Dancing Atoms (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption This rendering shows the atomic structure of a 2-D material, tungsten disulfide. Researchers found that in one phonon mode the selenium atoms (yellow) rotate clockwise while the tungsten atoms (blue) are still. Credit Hanyu Zhu, et al. 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.