Defects (IMAGE) University of Wisconsin-Madison Caption Radiation-damaged materials resemble a cratered lunar surface, and machine learning can now help with nuclear reactor design by finding a specific variety of defect faster and more accurately than expert humans. Credit Kevin Fields 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.