The Simplest Motor In The World

There's loads of homopolar motor videos out there but this sums things up well. It's a battery, magnet and wire. I don't fully know why it works - it's not a simple Force-Field-Current explaination. I think there's some crazy quantum mechanics explaination. I'll find out and let you know. You are shorting a battery - don't have one blow up in your face.