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1 janv. 1897 - Joseph J. Thomson

Description:

He discovered electrons with his experiment of the cathode ray tube. His model consisted of a round positive mass and tiny negatively charged particles inside of it.

Ajouté au bande de temps:

10 nov. 2017
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947

Date:

1 janv. 1897
Maintenaint
~ Il y a 128 ans

Les images: