Zhao Tian and DarkLight Receiver (IMAGE) Dartmouth College Caption Zhao Tian, Dartmouth study co-author and lead Ph.D. student for the DarkLight project, holds up the DarkLight receiver. Credit Photo by Robert Gill, Dartmouth College 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.