Blowing Dust to Cool Fusion Plasmas (IMAGE) DOE/US Department of Energy Caption This schematic shows exhaust in the tokamak divertor region. The zoomed-in area shows the divertor geometry and photos from the experiments. As seen in the photos, the heat fluxes decreased during powder injection. Credit Image courtesy of General Atomics Usage Restrictions Image courtesy of General Atomics 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.