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31 déc. 1885 - Goldstein
Description:
He discovered protons with the experiments he did with cathode rays which would knock electrons of atoms and attract them to a positively charged electrode.
Ajouté au bande de temps:
Aquilas timeline
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Aquilas
6 févr. 2018
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345
Date:
31 déc. 1885
Maintenaint
~ Il y a 138 ans
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