Light Years Ahead | The 1969 Apollo Guidance Computer

Written by / Original link on Apr. 26, 2021

Half a century ago, on 20 July 1969, Neil Armstrong was in the final stages of the lunar descent, just a few thousand feet above the surface, when suddenly his on-board computer indicated a critical alarm. For three nail-biting seconds it looked as if the mission would have to be aborted. However, Armstrong was given a “go” to continue, and after several more alarms the Eagle touched down safely on the Moon.

Very insightful talk by Robert Wills, engineer at Cisco. No only does it give an insight in how to land a Lunar Lander on the moon, it also provides a thorough analysis of the hardware and software design principles that saved the mission.

Related: How to land the Space Shuttle … from space

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