Photo: Atomic bomb test explosion in Alamagordo, New Mexico, July 16, 1945. AP/Wide World Photos In 1932, James Chadwick discovered the neutron, a small atomic particle with mass but no charge.
Otto Frisch, who witnessed the 1945 Trinity test bomb, donated papers to do with ... from June 1942 outlining the necessary "fast neutron projects" which needed to be completed as part of the ...
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