Stashed in: Science!, Awesomesauce, gifs, Perfect GIFs!!!, Best of Imgur
It's a basic DC motor. Using magnets instead of paperclips. The magnetic field from the magnets + current from battery = torque = rotation.
Shooting Balloons with Wicked "Lasers"
Best Mortal Kombat gif Ever ...
Yawning Grumpy Cat gif -- Tard is tired...
Homer Simpson backs into pepperoni pizza