Neodymium magnet defies gravity

eddy current

What happens when you drop a stack of neodymium magnets through a copper pipe? Gravity would dictate that the magnets fall to the floor in a clunky fashion, but in reality they float down the tube. While the neodymium magnets are not actually attracted to the copper, they produce eddy currents that buffer the fall.

more →
Posted in: Uncategorized