Here’s a trick that’ll make your coworkers smile. Dangerously Fun has a guide to build a homopolar motor from a battery, copper wire, and magnet. A homopolor motor doesn’t rely on ...

We’re not sure if he has any use in mind for this build. For us we just like to see the concept in practice (we feel the same way about a homopolar motor build).

For those that aren’t technologically savvy, a homopolar motor is a direct current electric motor with two magnetic poles. Mirko uses two magnets and a battery to create this amazingly simple motor.