Artificial Foot (1 of 2) (IMAGE) University of Michigan Caption University of Michigan researchers developed an artificial foot that recycles energy otherwise wasted in between steps. The device could make it easier for amputees to walk. 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.