Tokomak Instability Insight (IMAGE) American Physical Society Caption This is a typical structure of a peeling-ballooning mode in the DIII-D tokamak, calculated by ELITE. Credit Philip Snyder 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.