23 dic 1947 anni - Bell Labs team invents the transistor, which replaces the need for vacuum tubes and allows electronic devices to become even smaller than before. An extremely important innovation for the fact that without these transistors, things like the first iPhone would be just a bulky as other phones. (12/23/1947)

Descrizione:

“Bell Telephone Laboratories.” Bell Telephone Laboratories, Inc., 1925-1983, Engineering and Technology History Wiki, 18 Dec. 2014, ethw.org/Milestones:Bell_Telephone_Laboratories,_Inc.,_1925-1983.

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