Have magnet, will motor?
You know what it's like.
You find yourself stranded in the jungle, up a mountain or on a desert island with nothing but a few simple household items.
All you need is an electric motor for a way out of your predicament.
As the video above reveals you can build an electric motor with nothing but a battery, a nail, a wire and of course a magnet.
Then, fully equipped, you can helicoptor your way back to safety or something.
What a buzz.