The Tabletop Explainer is an intermittent educational vlog presenting answers to viewer questions, brief science lessons, and ideas for teachers and students. It is a...
This is the simplest motor in the world. But what unexplained phenomenon makes it go? Make an ultra-simple homopolar electric motor with only a battery,...
The Heart shape has become almost traditional in the tiny world of homopolar motors. Here, two unique wire-form hearts show some surprising twists, then unite...
