Figure 1 (IMAGE) American Physical Society Caption The red line shows the driven current density along the microwave trajectory in a DIII-D plasma, with the darker red showing where the larger current is driven into the plasma. This figure was modeled with the TORAY-GA ray-tracing code. Credit Xi Chen, DIII-D National Fusion Facility. Usage Restrictions Use with appropriate credit. 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.