There has been constant development trying to improve accelerometer and gyros. T... | Hacker News

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		aeyes on June 17, 2024 \| parent \| context \| favorite \| on: London Underground hosts tests for 'quantum compas... There has been constant development trying to improve accelerometer and gyros. There are even commercial products, for example: https://m2lasers.com/quantum-accelerometer.html

jiggawatts on June 18, 2024 [–]

They claim 10E-7 m/s/s precision, which is is about 60cm of drift in an hour, and up to 375 meters after a day.

Obviously this won't work without re-calibrating to a known location at least a few times per day.

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