The ILL reactor (IMAGE) Institut Laue-Langevin Caption ILL High Flux reasearch reactor: Cherenkov radiation visible in the reactor pool. Credit Jean-Louis Baudet Usage Restrictions 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.