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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
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29 Mai 1932 Jahr - -James Chadwick was an English Physicist who was responsible for discovering the neutron in 1932 by using scattering data to calculate the mass of the neutral particle.

Zugefügt zum Band der Zeit:

15 Okt 2017
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Datum:

29 Mai 1932 Jahr
Jetzt
~ 93 years ago