Figure 1 (IMAGE) American Physical Society Caption (Left) Record fusion triple products achieved by different fusion concepts over time illustrates progress towards fusion energy gain. (Right) Achieved values of Lawson parameter and temperature plotted against curves of scientific gain. Credit Wurzel and Hsu Usage Restrictions Use with credit 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.