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Physics x Medicine and Health x clear all

aberration

Overview page. Subjects: Physics — Medicine and Health.

n. (in optics) a defect in the image formed by an optical device (e.g. a lens). In chromatic aberration the image has coloured fringes as a result of the different extent to...

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Bainbridge, John

A. J. Apt.

in Oxford Dictionary of National Biography

September 2004; p ublished online September 2004 .

Reference Entry. Subjects: Medicine and Health; Astronomy and Astrophysics. 1026 words.

Bainbridge, John (1582–1643), astronomer and physician, was born in Ashby-de-la-Zouch, Leicestershire, the son of Robert Bainbridge and his wife, Anne, daughter of Richard Everard. He was...

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Barry, Martin

Geoffrey L. Asherson.

in Oxford Dictionary of National Biography

September 2004; p ublished online September 2004 .

Reference Entry. Subjects: Physics; Medicine and Health. 843 words.

Barry, Martin (1802–1855), microscopist and embryologist, was born on 28 March 1802 at Fratton, Hampshire, one of three or more children whose father had a mercantile concern in Nova...

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Beale, Lionel Smith

Michael Worboys.

in Oxford Dictionary of National Biography

September 2004; p ublished online September 2004 .

Reference Entry. Subjects: Medicine and Health; Physics. 2087 words.

Beale, Lionel Smith (1828–1906), physician and microscopist, was born on 5 February 1828 at Bedford Street, Covent Garden, London, the only son of Lionel John Beale (1796–1871), surgeon and...

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bending moment

Overview page. Subjects: Sports and Exercise Medicine — Physics.

(about any point or section of a horizontal beam under load) The algebraic sum of the moments of all the vertical forces to either side of that point or section. See moment of a force.

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betatron

Overview page. Subjects: Physics — Medicine and Health.

(bee-tă-tron)

a device used to accelerate a stream of electrons (beta particles) into a beam of radiation that can be used in radiotherapy.

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Bevis, John

A. M. Clerke.

in Oxford Dictionary of National Biography

September 2004; p ublished online September 2004 .

Reference Entry. Subjects: Medicine and Health; Astronomy and Astrophysics. 1094 words.

Bevis, John (1695–1771), physician and astronomer, was born on 31 October 1695, the son of George Bevis of West Harnham, near Salisbury, Wiltshire. His father was a prominent figure during...

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Bredon, Simon

George Molland.

in Oxford Dictionary of National Biography

September 2004; p ublished online September 2004 .

Reference Entry. Subjects: Medicine and Health; Astronomy and Astrophysics. 1049 words.

Bredon, Simon (d. 1372), physician and astronomer, came from Winchcombe, Gloucestershire, and by 1330 was a fellow of Merton College, Oxford, where he remained probably until 1348. In 1333...

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Caerleon, Lewis

Keith Snedegar.

in Oxford Dictionary of National Biography

September 2004; p ublished online September 2004 .

Reference Entry. Subjects: Medicine and Health; Astronomy and Astrophysics. 779 words.

Caerleon, Lewis (d. in or after 1495), physician and astronomer, was a native of Wales. He is first recorded in 1465–6, when he was admitted bachelor of medicine of Cambridge University....

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cathode rays

Overview page. Subjects: Public Health and Epidemiology — Physics.

The stream of electrons emanating from the negative pole (cathode) of a vacuum tube when an electric current is passed through it. At very high voltages, cathode rays emit high-energy...

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