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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
August 1, 2025
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23 oct. 1897 - J.J. Thomson (1897) *discovered negatively charged particles called Electrons using a Cathode Ray with magnets

Ajouté au bande de temps:

Date:

23 oct. 1897
Maintenaint
~ Il y a 127 ans

Les images: