Wendy Mao and Yu Lin, Stanford University (IMAGE) Stanford University Caption Graduate student Yu Lin loads glassy carbon spheres into a sample chamber where they will be compressed by a pair of diamond anvils. Wendy Mao, assistant professor of Geological and Environmental Sciences, looks on. Credit L.A. Cicero, Stanford News Service Usage Restrictions May not be altered or sold without written permission from Stanford University News Service. 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.