Nanocubes (IMAGE) Duke University Caption Silver nanocubes spread out over the new device's entire surface. Whereas previous research has reported on individual cubes displaying improved properties, the new work showed these efficiency improvements can be achieved on a macroscopic scale. Credit Andrew Traverso, Duke University 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.