Isotopes - Welding advances (VIDEO) DOE/Oak Ridge National Laboratory This video is under embargo. Please login to access this video. Caption The orbital welder makes a clean seam on hollow targets, eliminating the need for hand-finishing and reducing the amount of time staff spend in the glovebox. Credit Credit: Carlos Jones/ORNL, U.S. Dept. of Energy 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.