Group (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption Heinz Frei (right), Georgios Katsoukis (left), and Won Jun Jo (center), who is holding a small piece of the team's solar fuel tile material. The screen on the right displays a microscopy image of the material, which is composed of nanosized tubes. Credit Marilyn Sargent/Berkeley Lab 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.