It harnesses all the energy of the universe while putting out just as much to maintain a state of energy equilibrium. Requires you to press the up arrow key until the cat spins on its own. If you happen to blink and or look away the cat may fly away from you and space time will come to a complete stop, which means you can't fini-
Thanks to the laws of Thermodynamics for making sure such a silly thing doesn't exist. Also buttered toast on a cat will result in no entertaining anti-gravity shenanigans, you'll just end up with an unpleasant cat and some toast with cat fluff in it.
