Comment by sgtnoodle | Hacker News Reader

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Comment by sgtnoodle | Hacker News Reader

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I remember that too. Maybe this? https://en.m.wikipedia.org/wiki/Gravity_Probe_B

Thats cool! but not that.. the one I an thinking of used the device for course correction over vast distances

Sounds like AIRS https://en.m.wikipedia.org/wiki/Advanced_Inertial_Reference_...

Basically floating gyros, pretty common design for IMUs.

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