Advanced Light Source (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption Berkeley Lab’s Advanced Light Source is a DOE national user facility that features amongst its beamlines a full-field magnetic transmission soft X-ray microscope with spatial resolution down to 20 nanometers. Credit Photo by Roy Kaltschmidt, Berkeley Lab 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.