In 2001: A Spade Odyssey, there is a problem aboard Discovery One. The HAL 9000 computer, artificial intelligence which can talk and mimic the human brain, announces a problem.
HAL: “I’ve just picked up a fault in the AE35 unit. It’s going to go 100% failure in 72 hours.”
The AE-35 unit is a gyroscopic device used to maintain the communications link between with mission control by keeping the satellite dish antenna aligned with Earth.
Dr David Bowman goes outside the ship in a spherical Extravehicular Activity (EVA) pod to retrieve and replace the malfunctioning unit, and returned to the pod bay, where he and Dr Frank Poole carry out extensive diagnostics. They can’t find any defects. The pair radio Mission Control in Houston. Mission Control says that HAL, the supposedly “foolproof and incapable of error” 9000 computer may have made an error. Their SAL 9000 unit, the twin…
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