IN the preface to this book Prof. Gray defines his aim to be the presentation of the whole subject of electricity and magnetism from the point of view of action in a medium, and his method to be a ...

AI is evolving at an incredible pace, but its growing energy demands pose a major challenge. Enter spintronic devices—new ...

Two companies have collaborated to expand the product range of magnet-free electric motors to upper-segment applications.

Electromagnetism is due to the magnetic fields around electric currents. The fields can cause forces with other nearby magnets which can be used to make motors spin and loudspeakers produce sound ...