This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. KANSAS CITY, Mo. — National Engineers ...

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 ...

There are a number of examples of simple homopolar motors that rotate a conducting wire around an AA battery, but Magnetic Games took it a step further by attaching circular magnets to the ends of ...