Physicists at PPPL (IMAGE) DOE/Princeton Plasma Physics Laboratory Caption The researchers from left: PPPL graduate student Denis St-Onge, Princeton University professor of astrophysical sciences Matthew Kunz, and PPPL director Steven Cowley. Credit Elle Starkman 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.