Clusters (1 of 2) (IMAGE) Moscow Institute of Physics and Technology Caption These are three clusters of physicists. Credit Ilya Vasilyev and Pavel Chebotarev/Large-Scale Systems Control 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.