A Graphene-Based Sensor (IMAGE) Ecole Polytechnique Fédérale de Lausanne Caption If given the correct geometry, graphene is able to focus the light on a precise spot on its surface and "hear" the vibration of a nanometric molecule that is attached to it. Credit EPFL / Miguel Spuch / Daniel Rodrigo 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.