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The rise and fall of IBM's 4 Pi aerospace computers: an illustrated history

The morning of April 12, 1981, 20 years to the day after Yuri Gagarin became the first person in space, the Space Shuttle thundered into the...
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History & Retro ComputingSystems & Performance2026

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Mar 29, 2026The rise and fall of IBM's 4 Pi aerospace computers: an illustrated history by zdw10025

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