This video explains how magnets work and how magnetic fields are generated by the movement of electric charges. Magnetic ...

A new study reveals that insulating buffer layers are no longer needed for ultrathin magnetic racetrack devices, unlocking ...

WASHINGTON -- Dr. Demetrius Lopes snaked a thin wire with a tiny magnet on its tip into an artery in Paul Kelsey's groin and threaded it all the way up into his brain. Aided by a helmet-shaped magnet ...

In a metal like copper, however, the outer electrons swim around freely and are shared by all the atoms. That’s why ...