Graphene Slides Smoothly Across Gold (IMAGE) Technische Universität Dresden Caption A graphene nanoribbon was anchored at the tip of an atomic force microscope and dragged over a gold surface. The observed friction force was extremely low. Credit University of Basel, Department of Physics 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.