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1 gen 1749 anni - Invention of Lightning Rod

Descrizione:

Benjamin Franklin invented the lightning rod as part of his scientific mission to prove the existence of electricity in lightning. The lightning rod was a sharpened metal pole that would, in theory, and as it turned out in practice, attract lightning if it was made of electricity.

Aggiunto al nastro di tempo:

The American Journey

BySam Dorfman
16 ott 2018
0
0
426

Data:

1 gen 1749 anni
Adesso
~ 276 years ago

Immagini:

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