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1 gen 1962 anni - first LED light

Descrizione:

A light-emitting diode is a two-lead semiconductor light source. It is a p–n junction diode that emits light when activated created by Nick Holonyak

Aggiunto al nastro di tempo:

New timeline

ByImani
24 ago 2017
0
0
597

Data:

1 gen 1962 anni
Adesso
~ 62 years ago

Immagini:

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