Giant Graphene Oxide Flake (IMAGE) Rice University Caption A single flake of graphene oxide roughly 40 microns wide, seen under an electron microscope, sits atop a copper support. Such "giant" flakes form into a gel-like liquid crystal in solution. Credit Rice University/University of Colorado at Boulder 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.