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jun 1, 1887 - émission et réception d'ondes radios de Heinrich Hertz
Description:
Il réussi une émission d'ondes radios sur 20 mètres pour la première fois
Added to timeline:
frise chronologique des évolutions technologiques
By
samuel
30 Mar 2021
1
0
165
Date:
jun 1, 1887
Now
~ 138 years ago
Images:
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