Sir Isaac Newton said that energy can’t be created or destroyed, but he didn’t establish any laws about paying for it. Countless scientists and inventors have since proposed free energy recipes, and MythBusters Jamie Hyneman and Adam Savage cooked up a handful, including a G-strain amplifier, a Minto wheel and the Bendini motor, and took them for a test run. Find out what happened. Learn more from the Discovery Channel’s MythBusters.