Expanding 2-D Nanosheet (IMAGE) University at Buffalo Caption Light causes crystal lattice to swell, opening new possibilities for artificial muscles, tiny electronics. Credit Richard Remsing, Ph.D., Temple 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.