Ultraconductive Copper-Carbon Nanotube Composite (IMAGE) DOE/Oak Ridge National Laboratory Caption ORNL scientists used new techniques to create long lengths of a composite copper-carbon nanotube material with improved properties for use in electric vehicle traction motors. Credit Andrew Sproles, ORNL/U.S. Department 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.