Michael Faraday knows how to harness static electricity.
The television sends enough static electricity to the aluminum to spin the cup between the polar charged cans.
This science is common in up close magic tricks like the spinning straw trick.
So, what else can you get from a shock? Well, heed caution around gas tanks. Jumping in and out of your car while pumping can result in a spark discharge from your touch. Thus was the case in a 2006 Tennessee refueling accident.