graphene (IMAGE) Rice University Caption Transmission electron microscope (TEM) image of layered stacks of nano-scale flash graphene sheets formed from waste plastic. Credit (Image courtesy of Kevin Wyss/Tour lab) Usage Restrictions Must credit Kevin Wyss/Tour lab. License Original 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.