Funny prank to play on your friends. I highly recommend this for college kids. Its good to use in the office on a coworker, your boss, or on your roomate. Very simple and highly effective prank. More my videos - http://www.desktop-ghost.com

This very simple electric motor is called a homopolar motor because the magnetic field does not change direction or strength. With only three parts, it is the simplest motor you can make. More my videos at http://www.desktop-ghost.com