Variable flux permanent magnet machines represent a dynamic class of electrical machines in which the air-gap magnetic flux can be actively adjusted during operation. This flexibility permits improved ...

A magnetic cloak works by diverting external magnetic fields so that, to an external observer, the object appears to be absent or invisible. Although this idea ...

We may earn a commission from links on this page. If you’ve ever opened up an appliance, you’re probably familiar with the frustration of screws and small parts rolling away or falling inside an ...