When a magnetic material is bombarded with short pulses of laser light, it loses its magnetism within femtoseconds (10 –15 seconds). The spin, or angular momentum, of the electrons in the material ...

Introduction You might have seen figure skaters spinning around quickly and then tucking their arms to spin faster—or opening them to spin more slowly. This happens, thanks to a physics concept known ...

To see physics in action in everyday life, look no further than figure skating. And as the men hit the ice to show off their spins and combinations Tuesday in the Winter Olympics, here's a perfect ...