Sheet of Rivet Graphene (IMAGE) Rice University Caption A sheet of rivet graphene (outlined in yellow) floats in water. The enhanced graphene created at Rice University can be transferred from its growth substrate without the need for contaminating polymers. Credit Tour Group/Rice University Usage Restrictions For news reporting purposes only. 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.