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    You are herePositronAugust 2, 1932
    1931Cyclotron Shared thread 1939Nuclear fission Shared thread 1687Philosophiæ Naturalis Principia Mathematica Shared thread 1932Discovery of the neutron Shared thread 1543De revolutionibus orbium coelestium Shared thread 1945Atomic bombings of Hiroshima and Nagasaki Shared thread

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    August 2, 1932

    Positron

    A lead plate six millimetres thick showed which way the invisible particle had been travelling, letting Anderson rule out an ordinary electron moving the other way.

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    Cyclotron ↗

    Both events are tagged The Atomic Age and Scientific Revolution. Follow the topic to compare their stories; no direct influence is asserted.

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    Nuclear fission ↗

    Both events are tagged The Atomic Age and Scientific Revolution. Follow the topic to compare their stories; no direct influence is asserted.

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    Discovery of the neutron ↗

    Both events are tagged The Atomic Age and Scientific Revolution. Follow the topic to compare their stories; no direct influence is asserted.