

The tiny device that built Silicon Valley started as a lab accident nobody believed in.
The story behind the creation of the transistor, one of the 20th century's most important inventions.
Production
Charming period reenactments that look like a high-budget school play.
Direction
Glassman makes Bell Labs politics surprisingly juicy.
Director
Gary Glassman
Trivia, insights & behind the scenes
The original 1947 transistor was roughly the size of a quarter; today, billions fit on a chip smaller than your fingernail.
Ira Flatow later became the beloved host of NPR's Science Friday—this doc basically launched his face-recognition era.
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