A nodeless antiresonant fibre. (Courtesy: Gregory T Jasion, Optoelectronics Research Centre, University of Southampton) A new type of hollow-core optical fibre makes light-based gyroscopes up to 500 ...
I am baffled by gyroscopes. I remember from physics in college they had the bike tire hung by its axle from a rope somehow. They would spin the tire and it would orbit the rope standing upright. If ...