Discovery could lead to self-propelled robots (image) U.S. Army Research Laboratory Share Print E-Mail Caption Scientists discover how to make materials that snap and reset themselves, only relying upon energy flow from their environment. This research could enable future military robots that are able to move off their own energy. Credit Yongjin Kim, UMass Amherst Usage Restrictions None Share Print E-Mail 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.