Snowflake Diverter (IMAGE) American Physical Society Caption This is a "snowflake" divertor -- a novel plasma-material interface is realized in the National Spherical Torus Experiment. Credit V. Soukhanovskii, Lawrence Livermore National Laboratory 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.