Everyone knows you can do some crazy stuff with magnets, but things get really insane when you start playing with electromagnets. When you run an electric current through a coil of wire to create a magnetic field, you can chop soda cans in half in epic explosions and send discs flying up in the air that’ll smash into the ceiling. Electromagnets even have the ability to shrink a quarter. It’s awesome.
Source: Gizmodo – Watch Electromagnets Explosively Shred a Soda Can in Half