: ENSO cold phase (El Nino): Rainfall in Indonesia.https://thatsmaths.com/wp-content/uploads/2014/11/enso-sst.jpgENSO-SSTPatterns of sea surface temperature during El Niño and La Niña episodes. Image courtesy of Climate.gov.2014-11-06T08:56:21+00:00monthlyhttps://thatsmaths.com/2014/10/30/light-weight/https://thatsmaths.com/wp-content/uploads/2014/10/asteroidorbit1.jpgAsteroidOrbitTrajectory of an asteroid A moving past the sun S on a hyperbolic orbit (from Gregory [2]).https://thatsmaths.com/wp-content/uploads/2014/10/starlight-bending.jpgStarlight-Bendinghttps://thatsmaths.com/wp-content/uploads/2014/10/solar-eclipse.jpgSolar-Eclipsehttps://thatsmaths.com/wp-content/uploads/2014/10/asteroidorbit.jpgAsteroidOrbitTrajectory of an asteroid A moving past the sun S on a hyperbolic orbit (from Gregory [2]).2014-10-30T08:52:21+00:00monthlyhttps://thatsmaths.com/2014/10/23/warings-problem-lagranges-four-square-theorem/https://thatsmaths.com/wp-content/uploads/2014/10/waring-edward.jpgWaring-EdwardEdward Waring (1736 –1798). Image: MacTutor History of Mathematics archive.}2014-10-23T07:20:16+00:00monthlyhttps://thatsmaths.com/2014/10/16/old-octonions-may-rule-the-world/https://thatsmaths.com/wp-content/uploads/2014/10/octonions.jpgOctonionsMultiplication table for octonions, of the formz=a+bi+cj+dk+eE+fI+gJ+hK [Source: http://jmc2008.wurzel.org/index.php/Main/Logo]2014-10-16T07:49:06+00:00monthlyhttps://thatsmaths.com/2014/10/09/triangular-numbers-eyphka/https://thatsmaths.com/wp-content/uploads/2014/10/sumoftriangnums.pngSumOfTriangNumsSum of triangular numbers T(4)=10 and T(5)=15 is a perfect square, 25.https://thatsmaths.com/wp-content/uploads/2014/10/bowling-pins.jpgBowling-Pinshttps://thatsmaths.com/wp-content/uploads/2014/10/sum1to100.pngSum1to1002014-10-09T08:18:14+00:00monthlyhttps://thatsmaths.com/2014/10/02/algebra-in-the-golden-age/https://thatsmaths.com/wp-content/uploads/2014/10/al-khwarizmi-stamp-and-book.jpgal-KhWarizmi-Stamp-and-BookLeft: Societ stamp commemorating al-Khwārizmī's 1200th birthday. RIght: A page from al-Khwārizmī's Al-Jebr.https://thatsmaths.com/wp-content/uploads/2014/10/cbl_ar_3035_f_105b106a-lores.jpgCBL_Ar_3035_f_105b106a-LoResIshaq ibn Hunayn's Arabic Translation of Euclid's Elements, AD 1270. CBL Ar 3035, ff.105b-106a © The Trustees of the Chester Beatty Library.2014-10-02T09:13:00+00:00monthlyhttps://thatsmaths.com/2014/09/25/curves-with-singularities/https://thatsmaths.com/wp-content/uploads/2014/09/caustic-coffee-cup.jpgCaustic-Coffee-CupOptical caustic on the liquid surface of a cup of coffee. A cusp can be seen in the cardioid curve.https://thatsmaths.com/wp-content/uploads/2014/09/cuspandloop.jpgcuspandloopTop: Cusp in function y^2 = x^3. Bottom: Loop in function y^2 = x^3 + x^2.https://thatsmaths.com/wp-content/uploads/2014/09/limacons.jpgLimaconsThree lima\c{c}ons illustrating double points. Left: Smooth curve {r=1.5+\cos\theta}. Centre: Cardioid {r=1.0+\cos\theta} with a a cusp at the origin. Right: Curve {r=0.5+\cos\theta} crosses itself at the originhttps://thatsmaths.com/wp-content/uploads/2014/09/slinky-photo2.jpgslinky-photo2Projection of slinky onto two dimensions has singular points.https://thatsmaths.com/wp-content/uploads/2014/09/slinky-photo1.jpgslinky-photo1Slinky traces a smooth helical curve in three dimensions.2014-09-25T13:07:08+00:00monthlyhttps://thatsmaths.com/2014/09/18/how-big-was-the-bomb/https://thatsmaths.com/wp-content/uploads/2014/09/gi-taylor-021.jpgGI-Taylor-02G. I. Taylorhttps://thatsmaths.com/wp-content/uploads/2014/09/trinity-test-soldiers.jpgTrinity-Test-SoldiersUS army soldiers watching the first test of an atomic weapon, the Trinity Test.https://thatsmaths.com/wp-content/uploads/2014/09/trinity-test-graph.jpgTrinity-Test-Graphhttps://thatsmaths.com/wp-content/uploads/2014/09/gi-taylor-02.jpgGI-Taylor-02Geoffrey Ingram Taylor (1886-1975).https://thatsmaths.com/wp-content/uploads/2014/09/trinity-test-photo.jpgTrinity-Test-PhotoThe expanding cloud of the Trinity Test, 16 July 1945.2014-09-18T07:25:19+00:00monthlyhttps://thatsmaths.com/2014/09/11/cartoon-curves/https://thatsmaths.com/wp-content/uploads/2014/09/cartoon-fivepanel.jpgCartoon-FivePanelPlots of the curve (x2 + y2 – 1)3 – x2y3 = α for α = {0.1, 0.0, -0.1, -0.2, -0.5} https://thatsmaths.com/wp-content/uploads/2014/09/werner-projection.jpgWerner-ProjectionPlot of a vorticity field on a Werner Projection.https://thatsmaths.com/wp-content/uploads/2014/09/cartoon-heart.jpgCartoon-Hearthttps://thatsmaths.com/wp-content/uploads/2014/09/cartoon-yogi-bear.jpgCartoon-Yogi-BearYogi Bear Curve. The Mathematica command to generate this is given below.2014-09-11T08:46:21+00:00monthlyhttps://thatsmaths.com/2014/08/14/do-you-remember-venn/https://thatsmaths.com/wp-content/uploads/2014/08/venn-with-window.jpgVenn-with-WindowRIght: John Venn (1834–1923) with signature. Left: Stained glass window at Gonville & Caius College showing Venn diagram [images Wikimedia Commons].https://thatsmaths.com/wp-content/uploads/2014/08/venn3colour.jpegVenn3colourhttps://thatsmaths.com/wp-content/uploads/2014/08/venn-intersection.pngVenn-IntersectionIntersection of sets.https://thatsmaths.com/wp-content/uploads/2014/08/venn-union.pngVenn-UnionUnion of sets2014-09-09T13:10:23+00:00monthlyhttps://thatsmaths.com/2014/09/04/the-biggest-harp-in-ireland/https://thatsmaths.com/wp-content/uploads/2014/08/samuel-beckett-bridge-wm-clipped.jpgSamuel-Beckett-Bridge-WM-Clipped Samuel Beckett Bridge, Dublin [Image from Wikimedia Commons. Photo by William Murphy]. https://thatsmaths.com/wp-content/uploads/2014/08/beckettbridge-harp.jpgBeckettBridge-HarpImage from TIger Dublin Fringe Festival website: http://fringefest.com/programme/harp-a-river-cantata Photo Credit: Ciara Corrigan2014-09-04T07:42:05+00:00monthlyhttps://thatsmaths.com/2014/08/28/temperamental-tuning/https://thatsmaths.com/wp-content/uploads/2014/08/piano-keyboard-1octave.pngPiano-Keyboard-1octavehttps://thatsmaths.com/wp-content/uploads/2014/08/tuning-justintonation.pngTuning-JustIntonationhttps://thatsmaths.com/wp-content/uploads/2014/08/circle-of-fifths.pngCircle-of-Fifthshttps://thatsmaths.com/wp-content/uploads/2014/08/tuning-pythagoras.pngTuning-Pythagoras2014-08-28T09:07:39+00:00monthlyhttps://thatsmaths.com/2014/08/21/biomathematics-the-new-frontier/https://thatsmaths.com/wp-content/uploads/2014/08/cancer-cell.jpgCancer-CellSystems Biology Ireland is designing new cancer treatments based on a systems-level, mechanistic understanding of cellular networkshttps://thatsmaths.com/wp-content/uploads/2014/08/sbi-wall-formulas-part.jpgSBI-Wall-Formulas-PARTBiological network modelled by Boris Kholodenko, SBI. [Frosted vinyl print on wall of SBI boardroom in UCD]2014-08-21T07:23:11+00:00monthlyhttps://thatsmaths.com/2014/08/07/come-see-the-spinning-globe/https://thatsmaths.com/wp-content/uploads/2014/08/foucault-flammarion.jpgFoucault-FlammarionReconstruction of Foucault's demonstration in 1902 (illustration from the cover of WIlliam Tobin's book [1]).https://thatsmaths.com/wp-content/uploads/2014/08/foucault-leon.jpgFoucault-LeonLeon Foucault (1819 - 1868) in 1867, aged forty-seven.https://thatsmaths.com/wp-content/uploads/2014/08/foucault-first-pendulum.jpgFoucault-First-PendulumEngraving in L'Illustration of Foucault's pendulum in the Panthéon in 1851.2014-08-07T07:43:09+00:00monthlyhttps://thatsmaths.com/2014/07/31/degrees-of-infinity/https://thatsmaths.com/wp-content/uploads/2014/07/georg-cantor1and2.jpgGeorg-Cantor1and2Georg Cantor (1845 – 1918) around 1870 (left) and in later life (right).https://thatsmaths.com/wp-content/uploads/2014/07/aleph0.pngAleph0Aleph-zero, the cardinality of the natural numbers and the smallest transfinite number.https://thatsmaths.com/wp-content/uploads/2014/07/onetoone-correspondence.pngOneToOne-Correspondence2014-07-31T08:30:55+00:00monthlyhttps://thatsmaths.com/2014/07/24/invention-or-discovery/2014-07-24T20:12:39+00:00monthlyhttps://thatsmaths.com/2014/07/17/digital-dentistry/https://thatsmaths.com/wp-content/uploads/2014/07/cerec-mill-midres.jpgCEREC-Mill-MidResHigh-precision mill for carving dental crowns.https://thatsmaths.com/wp-content/uploads/2014/07/cerec-mill-detail.jpgCEREC-Mill-DetailHigh-precision digitally-driven mill carving a dental crown from a solid ceramic block [photo from www.sirona.com].2014-07-17T07:36:09+00:00monthlyhttps://thatsmaths.com/2014/07/10/gausss-great-triangle-and-the-shape-of-space/https://thatsmaths.com/wp-content/uploads/2014/07/dreieck-03.jpgDreieck-03Gauss's great triangle.https://thatsmaths.com/wp-content/uploads/2014/07/gauss-dm10-2.jpgGauss-DM10-210 Deutschmark currency note (reverse).https://thatsmaths.com/wp-content/uploads/2014/07/gauss-dm10-1.jpgGauss-DM10-110 Deutschmark currency note2014-07-10T11:00:02+00:00monthlyhttps://thatsmaths.com/2014/02/27/the-prime-number-theorem/https://thatsmaths.com/wp-content/uploads/2014/02/primecounter.jpgprimecounterPrime counting function for n <= 100.https://thatsmaths.com/wp-content/uploads/2014/02/primedist.jpgprimedistThe thick black curve is the prime counting function {\pi(n)} for {2\le n\le 4000}. The blue curve below it is {n/\log n} and the red curve above is the logarithmic integral {\mathrm{Li}\,n}2014-07-03T21:30:28+00:00monthlyhttps://thatsmaths.com/2014/07/03/beauty-is-the-first-test/https://thatsmaths.com/wp-content/uploads/2014/06/kk03-oscillator-suresh-dutt.jpgSAMSUNG CAMERA PICTURESOscillator, an ingenious assembly of angled rhomboidal mirrors by Suresh Dutt.https://thatsmaths.com/wp-content/uploads/2014/06/kk01-indras-pearls-indigo-janice-gunner.jpgSAMSUNG CAMERA PICTURESIndra's Indigo, detail of a patchwork quilt by accomplished textile artist Janice Gunner.2014-07-03T08:22:19+00:00monthlyhttps://thatsmaths.com/2014/06/26/balancing-a-pencil/https://thatsmaths.com/wp-content/uploads/2014/06/pencil-droptime.jpgPencil-DroptimeDrop time for a bencil initially stationary with angle theta. The frequency is omega=10.https://thatsmaths.com/wp-content/uploads/2014/06/brush-and-pencil.jpgBrush-and-PencilEasy to balance a brush handle. Very hard to balance a pencil (this one is held up by a paper clip).https://thatsmaths.com/wp-content/uploads/2014/06/pendulum-periods.jpgPendulum-Periods{Complete elliptic integral and approximations for a range of values of {\theta}https://thatsmaths.com/wp-content/uploads/2014/06/balanced-pencil.jpgBalanced-PencilA pencil balanced on its point. Is there a trick? Yes: see below.2014-06-26T10:04:57+00:00monthlyhttps://thatsmaths.com/2014/06/19/when-did-hammurabi-reign/https://thatsmaths.com/wp-content/uploads/2014/06/hammurabi-and-codex.jpgHammurabi-and-CodexLeft: Image of Hammurabi in the US Congress. Right: Part of an inscription of the Code of Hammurabi.https://thatsmaths.com/wp-content/uploads/2014/06/hammurabi.jpgHammurabiHammurabi (standing) receiving his royal insignia from Shamash [image from Wikimedia Commons].2014-06-19T06:44:31+00:00monthlyhttps://thatsmaths.com/2014/06/12/biscuits-books-coins-and-cards-massive-hangovers/https://thatsmaths.com/wp-content/uploads/2014/06/stack-of-cards.jpgStack-of-Cardshttps://thatsmaths.com/wp-content/uploads/2014/06/stack-of-books.jpgStack-of-BooksTen volumes of the Encyclopedia Britannica.https://thatsmaths.com/wp-content/uploads/2014/06/stack-of-biscuits.jpgStack-of-BiscuitsTen chocolate gold grain biscuits, with a hangover of about one diameter.2014-06-12T04:38:38+00:00monthlyhttps://thatsmaths.com/2014/04/03/the-predictive-power-of-maths/https://thatsmaths.com/wp-content/uploads/2014/04/galaxies-merging.jpgGalaxies-Merginghttps://thatsmaths.com/wp-content/uploads/2014/04/leverrier-einstein.jpgLeverrier-EinsteinLEFT: Urbain Le Verrier. French physicist François Arago described him as “the man who discovered a planet with the point of his pen”. RIGHT: Albert Einstein (1879-1955) photographed in 1921 [Image Wikipedia].https://thatsmaths.com/wp-content/uploads/2014/04/adams-leverrier-cartoon.pngAdams-LeVerrier-CartoonControversy over who first predicted Neptune: a French cartoon showing Adams spying on Leverrier.2014-06-08T10:23:36+00:00monthlyhttps://thatsmaths.com/2014/06/05/sunflowers-and-fibonacci-models-of-efficiency/https://thatsmaths.com/wp-content/uploads/2014/06/auxin-conc.pngAuxin-concPseudocolor plot of auxin concentration (from Pennybacker, Matthew and Alan C. Newell, 2013).https://thatsmaths.com/wp-content/uploads/2014/06/auxin-pde.pngAuxin-PDEhttps://thatsmaths.com/wp-content/uploads/2014/06/sunflower3.jpgSunflower3Patterns generated by Fermat spiral with angle equal to golden number (centre), one degree less (left) and one degree greater (right).https://thatsmaths.com/wp-content/uploads/2014/06/ibec-logo-combo.jpgIbec-Logo-ComboLogo of Ibec (Irish Business & Employers COnfederation).https://thatsmaths.com/wp-content/uploads/2014/06/ibec-sunflower.jpgIbec-Sunflower2014-06-05T07:19:27+00:00monthlyhttps://thatsmaths.com/2014/05/29/the-high-power-hypar/https://thatsmaths.com/wp-content/uploads/2014/05/bicylinder.jpgBicylinderThe intersection of two perpendicular cylinders consists of two ellipses. The volume of the intersection is called a bicylinder.https://thatsmaths.com/wp-content/uploads/2014/05/pringle2.jpgPringleThe Tennis Ball curve, the intersection of two offset elliptic cylinders, and also of a sphere and hyperbolic paraboloid or hypar.https://thatsmaths.com/wp-content/uploads/2014/05/pringle1.jpgPringleThe Tennis Ball curve, the intersection of two offset elliptic cylinders, and also of a sphere and hyperbolic paraboloid or hypar.https://thatsmaths.com/wp-content/uploads/2014/05/pringle.jpgPringleThe Tennis Ball curve, the intersection of two offset elliptic cylinders, and also of a sphere and hyperbolic paraboloid or hypar.https://thatsmaths.com/wp-content/uploads/2014/05/hypar-roof-mid-res.jpgHypar-Roof-Mid-ResWarszawa Ochota railway station, a hypar structure [Image Wikimedia Commons].https://thatsmaths.com/wp-content/uploads/2014/05/50-visions.jpg50-Visions2014-05-29T13:44:37+00:00monthlyhttps://thatsmaths.com/2014/05/15/the-future-of-society-prosperity-or-collapse/https://thatsmaths.com/wp-content/uploads/2014/05/quo-vadimus.pngQuo-Vadimushttps://thatsmaths.com/wp-content/uploads/2014/05/handy-output.pngHANDY-OutputOscillatory approach to equilibrium, predicted by HANDY in the presence of both Workers and Non-Workers when the overshoot is not too large.2014-05-24T15:52:51+00:00monthlyhttps://thatsmaths.com/2014/05/22/the-chaos-game/https://thatsmaths.com/wp-content/uploads/2014/05/barnsleyfern.jpgBarnsleyFernBarnsley Fern after one million iterations.https://thatsmaths.com/wp-content/uploads/2014/05/barnsleyfern3panel.jpgBarnsleyFern3PanelBarnsley Fern generated by Chaos Game. Left to right: 1000, 10 000 and 100 000 points.https://thatsmaths.com/wp-content/uploads/2014/05/sierpinski64.jpgSierpinski64Sierpinski Gasket constructed by plotting only odd entries in first 4 rows of Pascal's Triangle.https://thatsmaths.com/wp-content/uploads/2014/05/sierpinski-gasket-construction.pngSierpinski-Gasket-ConstructionSierpinski Gasket: usual construction by trisection.https://thatsmaths.com/wp-content/uploads/2014/05/sierpinski.jpgSierpinskiSierpinski Gasket constructed with the Chaos Game. One million iterations, first 100 points omitted.https://thatsmaths.com/wp-content/uploads/2014/05/sierpinski-3panel.jpgSierpinski-3panelThe Chaos Game for three points at the vertices of an equilateral triangle. Output after 500, 1000 and 2000 steps.2014-05-22T08:52:15+00:00monthlyhttps://thatsmaths.com/2014/05/08/predator-prey-models/https://thatsmaths.com/wp-content/uploads/2014/05/predatorpreyt.jpgPredatorPreyTSolution for X(T) and Y(T) for 30 time units. X(0)=0.5, Y(0)=0.2 and k=0.5.https://thatsmaths.com/wp-content/uploads/2014/05/predatorprey-3k.jpgPredatorPrey-3kContours of Z=Const. Left: k=0.1, Middle: k=1.0. Right: k=10.https://thatsmaths.com/wp-content/uploads/2014/05/predatorprey1.jpgPredatorPrey1Phase-space for the Lotka-Volterra equations.2014-05-08T19:38:23+00:00monthlyhttps://thatsmaths.com/2014/05/01/the-faraday-of-statistics/https://thatsmaths.com/wp-content/uploads/2014/04/gosset-william.jpgGosset-WilliamWilliam Sealy Gosset (1876-1937) in 1908, the year he published his paper The Probable Error of a Mean [image from Wikimedia Commons].https://thatsmaths.com/wp-content/uploads/2014/04/gosset-plaque.jpgGosset-PlaquePlaque at St Patrick's National School, Hollypark, Blackrock, where William Gosset lived from 1913 to 1935.2014-05-01T07:41:49+00:00monthlyhttps://thatsmaths.com/2014/04/24/breaking-weather-records/https://thatsmaths.com/wp-content/uploads/2014/04/recordbreaks.jpgRecordBreaksNumber of redord values for 100 sequences, each with 1024 values. H(1024)=7.51.https://thatsmaths.com/wp-content/uploads/2014/04/harmonic-series.pngHarmonic-SeriesThe shaded area between 1 and n gives the sum of the harmonic series to term (1/n).2014-04-24T09:44:04+00:00monthlyhttps://thatsmaths.com/2014/04/17/clothoids-drive-us-round-the-bend/https://thatsmaths.com/wp-content/uploads/2014/04/m8-watergrasshill.jpgM8-WatergrasshillThe M8 approaching Watergrasshill in Cork [image from Wikimedia Commons].2014-04-19T14:36:03+00:00monthlyhttps://thatsmaths.com/2014/04/10/rollercoaster-loops/https://thatsmaths.com/wp-content/uploads/2014/04/rollercoaster-shockwave.jpgRollercoaster-ShockwaveVertical loop on the Shockwave coaster at Six Flags over Texas [image Wikimedia Commons].https://thatsmaths.com/wp-content/uploads/2014/04/cornuspiral.jpgCornuSpiralCornu spiral.https://thatsmaths.com/wp-content/uploads/2014/04/rollercoasterloops.pngRollerCoasterLoopsRollercoaster loops, showing high curvature near the top and lower values lower down.2014-04-11T06:25:15+00:00monthlyhttps://thatsmaths.com/2014/03/27/solar-system-perturbations/https://thatsmaths.com/wp-content/uploads/2014/03/solar-system-relative-masses.pngSolar-System-Relative-Masses2014-03-31T16:19:04+00:00monthlyhttps://thatsmaths.com/2014/03/20/the-unity-of-mathematics/https://thatsmaths.com/wp-content/uploads/2014/03/rene-descartes.jpgRene-DescartesRené Descartes, (1596-1650), dubbed The Father of Modern Philosophy, who introduced a coordinate system that unified algebra and geometry.2014-03-20T08:12:54+00:00monthlyhttps://thatsmaths.com/2014/03/13/the-langlands-program/https://thatsmaths.com/wp-content/uploads/2014/03/frenkel-book.jpgFrenkel-book"Love and Math", a recent book about the Langlands Program.https://thatsmaths.com/wp-content/uploads/2014/03/andre-weil.jpgAndre-WeilAndré Weil (1906-1998)https://thatsmaths.com/wp-content/uploads/2014/03/robert-langlands-small.jpgRobert-Langlands-smallCanadian mathematician Robert Langlands, who formulated a series of far-reaching conjectures.2014-03-14T09:30:00+00:00monthlyhttps://thatsmaths.com/2014/03/06/simulating-the-future-climate/https://thatsmaths.com/wp-content/uploads/2014/02/primitive-equations.jpgPrimitive-EquationsThe Primitive Equations, a coupled system of nonlinear partial differential equations that govern the dynamics of the atmosphere.https://thatsmaths.com/wp-content/uploads/2014/02/irish-climate-reports.jpgIrish-Climate-ReportsTwo recent reports on future climate conditions in Ireland [both available online at http://www.met.ie/publications/2014-03-06T11:30:41+00:00monthlyhttps://thatsmaths.com/2014/02/20/euclid-in-technicolor/https://thatsmaths.com/wp-content/uploads/2014/02/byrne-mondrian.jpgByrne-MondrianLeft: Diagram from Byrne's Euclid. Right: Composition by Piet Mondrian.https://thatsmaths.com/wp-content/uploads/2014/02/oliver-byrne-portrait.jpgOliver-Byrne-PortraitOliver Byrne (c. 1810-1890)https://thatsmaths.com/wp-content/uploads/2014/02/byrne-rietveld.jpgByrne-RietveldLeft: Oliver Byrne's diagram (1847) for the Theorem of Pythagoras. Right: Gerrit Rietveld's Red and Blue Chair, 1918.https://thatsmaths.com/wp-content/uploads/2014/02/byrne-cover-title.jpgByrne-Cover-Title2014-02-20T09:52:39+00:00monthlyhttps://thatsmaths.com/2014/02/13/speed-cubing-group-theory/https://thatsmaths.com/wp-content/uploads/2014/01/rubiks-superflip.pngRubiks-SuperflipSuperflip position: all cubies in position, corners correctly oriented and edges reversed.https://thatsmaths.com/wp-content/uploads/2014/01/rubiks-cube.pngRubiks-CubeRubik's Cube, invented in 1974 by Hungarian professor of architecture Ernő Rubik.2014-02-13T07:58:49+00:00monthlyhttps://thatsmaths.com/2014/02/06/french-curves-and-bezier-splines/https://thatsmaths.com/wp-content/uploads/2014/02/bezier-curves.jpgBezier-Curveshttps://thatsmaths.com/wp-content/uploads/2014/02/bernstein123.pngBernstein123https://thatsmaths.com/wp-content/uploads/2014/02/french-curve.jpgFrench-Curve2014-02-06T14:40:47+00:00monthlyhttps://thatsmaths.com/2014/01/30/bezouts-theorem/https://thatsmaths.com/wp-content/uploads/2014/01/bezout-cubic-quartic.jpgBezout-Cubic-QuarticLeft: Two cubics intersecting in 9 = 3x3 points. Right: a quadratic and quartic intersecting in 8 = 2x4 points.https://thatsmaths.com/wp-content/uploads/2014/01/etienne-bezout.jpgEtienne-BezoutÉtienne Bézout (1730–1783)https://thatsmaths.com/wp-content/uploads/2014/01/bezout-02.jpgBezout-02https://thatsmaths.com/wp-content/uploads/2014/01/bezout-01.jpgBezout-012014-01-30T11:47:32+00:00monthlyhttps://thatsmaths.com/2014/01/23/pythagorean-triples/https://thatsmaths.com/wp-content/uploads/2014/01/stereo-01.jpgStereo-01Mapping of rational points on unit circle to rational points on the real line.https://thatsmaths.com/wp-content/uploads/2014/01/plimpton-322.jpgPlimpton-322The Babylonian clay tablet known as Plimpton 322.https://thatsmaths.com/wp-content/uploads/2014/01/345-pythagoras.jpg345-PythagorasLeft: Right-angled triangle with sides of length 3, 4 and 5, made from 12 matches. Right: General Pythagorean triangle.2014-01-23T15:29:17+00:00monthlyhttps://thatsmaths.com/2014/01/16/robots-biology/https://thatsmaths.com/wp-content/uploads/2014/01/jellett-book-old-new.jpgJellett-Book-Old-NewJellett's book on friction published in Dublin in 1872 and Russian translation published in Izhevsk in 2009.https://thatsmaths.com/wp-content/uploads/2014/01/jellett.jpgJellettJohn Hewitt Jellett (1817–1888), Provost of Trinity College, Dublin.https://thatsmaths.com/wp-content/uploads/2014/01/accordion.pngAccordionAlexey Borisov on the accordion.2014-01-16T12:38:55+00:00monthlyhttps://thatsmaths.com/2012/08/12/napiers-nifty-rules/https://thatsmaths.com/wp-content/uploads/2012/08/napiers-rules.pngNapiers-RulesNapier's Rules for right spherical triangle (Wikipedia Commons)2014-01-13T10:56:15+00:00monthlyhttps://thatsmaths.com/2014/01/02/interesting-bores/https://thatsmaths.com/wp-content/uploads/2013/12/severn-bore-surfers.jpgSevern-bore-surfersSurfers on the Severn bore (photograph by Mark Humpage, with thanks)https://thatsmaths.com/wp-content/uploads/2013/12/hydraulic-jump-01.jpgHydraulic-Jump-01Characteristics of a hydraulic jump (image Wikimedia).2014-01-09T11:48:06+00:00monthlyhttps://thatsmaths.com/2014/01/09/white-holes-in-the-kitchen-sink/https://thatsmaths.com/wp-content/uploads/2014/01/white-hole-2.pngWhite-hole-2Experimental production of sink bore with viscous oil. Note the "Mach cone". 2014-01-09T11:45:53+00:00monthlyhttps://thatsmaths.com/2013/12/26/experiment-and-proof/2013-12-26T09:38:35+00:00monthlyhttps://thatsmaths.com/2013/12/19/santas-fractal-journey/https://thatsmaths.com/wp-content/uploads/2013/12/santa-and-moon.jpgSanta-and-Moon2013-12-19T12:23:08+00:00monthlyhttps://thatsmaths.com/2013/12/12/irelands-fractal-coastline/https://thatsmaths.com/wp-content/uploads/2013/12/fractal-coast.jpgFractal-CoastLog-log plot of length versus step-size (from [2]).https://thatsmaths.com/wp-content/uploads/2013/12/nw-se-ireland.jpgNW-SE-IrelandContrasting character of the NW and SE coasts (from Google Maps).https://thatsmaths.com/wp-content/uploads/2013/12/box-dimension.pngBox-DimensionThe Kerry coast with superimposed coarse grid (left) and fine grid (right). Only boxes intersecting the coast are shown (from [1]).https://thatsmaths.com/wp-content/uploads/2013/12/kochflake.pngKochFlakeThe Koch snowflake (image from Wikimedia)2013-12-13T09:38:19+00:00monthlyhttps://thatsmaths.com/2013/12/05/population-projections/https://thatsmaths.com/wp-content/uploads/2013/11/un-population-1950-2100.pngUN-population-1950-2100Projected populations of the world and its continents to 2100. Shaded regions correspond to the range of projections by the UN. 2013-12-05T10:09:55+00:00monthlyhttps://thatsmaths.com/2013/11/28/a-simple-growth-function/https://thatsmaths.com/wp-content/uploads/2013/11/growthrate.jpggrowthrateFunction {N(t) = N_0 \exp[t/(1+\gamma t)]} for three values of {\gamma}. Blue curve: {\gamma = 0}, exponential growth. Magenta curve: {\gamma = +1}, logistical growth, tending to a finite limit. Red curve: {\gamma = -1}, hyperbolic growth, blowing up at {t=1}.2013-11-28T16:19:51+00:00monthlyhttps://thatsmaths.com/2013/11/21/the-antikythera-mechanism/https://thatsmaths.com/wp-content/uploads/2013/11/antikythera-fragplusgears.jpgAntikythera-FragPlusGearsLeft: Fragment A of the Antikythera Mechanism. Right: Diagram of the gearing of the AM (courtesy of the Adler Planetarium, Chicago). https://thatsmaths.com/wp-content/uploads/2013/11/antikythera-map.pngAntikythera-MapAntikythera, between Crete and the Greek mainland (google maps). 2013-11-21T10:36:12+00:00monthlyhttps://thatsmaths.com/2013/11/14/the-watermelon-puzzle/https://thatsmaths.com/wp-content/uploads/2013/11/watermelons.jpgWatermelonsFigure: Weights. Upper panel: Total weight 100kg: 1kg pith (black) and 99kg water (grey). Lower panel: Total weight 50kg: 1kg pith (black) and 49kg water (grey). Percentages. Upper panel: 99kg water makes 99%. 1kg pith makes 1%. Lower panel: 49kg water makes 98%. 1kg pith makes 2%. The weight of pith does not change, but the percentage doubles. 2013-11-14T09:36:33+00:00monthlyhttps://thatsmaths.com/2013/11/07/eulers-gem/https://thatsmaths.com/wp-content/uploads/2013/11/trunc-icosa.jpgTrunc-icosaFootball based on the truncated icosahedron [image from Wikimedia Commons].2013-11-07T18:27:13+00:00monthlyhttps://thatsmaths.com/2013/10/31/hyperbolic-triangles-and-the-gauss-bonnet-theorem/https://thatsmaths.com/wp-content/uploads/2013/10/column-triangles.gifColumn-TrianglesGeodesic triangles with {\delta = \pi}. All three have area {A=\pi}https://thatsmaths.com/wp-content/uploads/2013/10/talon-triangles.gifTalon-TrianglesGeodesic triangles with {\delta = \pi/2}. All three have area {A=\pi/2}.https://thatsmaths.com/wp-content/uploads/2013/10/angel-triangles2.gifAngel-TrianglesGeodesic triangles in the Poincar\’{e} Half-plane. The two shaded triangles are similar and have the same area.https://thatsmaths.com/wp-content/uploads/2013/10/angel-triangles1.gifAngel-TrianglesGeodesic triangles in the Poincar\’{e} Half-plane. The two shaded triangles are similar and have the same area.https://thatsmaths.com/wp-content/uploads/2013/10/angel-triangles.gifAngel-TrianglesGeodesic triangles in the Poincare Half-plane. The two shaded triangles are similar and have the same area.2013-11-01T12:53:28+00:00monthlyhttps://thatsmaths.com/2013/10/24/poincares-half-plane-model-bis/https://thatsmaths.com/wp-content/uploads/2013/10/saddle-surface-curvature1.pngSaddle-surface-curvatureSaddle surface with tangent plane and normal planes in directions of principal curvatures [Wikimedia Commons].https://thatsmaths.com/wp-content/uploads/2013/10/saddle-surface-curvature.pngSaddle-surface-curvatureSaddle surface with tangent plane and normal planes in directions of principal curvatures [Wikimedia Commons].2013-10-24T08:58:07+00:00monthlyhttps://thatsmaths.com/2013/10/17/geometry-out-of-this-world/2013-10-17T07:46:05+00:00monthlyhttps://thatsmaths.com/2013/10/11/poincares-half-plane-model/https://thatsmaths.com/wp-content/uploads/2013/10/halfplaneparallels.jpgHalfPlaneParallelsBoth lines through P are parallel to the heavy line L. There are an infinite number of such lines through P parallel to L. https://thatsmaths.com/wp-content/uploads/2013/10/halfplane1.jpgHalfPlaneGeodesics in the Poincare Half-planehttps://thatsmaths.com/wp-content/uploads/2013/10/halfplane.jpgHalfPlaneGeodesics in the Poincare Half-plane2013-10-11T12:34:51+00:00monthlyhttps://thatsmaths.com/2013/10/03/the-simpler-the-better/https://thatsmaths.com/wp-content/uploads/2013/10/george-danzig-simplex.jpgGeorge-Danzig-SimplexLeft: George Danzig (1914-2005), the American mathematical scientist who devised linear programming and the simplex algorithm. Right: The simplex algorithm moves along the edges of the polytope until it reaches the optimum solution.2013-10-03T13:12:57+00:00monthlyhttps://thatsmaths.com/2013/09/26/a-mathematical-dynasty/https://thatsmaths.com/wp-content/uploads/2013/09/bernoullis.jpgBernoullisJakob (1654–1705), Johann (1667-1748) and Daniel Bernoulli (1700–1782).2013-09-26T20:25:38+00:00monthlyhttps://thatsmaths.com/2013/09/19/sonya-kovalevskaya-a-russian-genius/https://thatsmaths.com/wp-content/uploads/2013/09/sonya-kovalevskaya.jpgSonya-KovalevskayaSofia Kovalevskaya in 1880 [image from Wikimedia Commons]2013-09-20T07:29:36+00:00monthlyhttps://thatsmaths.com/2013/09/12/new-estimate-of-the-speed-of-light/2013-09-12T09:24:55+00:00monthlyhttps://thatsmaths.com/2013/09/05/irish-maths-week-2013/https://thatsmaths.com/wp-content/uploads/2013/09/logo_mw_2011.jpglogo_mw_20112013-09-05T08:38:17+00:00monthlyhttps://thatsmaths.com/2013/08/29/a-hole-through-the-earth/https://thatsmaths.com/wp-content/uploads/2013/08/hole-in-the-earth.jpgHole-in-the-EarthImage from The Strand Magazine, 1909: Camille Flammarion: A Hole through the Earth.2013-08-29T07:47:43+00:00monthlyhttps://thatsmaths.com/2013/08/22/ternary-variations/https://thatsmaths.com/wp-content/uploads/2013/08/smith-volterra-cantor-set.pngSmith-Volterra-Cantor-setThe first six stages in constructing the Smith-Volterra-Cantor set.https://thatsmaths.com/wp-content/uploads/2013/08/cantor-set.jpgCantor-setThe first seven stages in constructing the Cantor set.https://thatsmaths.com/wp-content/uploads/2013/08/cantor-set.pngCantor-setThe first seven stages in constructing the Cantor set.2013-08-27T11:23:45+00:00monthlyhttps://thatsmaths.com/2013/08/15/the-atmospheric-railway/https://thatsmaths.com/wp-content/uploads/2013/08/atmos-railway-twopics.jpgAtmos-Railway-TwopicsLeft: train leaving Kingstown. Right Pump-house at the Dalkey terminus [from Hadfield]https://thatsmaths.com/wp-content/uploads/2013/08/atmos-railway-roadsign.jpgSAMSUNGRoad sign at location of the old Dalkey terminus.2013-08-15T06:25:14+00:00monthlyhttps://thatsmaths.com/2013/08/08/the-remarkable-bbp-formula/2013-08-08T16:04:20+00:00monthlyhttps://thatsmaths.com/2013/06/27/wrangling-and-the-tripos/https://thatsmaths.com/wp-content/uploads/2013/06/tripos-results.jpgTripos-ResultsResults are read out at the Senate House and then tossed from the balcony. [Photograph from http://en.wikipedia.org/wiki/File:Mathmo_results.jpg] 2013-08-03T16:08:37+00:00monthlyhttps://thatsmaths.com/2013/03/21/the-pitch-drop-experiment/https://thatsmaths.com/wp-content/uploads/2013/03/pitch-drop-live.pngPitch-Drop-LiveThe Pitch Drop Experiment. Shot from the live webcam at the University of Brisbane.https://thatsmaths.com/wp-content/uploads/2013/03/kelvin-compass.jpgKelvin-CompassWilliam Thomson, 1st Baron Kelvin (1824–1907), Belfast-born mathematical physicist and engineer.https://thatsmaths.com/wp-content/uploads/2013/03/stokes.jpgstokesGeorge Gabriel Stokes (1819–1903), mathematician and physicist, born in Skreen, Ireland. Stokes was Lucasian Professor of Mathematics in Cambridge from 1849 until 1903.https://thatsmaths.com/wp-content/uploads/2013/03/osborne-reynolds.jpgOsborne-ReynoldsOsborne Reynolds (1842–1912), born in Belfast, made fundamental contributions to our understanding of fluid dynamics.2013-08-02T10:56:46+00:00monthlyhttps://thatsmaths.com/2013/08/01/admirably-appropriate/https://thatsmaths.com/wp-content/uploads/2013/08/four-mathematicians.jpgFour-MathematiciansWilliam Rowan Hamilton, Bernhard Riemann, Albert Einstein and Eugene Wigner.2013-08-01T15:11:09+00:00monthlyhttps://thatsmaths.com/2013/07/25/paddling-uphill/https://thatsmaths.com/wp-content/uploads/2013/07/oblate-earth.jpgOblate-EarthThe river source is denoted S and the mouth M. Despite flow down the gradient of g ravitational potential, S is nearer than M to the earth’s centre C.https://thatsmaths.com/wp-content/uploads/2013/07/spheroid-earth1.jpgSpheroid-EarthThe apparent gravity is comprised of two parts, Newtonian gravity and the centrifugal force. This force is perpendicular to the surface of the spheroidal earth.https://thatsmaths.com/wp-content/uploads/2013/07/spheroid-earth.jpgSpheroid-EarthThe apparent gravity $latex {\mathbf{g}}&fg=000000$ is comprised of two parts, Newtonian gravity {$latex {\mathbf{g^*}}&fg=000000$} and the centrifugal force $latex {\Omega^2\mathbf{R}}&fg=000000$. This force is perpendicular to the surface of the spheroidal earth.2013-07-25T09:25:24+00:00monthlyhttps://thatsmaths.com/2013/07/18/matholympic-heroes/https://thatsmaths.com/wp-content/uploads/2013/07/imo2013-results.pngIMO2013-ResultsResults for the Irish contestants at the 54th IMO.https://thatsmaths.com/wp-content/uploads/2013/07/santamarta-1.jpgSantaMarta-1Santa Marta, Colombia, where the 54th IMO is to be held, July 18-28, 2013.https://thatsmaths.com/wp-content/uploads/2013/07/imo-logo.gifIMO-logoThe logo of the IMO. This design, called a Whitehead Link, combines the symbols for zero (0) and infinity (∞)2013-07-18T08:33:37+00:00monthlyhttps://thatsmaths.com/2013/07/11/the-ups-and-downs-of-hailstone-numbers/https://thatsmaths.com/wp-content/uploads/2013/07/collatzfractal-mres.pngCollatzFractal-MResFig. 3: The Collatz fractal, arising from the iterative map in the complex z-plane. [Source: Wikipedia article on the Collatz Conjecture. This image was selected as picture of the month on the Mathematics Portal for April 2007.]https://thatsmaths.com/wp-content/uploads/2013/07/collatz27-b.jpgCollatz27-BFig. 2: Left: maximum value of the Collatz sequence as a function of N. Right: number of steps in the Collatz sequence as a function of N.https://thatsmaths.com/wp-content/uploads/2013/07/collatz27.jpgcollatz27Fig. 1: Hailstone sequence for initial value N=27. The sequence reaches its maximum value of 9232 at step 78 and arrives at 1 in 112 steps.2013-07-11T15:43:00+00:00monthlyhttps://thatsmaths.com/2013/07/04/the-school-of-athens/https://thatsmaths.com/wp-content/uploads/2013/06/platoaristotlepythagoraseuclid.jpgPlatoAristotlePythagorasEuclidLeft: Plato and Aristotle. Centre: Pythagoras. Right: Euclid (or Archimedes?).https://thatsmaths.com/wp-content/uploads/2013/06/school-of-athens-lores.jpgSchool-of-Athens-LoResRaphael's School of Athens, Apostolic Palace, Vatican City2013-07-04T08:31:33+00:00monthlyhttps://thatsmaths.com/2013/06/21/amazing-normal-numbers/https://thatsmaths.com/wp-content/uploads/2013/06/champernowne.jpgChampernowne2013-06-21T09:09:26+00:00monthlyhttps://thatsmaths.com/2013/06/13/joyces-number/https://thatsmaths.com/wp-content/uploads/2013/06/joyces-tower.jpgJoyces-TowerJoyce’s Tower in Sandycove, Co. Dublin [Photo: Peter Lynch]2013-06-14T10:07:52+00:00monthlyhttps://thatsmaths.com/2013/06/05/prime-secrets-revealed/https://thatsmaths.com/wp-content/uploads/2013/06/primepairs-hindutimes.jpgPrimePairs-HinduTimesYitang Zhang brings us closer to a proof of the twin prime conjecture [Image from Hindu Times]2013-06-06T08:00:15+00:00monthlyhttps://thatsmaths.com/2013/05/23/the-sholders-of-giants/https://thatsmaths.com/wp-content/uploads/2013/05/infinity_symbol.pngInfinity_symbolThe symbol ∞ for infinity, introduced by John Wallis.https://thatsmaths.com/wp-content/uploads/2013/05/john-wallis.jpgJohn-WallisJohn Wallis (1616–1703)2013-06-02T22:14:29+00:00monthlyhttps://thatsmaths.com/2013/05/30/gauss-misses-a-trick/https://thatsmaths.com/wp-content/uploads/2013/05/pseudosphere.pngPseudosphereThe pseudo-sphere, a surface of constant negative curvature [Image from http://virtualmathmuseum.org]2013-06-01T16:35:32+00:00monthlyhttps://thatsmaths.com/2013/05/18/ducks-drakes-kelvin-wakes/https://thatsmaths.com/wp-content/uploads/2013/05/kelvin-wake-midres.jpegKelvin-Wake-MidResWake of a boat in the Lyse fjord, Norway [Image Wikimedia]. https://thatsmaths.com/wp-content/uploads/2013/05/kelvin-wake-duck.jpgSAMSUNGA duck on the Avoca River in Arklow.2013-05-18T14:43:59+00:00monthlyhttps://thatsmaths.com/2013/05/09/the-loaves-and-the-fishes/https://thatsmaths.com/wp-content/uploads/2013/05/1000px-banach-tarski_paradox.png1000px-Banach-Tarski_ParadoxA ball decomposed into a finite number of parts and reassembled into two identical copies [Image Wikimedia Commons].https://thatsmaths.com/wp-content/uploads/2013/05/banach-tarski-photos.jpgBanach-Tarski-PhotosStefan Banach (1892–1945), Polish mathematician (left) and Alfred Tarski (1901-1983), Polish logician (right).2013-05-09T09:21:18+00:00monthlyhttps://thatsmaths.com/2013/05/02/monster-symmetry/https://thatsmaths.com/wp-content/uploads/2013/04/rri-banner-03.jpgRRI-Banner-03https://thatsmaths.com/wp-content/uploads/2013/04/sporadic-groups.pngSporadic-GroupsThe 26 sporadic finite groups. The "monster Group", with about 8.10^53 elements, is at the top [Image from Wikipedia].https://thatsmaths.com/wp-content/uploads/2013/04/noether-top.jpgNoether-TopEmmy Noether (1882-1935) [Wikimedia Commons].2013-05-03T10:27:54+00:00monthlyhttps://thatsmaths.com/2013/04/25/spots-and-stripes/https://thatsmaths.com/wp-content/uploads/2013/04/leopard-mid-res.jpgLeopard-mid-resAfrican Leopard (Panthera pardus pardus). [Image from Wikimedia Commons] https://thatsmaths.com/wp-content/uploads/2013/03/schnakenberg4.jpgSchnakenberg4Concentration of constituent A at equilibrium predicted by the Schnakenberg equations. Upper left: γ = 100. Upper right: γ = 400. Lower left: γ=1600. Lower right: γ = 6400.https://thatsmaths.com/wp-content/uploads/2013/03/schnakenberg.jpgSchnakenberg2013-04-29T11:51:11+00:00monthlyhttps://thatsmaths.com/2013/04/18/dis-dat-dix-douze-dozenal-digits/https://thatsmaths.com/wp-content/uploads/2013/04/mickey-mouse.pngMickey-MouseMickey has three fingers and a thumb on each hand. How many toes has he got?2013-04-18T10:07:58+00:00monthlyhttps://thatsmaths.com/2013/04/11/pythagoras-goes-global/https://thatsmaths.com/wp-content/uploads/2013/04/spherical-plane-triangles.jpgSpherical-Plane-Triangleshttps://thatsmaths.com/wp-content/uploads/2013/04/vanbrummelen.pngVanBrummelen2013-04-11T09:01:38+00:00monthlyhttps://thatsmaths.com/2013/04/04/bayes-rules-ok/https://thatsmaths.com/wp-content/uploads/2013/03/challenger_explosion.jpgChallenger_explosionSmoke-plume of Space Shuttle Challenger, January 28, 1986. The disaster resulted in the deaths of all seven crew members.2013-04-07T18:16:31+00:00monthlyhttps://thatsmaths.com/2013/03/01/more-equal-than-others/https://thatsmaths.com/wp-content/uploads/2013/03/first_equation_ever.pngFirst_Equation_Ever The first equation written in symbolic form. Equivalent in modern notation to 14x+15=71.https://thatsmaths.com/wp-content/uploads/2013/03/robert-recorde.jpgRobert-RecordeRobert Recorde (c. 1512 – 1558), a Welsh physician and mathematician.2013-03-28T16:44:57+00:00monthlyhttps://thatsmaths.com/2013/03/28/peaks-pits-passes/https://thatsmaths.com/wp-content/uploads/2013/03/ecmwf-pressure-map.jpgECMWF-Pressure-MapSea-level pressure analysis from ECMWF, valid Monday 25 March 2013 1200Z. Some highs, lows and cols are marked.2013-03-28T15:11:11+00:00monthlyhttps://thatsmaths.com/2013/03/14/happy-pi-day-2013/https://thatsmaths.com/wp-content/uploads/2013/03/pipolygons.pngPiPolygonsHexagons and octogons within and around a circle.https://thatsmaths.com/wp-content/uploads/2013/03/pimosaic.jpgPiMosaicPi mosaic outside the Maths Department at Berlin's Technical University2013-03-14T14:29:18+00:00monthlyhttps://thatsmaths.com/2013/03/07/ct-scans-and-the-radon-transform/https://thatsmaths.com/wp-content/uploads/2013/03/prime-160-brain-tumor-01.jpgPRIME-160-Brain-Tumor-01Aquilion PRIME 160 CT scan showing a brain tumor. The arterial supply and venous drainage isclear in this 3D image from http://medical.toshiba.com/ https://thatsmaths.com/wp-content/uploads/2013/03/ct-skyceiling.pngCT-SkyCeilingToshiba Aquilion Prime CT Scanner installed at Tallaght Hospital in 2012.2013-03-07T09:32:39+00:00monthlyhttps://thatsmaths.com/2012/08/16/analemmatic-sundials/2013-03-01T17:43:46+00:00monthlyhttps://thatsmaths.com/2013/01/10/the-power-tower/https://thatsmaths.com/wp-content/uploads/2013/01/powertower-x.jpgpowertower-xhttps://thatsmaths.com/wp-content/uploads/2013/01/powertower-y.jpgpowertower-yhttps://thatsmaths.com/wp-content/uploads/2013/01/iteration.jpgIteration2013-02-27T21:20:11+00:00monthlyhttps://thatsmaths.com/2013/02/21/the-swingin-spring/https://thatsmaths.com/wp-content/uploads/2013/02/chaos01.jpgChaos01Horizontal projection of trajectory for large amplitude: chaotic motion.https://thatsmaths.com/wp-content/uploads/2013/02/star01.jpgStar01Horizontal projection of trajectory for small amplitude: regular motionhttps://thatsmaths.com/wp-content/uploads/2013/02/ss01.jpegss01The elastic pendulum or swinging spring.2013-02-22T23:42:05+00:00monthlyhttps://thatsmaths.com/2013/02/14/singularly-valuable-svd/https://thatsmaths.com/wp-content/uploads/2013/02/fingerprint_00-40.pngfingerprint_00-40Original fingerprint image (left panel) and compression to rank 40 (from website of John Burkardt, FSU).https://thatsmaths.com/wp-content/uploads/2013/02/fingerprint_00-20.pngfingerprint_00-20Original fingerprint image (left panels) and compression to rank 20 (from website of John Burjardt, FSU).https://thatsmaths.com/wp-content/uploads/2013/02/fingerprint_00-10.pngfingerprint_00-10Original fingerprint image (left panels) and compression to rank 10.https://thatsmaths.com/wp-content/uploads/2013/02/foursubspaces.jpgFourSubSpacesThe four fundamental subspaces involved in the action of the matrix A.2013-02-15T18:44:21+00:00monthlyhttps://thatsmaths.com/2013/02/07/computer-maths/https://thatsmaths.com/wp-content/uploads/2013/02/prace.jpgPRACEPRACE, the Partnership for Advanced Computing in Europehttps://thatsmaths.com/wp-content/uploads/2013/02/eniac-altix.jpgEniac-AltixLeft: ENIAC, circa 1950. Right: SGI Altix ICE 8200EX (ICHEC computer called Stokes).https://thatsmaths.com/wp-content/uploads/2013/02/fourcolourexample.jpgFourColourExampleLeft: Map with five colours. Right: Recolouring of the map that requires only four colours (image from Wikimedia Commons).2013-02-07T08:05:40+00:00monthlyhttps://thatsmaths.com/2012/08/24/sproutology/https://thatsmaths.com/wp-content/uploads/2012/08/sprouts-2spot-game.pngSprouts-2spot-gameA 2-spot game of Sprouts. The first player unable to draw a connecting line is the loser. (Image from Wikimedia Commons)2013-02-06T18:22:48+00:00monthlyhttps://thatsmaths.com/2012/10/18/carving-up-the-globe/https://thatsmaths.com/wp-content/uploads/2012/10/platonic-solids2.jpgPlatonic-solidshttps://thatsmaths.com/wp-content/uploads/2012/10/mpas.pngMPASAdaptive unstructured grid used in the MPAS model. http://mpas.sourceforge.net/clouds.pnghttps://thatsmaths.com/wp-content/uploads/2012/10/yin-yang-grid.jpgYin-Yang-GridYin-Yang grid. Image from http://dx.doi.org/10.1016/j.pepi.2008.06.025https://thatsmaths.com/wp-content/uploads/2012/10/sphere-adapted-grid.pngSPHERE-adapted-gridA variable resolution grid. Picture by Michael Duda, MMM, NCARhttps://thatsmaths.com/wp-content/uploads/2012/10/sphere-geodesic2.jpgSPHERE-geodesicGeodesic grid (Icosahedral-hexagons). Image from http://kiwi.atmos.colostate.edu/BUGS/geodesic/https://thatsmaths.com/wp-content/uploads/2012/10/cubed-sphere-grid.jpgCubed-Sphere-GridCubed Sphere grid. Image from http://dx.doi.org/10.1016/j.jcp.2005.08.027https://thatsmaths.com/wp-content/uploads/2012/10/lat-long-grid.jpgLat-Long-Gridhttps://thatsmaths.com/wp-content/uploads/2012/10/platonic-solids1.jpgPlatonic-solidshttps://thatsmaths.com/wp-content/uploads/2012/10/imu-logo.jpgIMU-LogoLogo of the International Mathematical Union.https://thatsmaths.com/wp-content/uploads/2012/10/borromean-rings.pngBorromean-RingsBorromean rings. Image: Wikipedia Commons.2013-02-06T18:21:14+00:00monthlyhttps://thatsmaths.com/2012/09/02/no-maths-involved/https://thatsmaths.com/wp-content/uploads/2012/09/sudoku17cluepuzzle.jpgsudoku17cluepuzzleA 17 clue Sudoku puzzle2013-02-06T18:16:24+00:00monthlyhttps://thatsmaths.com/2012/09/14/the-beautiful-game/https://thatsmaths.com/wp-content/uploads/2012/09/football-pitch.pngFootball-PitchMeasurements of a standard football pitch (image: Wikipedia Commons). 2013-02-06T18:15:23+00:00monthlyhttps://thatsmaths.com/2012/09/20/the-end-of-smallpox/https://thatsmaths.com/wp-content/uploads/2012/09/daniel-bernoulli.jpgDaniel-BernoulliDaniel Bernoulli (1700-1782). Image: Wikipedia Commons. 2013-02-06T18:14:30+00:00monthlyhttps://thatsmaths.com/2012/10/11/falling-slinky/https://thatsmaths.com/wp-content/uploads/2012/10/slinky.jpgSlinky2013-02-06T18:12:47+00:00monthlyhttps://thatsmaths.com/2012/10/25/the-popcorn-function/https://thatsmaths.com/wp-content/uploads/2012/10/popcornfunction-cropped.jpgPopcornFunction-CroppedThomae's “popcorn function” for x in (0,1).2013-02-06T18:10:23+00:00monthlyhttps://thatsmaths.com/2012/11/01/a-mersennery-quest/2013-02-06T18:08:36+00:00monthlyhttps://thatsmaths.com/2012/11/08/shackletons-spectacular-boat-trip/https://thatsmaths.com/wp-content/uploads/2012/11/james-caird-great-circle2.pngJames-Caird-Great-CircleGreat circle route from Elephant Island (61°S, 55°W) to South Georgia (54°S, 37°W). Distance 1320 km or about 715 nautical mileshttps://thatsmaths.com/wp-content/uploads/2012/11/sextant-angles.pngSextant-AnglesAngles used to calculate the latitude. Alpha (α) is the altitude of the Sun measured with the sextant, delta ( ) is the latitude (declination) of the Sun, obtained from the Nautical Almanac and phi (φ) is the latitude of point P.https://thatsmaths.com/wp-content/uploads/2012/11/marine-sextant1.pngMarine-SextantSchematic diagram of a marine sextant used for navigation. Image from Wikimedia Commons.https://thatsmaths.com/wp-content/uploads/2012/11/jamescairdnearingsouthgeorgia.jpgJames Caird The James Caird approaching South Georgia. Illustration from Ernest Shackleton's book, South (William Heinemann, London 1919).2013-02-06T18:07:38+00:00monthlyhttps://thatsmaths.com/2012/12/27/pons-asinorum/https://thatsmaths.com/wp-content/uploads/2012/12/pons-asinorum.pngPons-AsinorumIsosceles triangle ABC and its mirror image.https://thatsmaths.com/wp-content/uploads/2012/12/pons-asinorum-byrne.gifPons-Asinorum-ByrnePons Asinorum. Figure from Oliver Byrne's Elements of Euclid.2013-02-06T18:06:39+00:00monthlyhttps://thatsmaths.com/2012/11/15/where-in-the-world/2013-02-06T18:05:14+00:00monthlyhttps://thatsmaths.com/2012/11/22/the-root-of-infinity-its-surreal/2013-02-06T18:04:05+00:00monthlyhttps://thatsmaths.com/2012/11/29/where-circles-are-square-and-%cf%80-equals-4/https://thatsmaths.com/wp-content/uploads/2012/11/taxicab-equilateral-triangle.pngTaxicab-Equilateral-TriangleFigure 2: An equilateral triangle with unequal angles.https://thatsmaths.com/wp-content/uploads/2012/11/taxicab-metric-circle.pngTaxicab-Metric-CircleFigure 1: Distance between point A (1,5) and B (8,9) in the taxicab metric is 11 units. The square at lower right is actually a circle of radius 3 centred at D (7,3).2013-02-06T18:02:16+00:00monthlyhttps://thatsmaths.com/2012/12/06/ramanujans-lost-notebook/https://thatsmaths.com/wp-content/uploads/2012/12/mockthetafunctions.pngMockThetaFunctionsRamanujan’s sixth order mock theta functionshttps://thatsmaths.com/wp-content/uploads/2012/12/ramanujan-lost-notebook.jpgRamanujan-Lost-NotebookThe Lost Notebook and Other Unpublished Papers: Mathematical Works of Srinivasa Ramanujan. Alpha Science International Ltd, 2008https://thatsmaths.com/wp-content/uploads/2012/12/ramanujan-hardy.jpgRamanujan-HardyLeft: Indian postage stamp issued in 1962, the 75th anniversary of Ramanujan's birth. RIght: G H Hardy.2013-02-06T18:00:41+00:00monthlyhttps://thatsmaths.com/2012/12/13/sharing-a-pint/https://thatsmaths.com/wp-content/uploads/2012/12/ungula.jpgUngulaFigure 2: Cross-sections of an ungula perpendicular to (A) the x axis, (B) y axis and (C) z axis.https://thatsmaths.com/wp-content/uploads/2012/12/beer-glass.jpgBeer-GlassFig. !. Beer remaining after (A) Annie, (B) Barry and (C) Cathy.2013-02-06T17:59:03+00:00monthlyhttps://thatsmaths.com/2013/01/03/archimedes-method-uncovered/https://thatsmaths.com/wp-content/uploads/2013/01/archimedes-palimpsest-half.jpgArchimedes-Palimpsest-HalfPage of the palimpsest showing older and more recent writing in orthogonal directions (from archimedespalimpsest.org)https://thatsmaths.com/wp-content/uploads/2013/01/archimedes-sphere-and-cylinder.pngArchimedes-sphere-and-cylinderSphere embedded in cylinder. The volume of the sphere is 2/3 that of the cylinder. (Image Wikimedia Commons)https://thatsmaths.com/wp-content/uploads/2013/01/archimedes-domenico-fetti.jpgArchimedes-Domenico-FettiArchimedes Thoughtful. Painting by Domenico Fetti (1588–1623). Wikimedia Commons.2013-02-06T17:57:16+00:00monthlyhttps://thatsmaths.com/2013/01/17/topology-underground/https://thatsmaths.com/wp-content/uploads/2013/01/tubemap-topol-inner.pngTubeMap-Topol-InnerTopological map of the London Underground networkhttps://thatsmaths.com/wp-content/uploads/2013/01/tubemap-topog-city.pngTubeMap-Topog-CityTopographical map of the London Underground network2013-02-06T17:56:46+00:00monthlyhttps://thatsmaths.com/2012/12/20/santas-tsp-algorithm/https://thatsmaths.com/wp-content/uploads/2012/12/santa-and-sleigh.jpgSanta-and-Sleighhttps://thatsmaths.com/wp-content/uploads/2012/12/icosian-game-2d3d.pngIcosian-Game-2D3DA Hamiltonian cycle on a dodecahedron. Left: 2D projection. Right: 3D image.https://thatsmaths.com/wp-content/uploads/2012/12/tsp-usa2.gifTSP-usa2Minimum distance route through all major towns in USA.2013-02-06T17:54:41+00:00monthlyhttps://thatsmaths.com/2013/01/24/the-lambert-w-function/https://thatsmaths.com/wp-content/uploads/2013/01/tweet-12.jpgtweet-12https://thatsmaths.com/wp-content/uploads/2013/01/tweet-30.jpgtweet-30https://thatsmaths.com/wp-content/uploads/2013/01/lambertw.jpgLambertWLambert W-function w=W(z), defined as the inverse of z=wexp(w).https://thatsmaths.com/wp-content/uploads/2013/01/lambertconicprojection.jpgLambertConicProjectionLambert conformal conic projection with standard parallels at 20N and 50N (image from Wikimedia Commons).https://thatsmaths.com/wp-content/uploads/2013/01/johann-heinrich-lambert.jpgJohann-Heinrich-LambertJohan Heinrich Lambert (1728--1777).2013-02-06T17:46:52+00:00monthlyhttps://thatsmaths.com/2013/01/30/chess-harmony/2013-02-06T17:45:30+00:00monthlyhttps://thatsmaths.com/contact/https://thatsmaths.com/wp-content/uploads/2012/07/book-front-cover_med.jpgBook-front-cover_medhttps://thatsmaths.com/wp-content/uploads/2012/07/ucd-logo.jpgUCD-logo2013-01-18T13:01:00+00:00weekly0.6https://thatsmaths.com/2012/07/19/mathematics-articles-in-irish-times/2013-01-03T22:35:42+00:00monthlyhttps://thatsmaths.com/2012/07/26/the-two-cultures/2013-01-03T22:35:07+00:00monthlyhttps://thatsmaths.com/2012/08/02/google-pagerank/2013-01-03T22:34:31+00:00monthlyhttps://thatsmaths.com/2012/09/06/packing-stacking/2013-01-03T22:31:08+00:00monthlyhttps://thatsmaths.com/2012/09/20/khan-academy/2013-01-03T22:29:03+00:00monthlyhttps://thatsmaths.com/2012/10/04/contagion/2013-01-03T22:28:15+00:00monthlyhttps://thatsmaths.comdaily1.02026-03-19T15:10:15+00:00