Research Team (IMAGE) University at Buffalo Caption University at Buffalo physicists Athos Petrou (far right) and Hao Zeng (second from right) were among co-leaders of the new study probing the "valley" physics of 2D tungsten disulfide. Also pictured, from left to right, are UB physics graduate students Tenzin Norden, Chuan Zhao, and Peiyao Zhang, all co-authors of the new study. Credit Credit: Douglas Levere / University at Buffalo Usage Restrictions This image may only be used in news reports discussing the research in the associated press release. 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.