nuclear weapons 1930 1930 Schrödinger views electrons as continuous clouds and introduces "wave mechanics" as a mathematical model of the atom. -------------------------------------------------------------------------------- 1931 Albert Einstein urges all scientists to rule out military work. Harold C. Urey of the United States and associates discover deuterium (heavy hydrogen) which is present (0.014%) in all natural hydrogen compounds including water. John D. Crockcroft of Great Britain develops high-voltage apparatus for atomic transmutation.
-------------- ------------------------------------------------------------------ 1932 James Chadwick proves the existence of neutrons, using crucial particles striking a beryllium foil. He determines their mass by measuring the recoil tracks of known atoms of the rarified gas in his cloud chamber. John Cockcroft and E. T. S. Walton of Great Britain split the atom on a linear accelerator built at ...If you poorness to get a full essay, order it on our website:
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