How To: Make the world's simplest homopolar engine

Make the world's simplest homopolar engine

Learn how to make the the simplest homopolar motor there is with just a regular battery, a small watch battery, and a formed copper wire. This is really as simple as a homopolar motor gets. Two batteries and some wire... that's it!

Just updated your iPhone to iOS 18? You'll find a ton of hot new features for some of your most-used Apple apps. Dive in and see for yourself:

Be the First to Comment

Share Your Thoughts

  • Hot
  • Latest