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April 1, 2024
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apr 4, 1932 - Discovery of the Neutron
Description:
By bombarding beryllium atoms with alpha particles, James Chadwick identifies a subatomic particle with no charge that he calls the neutron.
Added to timeline:
21 Oct 2018
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History of the atom
Date:
apr 4, 1932
Now
~ 92 years ago