Hacker News new | ask | show | jobs
by 05 2893 days ago
https://en.wikipedia.org/wiki/Microelectromechanical_systems
1 comments

Thanks! I didn't know about those.

For some reason I was convinced phone gyros use light interference in a spiral of optic fiber. Probably because I read about that design when I was looking how solid-state gyros in RC models work.