The first transistor
This was the very first transistor, invented at Bell Labs in December 1947. Known as a point contact transistor, it was first manufactured commercially a few years later, ironically enough, in a textbook example of a Rust Belt locale: Allentown, Pa.
From this first transistor arose, eventually, Intel and Advanced Micro Devices, Silicon Valley and Massachusetts' Route 128 corridor, countless brands of desktop and laptop PCs, the PlayStation 3 and the iPhone...
December 14, 2007 3:59 AM PST
Photo by: LSI and the Computer History Museum
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