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1 apr 1947 anni - 1947: William Shockley, John Bardeen and Walter Brattain of Bell Laboratories

Descrizione:

William Shockley, John Bardeen and Walter Brattain of Bell Laboratories invent the transistor. They discover how to make an electric switch with solid materials and without the need for a vacuum.

Aggiunto al nastro di tempo:

Data:

1 apr 1947 anni
Adesso
~ 78 years ago