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.

This is a small motor made from simple household supplies. A battery pushes current through a coil of copper wire under the influence of a permanent magnet. The coil spins freely when operating.

This file type includes high resolution graphics and schematics when applicable. Motors are rated by the output power they can produce over a given time period without overheating. These ratings are ...

A new research study examined the results from data generated by citizen scientists using a simple web-based motor test. The big data approach provides researchers with a unique way to explore how ...