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...
In the early 1800s, physicist Michael Faraday invented the first device to convert electrical energy into mechanical motion. This is an easily built version of...
Video is from Google Videos. American Antigravity. "I don't like the term perpetual-motion", says Sterling D. Allan, founder of Pure Energy Systems.... whatever you might...