David Gates (IMAGE) DOE/Princeton Plasma Physics Laboratory Caption Physicist David Gates with design for a permanent magnet stellarator. Credit Collage by Elle Starkman/PPPL Office of Communications. 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.