Question

What happens when you wrap a magnet in aluminum foil?

Answer 1

Answer:

Somehow the motion of the magnet is causing the can to move. What is happening is that moving the magnet over the can caused small electrical currents to form in the aluminum metal.

Answer 2

Answer:

The magnet falls much more slowly when it's falling through a thick roll of aluminium foil. Gravity is still yanking it down with the same force but something is putting the brakes on. You don't need two identical magnets or a stopwatch to try these experiments.

Explanation: