This persnickety number determines the strength of magnetic fields. It figures in everything from motors and generators to audio speakers. Oh, and without it we’d live in eternal darkness.

A new model uncovers how Earth’s liquid core has sustained its magnetic field since the planet’s beginnings, offering new ...

The technology could have promising applications for nuclear fusion research and other commercial uses, the researchers said.

Angular momentum is a fundamental quantity in physics that describes the rotational motion of objects. In quantum physics, it encompasses both the intrinsic spin of particles and their orbital motion ...

A research team led by the Institute of Plasma Physics, Chinese Academy of Sciences, has developed an all-superconducting ...