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31 mar 1886 ano - Eugen Goldstein

Descrição:

Studied cathode rays, discovered anode rays and protons

Adicionado na linha do tempo:

Hailee and Katie hr 3

ByHailee Ketola

26 set 2017

1

0

647

Data:

31 mar 1886 ano

Agora

~ 139 years ago

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