Homopolar motor 🧲🔋 Great demo for electromagnetic forces! Try to use a neodymium magnet that matches the size of your batteries. Use 20 gauge copper wire. ⚠️Caution! Students can burn themselves if they are not careful with the wire. I tell them not to touch the ends of the wire that are touching the battery or the magnets. Credit: @survivingmsscience Look out for our weekly posts with videos, photos, and other resources that will spark your attention! Follow along and learn more about these a