Feature image (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption The upgrade to the Advanced Light Source at Berkeley Lab will add two new particle accelerator rings within the iconic building’s footprint. Credit Thor Swift/Berkeley Lab 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.