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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
August 1, 2025
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1 janv. 1897 - J.J. Thomson discovers the electron

Description:

In his expirement, a cathode ray was deflected away from a negatively-charged electric plate and towards a positively-charged plate. This indicated that the cathode ray was composed of negatively-charged particles, which are called electrons.

Ajouté au bande de temps:

Date:

1 janv. 1897
Maintenaint
~ Il y a 128 ans

Les images: