Simulation of Nickel Grains (IMAGE) University of Utah Caption A simulation of 3-nm-grain-sized nickel under strain. Colored lines indicate partial or full grain dislocation. Credit Zhou et al Usage Restrictions Credit as indicated 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.