But there’s a problem. While it’s a simple matter to build mirrors and beam splitters for photons, it’s extremely difficult to do that for matter waves. As a result, matter-wave interferometers are ...
The first gyroscope was invented in 1852 by Leon Foucault (a traditional mechanical gyroscope of this general type is shown in Fig 1). Foucault thought that he could measure the rotation of the earth ...
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 ...