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jan 19, 1932 - James Chadwick

Description:

discovered the neutron in 1932, which inspired the U.S. government to begin serious atomic bomb research efforts.

Added to timeline:

atom timeline

ByShelby Swartzendruber

20 Dec 2019

1

0

637

Date:

jan 19, 1932

Now

~ 94 years ago

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