Surface Coating (IMAGE) Duke University Caption A closer look at a coated surface using a scanning electron microscope shows a tiny silver nanocubes sitting on a gold surface. Credit Maiken Mikkelsen and Gleb Akselrod, 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.