In January 2001, it was announced that MgB2 (magnesium diboride), a compound that was well known to chemists, was superconducting up to 39 Kelvin. Building on this discovery, Hyper Tech was formed in ...

Linear motors are becoming increasingly practical for general motion. Many are used for long strokes of a few feet or more. One new design, however, where the magnets move relative to a stationary ...