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21 ore fa · Hermanus Brockmann: 1904 St. Louis details United States (USA) Frederick Cresser Michael Gleason Frank Schell James Flanagan Charles Armstrong Harry Lott Joseph Dempsey John Exley Louis Abell Canada (CAN) Arthur Bailey William Rice George Reiffenstein Phil Boyd George Strange William Wadsworth Don MacKenzie Joseph Wright Thomas Loudon: none ...
21 ore fa · 1899 - Hermanus Haga and Cornelis Wind observed X-ray diffuse broadening through a slit and deduced that the wavelength of X-rays is on the order of an Angstrom. 20th Century. 1905 - Charles Glover Barkla discovered the X-ray polarization effect. 1908 - Bernhard Walter and Robert Wichard Pohl observed X-ray diffraction from a slit.
