Microscopic view of copper nanowires. (IMAGE) DOE/Ames Laboratory Caption Left: Scanning electron microscopy image of the CuNW network on a copper-sprayed surface. Right: Up-close image of CuNW nanowire, which is about 60 nm in diameter, approximately 100x smaller than a human hair. Credit U.S. Department of Energy Ames National Laboratory Usage Restrictions With credit to U.S. Department of Energy Ames National Laboratory. 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.