World’s littlest light-sensing gyroscope Posted by unova on Thursday October 11, 2018 @09:55AM from the nature.com dept. https://www.nature.com/articles/d41586-018-06992-z ( 1 comment | 2 points | on HN )
Based on https://en.wikipedia.org/wiki/Fibre_optic_gyroscope which uses https://en.wikipedia.org/wiki/Sagnac_effect