DSC_0179.jpg (IMAGE) DOE/Idaho National Laboratory Caption INL employees prepare new beryllium reflector blocks for installation into INL’s Advanced Test Reactor during the reactor’s 11-month core overhaul that was completed March 21, 2022. Credit Idaho National Laboratory Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. License CC BY-NC 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.