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1 Apr 1947 Jahr - 1947: William Shockley, John Bardeen and Walter Brattain of Bell Laboratories

Beschreibung:

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.

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Datum:

1 Apr 1947 Jahr
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~ 78 years ago