Materials - Turning down the heat (IMAGE) DOE/Oak Ridge National Laboratory Caption Shown here is an on-chip carbonized electrode microstructure from a scanning electron microscope. Credit ORNL, U.S. Dept. of Energy 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.