People think that Raytheon engineer Percy Spenser, the chief of their power tube division, noticed that while working with a magnetron he found his candy bar had melted. This is, apparently, true, ...

Electric vehicles have been around since ... and ones that use AC current (permanent-magnet synchronous motors). Brushed current-excited AC synchronous motors are a newer form of EV motor that ...

The Chinese motor-maker Wolong has announced a ferrite-assisted synchronous reluctance motor with an integrated drive, ...