Posts Tagged 'medicine'

A Life-saving Whirligig

Modern science is big: the gravitational wave detector (LIGO) cost over a billion dollars, and the large hadron collider (LHC) in Geneva took decades to build and cost almost five billion euros. It may seem that scientific advances require enormous financial investment. So, it is refreshing to read in Nature Biomedical Engineering (Vol 1, Article 9) about the development of an ultra-cheap centrifuge that costs only a few cents to manufacture [TM111 or search for “thatsmaths” at irishtimes.com].

SAMSUNG

Whirligig, made from a plastic disk and handles and some string

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Digital Dentistry

That’s Maths in The Irish Times this week (TM049, or  Search for “thatsmaths” at irishtimes.com) is about applications of computer aided design and computer aided manufacture to making dental crowns.

High-precision digitally-driven mill carving a dental crown from a solid ceramic block [photo from www.sirona.com].

High-precision digitally-driven mill carving a dental crown from a solid ceramic block
[photo from www.sirona.com].

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CT Scans and the Radon Transform

Last December, Dublin’s Tallaght Hosptal acquired a new CT scanner, a Toshiba Aquilon Prime, the first of its type in the country. The state-of-the-art scanner is housed in a room with a ‘sky ceiling’ that allows patients to enjoy an attractive outdoor image during the scanning process.

This equipment, which cost €600,000 will undoubtedly result in timely treatment of patients and the saving of lives. The process of generating images from CT scans is described in the latest That’s Maths column (TM016) in the Irish Times.

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