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1 gen 1886 anni - Eugene Goldstein

Descrizione:

Goldstein was a German chemist who lived from 1840-1930. He discovered canal rays, or positive rays, and that the positive charge of a proton is equal to the negative charge of an electron.

Aggiunto al nastro di tempo:

Data:

1 gen 1886 anni
Adesso
~ 139 years ago

Immagini: