Nickel Oxide Nanocrystals (IMAGE) Ural Federal University Caption This is a photo made using an electron microscope. Credit Xianmei Xiang/Lanzhou Institute of Chemical Physics 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.