feb 15, 1932 - Chadwick
Description:
Date: 1932Country: Britain
Contribution: James Chadwick repeated experiments done by Frederic and Irene Joliot-Curie but with a different purpose. He was looking for a neutral particle - a neutron. Chadwick’s experiment was successful and publishes his findings of the neutron and later won a Nobel Prize for it in 1935.
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Date:
feb 15, 1932
Now
~ 94 years ago