Purdue Wearable Energy Device (IMAGE) Purdue University Caption A Purdue University team created wearable technology to convert mechanical energy into electrical energy. Credit Wenzhuo Wu/Purdue University 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.