Upcycling polymers of discarded plastics (IMAGE) DOE/Oak Ridge National Laboratory Caption To upcycle the polymers of discarded plastics, chemists at Oak Ridge National Laboratory invented a way to generate new macromolecules with more valuable properties than those of the starting material. Credit Adam Malin/ORNL, U.S. Dept. of Energy 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.