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4 gen 1932 anni - James Chadwick discovers the neutron

Descrizione:

James Chadwick is an english physicist born 1891 and died 1974. He discovered a new subatomic particle that has no charge and affects the atomic mass.

Aggiunto al nastro di tempo:

16 ott 2017
0
0
720

Data:

4 gen 1932 anni
Adesso
~ 93 years ago