Graphene Foam (IMAGE) Rice University Caption This is a scanning electron microscope (left) and transmission electron microscope (right) images of 3-D printed graphene foam. The inset (right) is a selected area defraction pattern used to confirm that the material is graphene. (Image courtesy of Yilun Li/Rice University) 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.