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Tech HistoryDeep Dive August 9, 2026 3 min read

The Transistor at Bell Labs: From Point Contact to a Reproducible Junction Device

A source-grounded history of the 1947 Bell Labs transistor, Bardeen and Brattain's point-contact result, Shockley's junction design, and scale-up.

#technology-history#transistor#bell-labs

Tech HistoryDeep Dive August 9, 2026 3 min read

A documented Unix history from Multics and the PDP-7 through Thompson and Ritchie's file model, pipes, C rewrite, 1974 paper, and licensed diffusion.

#technology-history#unix#bell-labs