CUBES 2 (IMAGE) Rice University Caption Microscopic silver cubes were the bullets in Rice University experiments to show how deformation upon impact can make materials stronger and tougher. Credit Thomas Group/Rice 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.