Magnetic forces take center stage in a series of fascinating tricks and experiments that reveal their ... These engaging activities make science fun and easy to understand, turning ordinary ...

A strong permanent magnet acts as a simple pendulum, swinging back and forth while hanging from strings. A copper plate underneath the magnet can be moved up to tune the eddy current damping. Swing ...

This experiment makes it easy to see magnetic fields in action. All you need is some iron oxide, some water, and a jar. When you place an extremely powerful magnet along the outside of the jar ...