Klystron gallery at SNS (IMAGE) DOE/Oak Ridge National Laboratory Caption The red and blue klystrons at the Spallation Neutron Source help power the proton beam used to produce neutrons for materials research at Oak Ridge National Laboratory. Credit Genevieve Martin/ORNL Usage Restrictions none 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.