This would be a great prop for time travel scifi movie. Protagonist travels to 1991 and tries to convince scientist to help him. When asked for a proof, shows Gray C90 Wristwatch. "Our real computers are different, but I show you this because it does not pollute the timeline."
1/25-scale Cray C90 wristwatch
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Re: 1/25-scale Cray C90 wristwatch
#22Re: 1/25-scale Cray C90 wristwatch
#23This would be a great prop for time travel scifi movie. Protagonist travels to 1991 and tries to convince scientist to help him. When asked for a proof, shows Gray C90 Wristwatch. "Our real computers are different, but I show you this because it does not pollute the timeline."
This is refreshing. A premise for a time travel movie that is both accurate in terms of its portrait of computers, and it doesn't present basic time travel "oopsies" .
Re: 1/25-scale Cray C90 wristwatch
#24Re: 1/25-scale Cray C90 wristwatch
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#28Who knows, maybe the Antikythera mechanism or the pyramids were a similarly ludicrous prank?
Re: 1/25-scale Cray C90 wristwatch
#29> The display shows a free-running simulation of Jupiter and 63 of its moons. For convenience, I just plot the X/Y coordinates of each moon in the ecliptic plane. The ephemerides come from the HORIZONS server that NASA operates, at a specified date and time. The J90 just dumps a new frame whenever the Teensy has pulled the previous one, so with a teensy (ha!) bit of calibration on the micro controller side, it would…