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Parametron: 50s Japanese computer that uses neither transistors nor vacuum tubes

Hacker News Top · 2026-08-10 Cached

Eiichi Goto's 1954 invention of the parametron, a logic element using ferrite cores and parametric oscillation, led to Japan's first university-built stored-program computer PC-1 in 1958. The IEEE has dedicated a milestone plaque to this achievement in Tokyo.

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#ieee-milestone

The Computer That Helped Win World War II: Colossus cracked Germany’s encrypted communications

Lobsters Hottest · 2026-07-27 Cached

This IEEE Spectrum article recounts the story of Colossus, the world's first large-scale programmable electronic digital computer, built by Tommy Flowers to crack Germany's advanced Lorenz cipher during World War II, and notes its upcoming IEEE Milestone dedication ceremony at Bletchley Park.

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