Graphene on Pine (IMAGE) Rice University Caption Scanning electron microscope images show pristine pine at top and laser-induced graphene on pine (P-LIG) produced at Rice University at bottom. The scale bar is about 500 micrometers. 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.