Artificial Foot Diagram (IMAGE) University of Michigan Caption Because the University of Michigan engineers' energy‑recycling foot takes advantage of power that would otherwise be lost, it uses less than one Watt of electricity through a small, portable battery. Credit Steve Collins Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.