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23h 58min, dec 31, 1889 y - primer detector de radio

Description:

Edouard Branly observa que la incidencia de una onda electromagnética modifica la conductividad de las limaduras de hierro. Así, desarrolla el primer detector de radio de la historia.

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ByJc Jean Carlos
14 Sep 2017

Date:

23h 58min, dec 31, 1889 y
Now
~ 134 years ago

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