3-D Grain Map with Crack Superimposed (IMAGE) European Synchrotron Radiation Facility Caption Grain map with crack superimposed, showing crack following grain boundaries. Credit Andrew King 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.