Electron beam melting (IMAGE) DOE/Oak Ridge National Laboratory Caption A 3D printer at the Manufacturing Demonstration Facility, seen here as it creates objects using electron beam melting, was used to print an unusual crack-free alloy for use in turbines that operate at extreme temperatures. Credit Saket Thapliyal/ORNL, U.S. Dept. of Energy 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.