10 jun 1752 año - Benjamin Franklin
The lighning rod
Descripción:
In June of 1752, Benjamin Franklin was in Philadelphia where his famous experiment would take place. He decided to use a key that he attached to a kite which he flew into the storm. As soon as he could tell that the key was receiving electricity from the storm he was able to deduce that lighting was a form of electricity.
https://www.fi.edu/history-resources/franklins-lightning-rod
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fecha:
10 jun 1752 año
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~ 272 years ago