Paul Ganssle, Berkeley Lab (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption Paul Ganssle is the corresponding author of a paper in Angewandte Chemie describing the ultra-low-field NMR using an optical magnetometer. 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.