Without a Cray, they couldn't do CFD simulation!
Steve Jobs bragged that he used a Cray to design the Apple II. Seymour responded that he used an Apple II to design the Cray.
-- John Larkin Highland Technology, Inc picosecond timing precision measurement jlarkin att highlandtechnology dott com http://www.highlandtechnology.com
Uhh, the Cray-I was liquid cooled. Pairs of boards were clamped to cold plates which were secured to huge, vertical liquid-cooled cold plates, so that each board passed heat to the two cold plates on either side.
This might have been the scheme on some earlier Cray-designed machine at CDC.
Jon
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