A 1.5 inch diameter wooden ball is suspended by a string from a bar attached to a magnet which sticks to the blackboard. The maximum length of the string possible with our blackboards is 90 cm. Mark ...

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 ...

Magnetic pendulum with three fixed-point attractors and the corresponding basins of attraction. (Left) Illustration of the magnetic pendulum system. (Right) Basins of attraction for the region of ...

Recent studies have introduced innovative approaches using magnetic pendulum arrays to tackle the inefficiencies of electrically small antennas for ultra low frequency (ULF) transmissions.