Chen_Lianyi-lab-479A9718 (IMAGE) University of Wisconsin-Madison Caption From left: Associate Professor Lianyi Chen and PhD students Jiandong Yuan and Ali Nabaa work on developing beam shaping approaches for defect-lean and high productivity metal additive manufacturing. Credit Joel Hallberg/UW–Madison Usage Restrictions None 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.