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jan 1, 1932 - James Chadwick discovers the Neutron

Description:

James Chadwick's discovers the Neutron.

Chadwick discovered the Neutron through a complicated experiment, to which he shot an alpha ray through Beryllium which would emit the Neutron out of it and into a gas chamber. Once these neutrons landed in the gas, the mass would be equal to protons.

Added to timeline:

Date:

jan 1, 1932
Now
~ 93 years ago

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