Push puppet metamaterial (IMAGE) University of California - Los Angeles Caption The undeployed metamaterial (left) gains strength and form when deployed (center), with the ability to return to its limp state (right). Credit Wenzhong Yan/UCLA Usage Restrictions None License Original 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.