In 1969, the Apollo Guidance Computer kept flashing a 1202 alarm during the lunar descent, and Margaret Hamilton’s priority-scheduling code saved the landing because it had been written to shed low-priority tasks the moment the processor overloaded, exactly as a stuck rendezvous radar was now flooding it
Three minutes before Neil Armstrong and Buzz Aldrin touched the lunar surface on July 20, 1969, the yellow caution light ...



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