Picture2 (IMAGE) DOE/Idaho National Laboratory Caption Scanning electron microscopy image of a metallic fuel with advanced geometry irradiated at the Advanced Test Reactor showing extensive microstructure reorganization due to irradiation. Credit Idaho National Laboratory Usage Restrictions N/A License Original 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.