Home trainer with heat pump. In the left tub is a bottle of beer, but at the required pedaling to make the beer cool, it’s likely to give up before. A good example to collect personal experience with the princip of a heat pump.
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.