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1 Jan 1887 Jahr - Premiere émission d'ondes radio

Beschreibung:

Heinrich hertz est le premier a reussir une émission d'ondes radio sur une distance de 20 mètres.

Zugefügt zum Band der Zeit:

Les evolutions technologiques,comment communiquer a distance ?

Bystefan
29 Mär 2021
2
2
4812

Datum:

1 Jan 1887 Jahr
Jetzt
~ 138 years ago

Abbildungen:

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