Stephan writes – “”This site describes how to make a slip ring power connector by using four ball bearings. It then is connected to a motor’s axle and allows to continuously power a rotating fluorescent light. – Link.
Editor at large – Make magazine. Creative director – Adafruit Industries, contributing editor – Popular Science. Previously: Founded – Hack-a-Day, how-to editor – Engadget, Director of product development – Fallon Worldwide, Technology Director – Braincraft.