An Interactive Annotated World Bibliography of Printed and Digital Works in the History of Medicine and the Life Sciences from Circa 2000 BCE to 2024 by Fielding H. Garrison (1870-1935), Leslie T. Morton (1907-2004), and Jeremy M. Norman (1945- ) Traditionally Known as “Garrison-Morton”
Permanent Link for Entry #9084
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The diffraction of short electromagnetic waves by a crystal.Proceedings of the Cambridge Philosophical Society 17, 43-57, 1913.At the age of 22, Bragg discovered that the regular pattern of dots produced on a photographic plate by an X-ray beam passing through a crystal could be regarded as a reflection of electromagnetic radiation from planes in a crystal that were especially densely studded with atoms. From this work the younger Bragg derived the “Bragg relation” or Bragg's law (nλ = 2d sin O). This relates the wavelength of the X-ray to the angle at which such a reflection could occur. See also: W. H. Bragg, “X-rays and Crystals,” Nature 90 (23 Jan. 1913) 572. Subjects: BIOLOGY › MOLECULAR BIOLOGY › X-Ray Crystallography Permalink: www.historyofmedicine.com/id/9084 |