URBAN 4 (IMAGE) Rice University Caption Rice University chemist James Tour, left, and postdoctoral research associate Bing Deng prepare to “flash” electronic waste to recover its valuable metals for recycling. The lab’s process, first developed to turn waste food and other carbon sources into graphene, has been adapted to recover other materials. Credit Jeff Fitlow/Rice University Usage Restrictions None 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.