Yan Wan, University of North Texas (IMAGE) U.S. National Science Foundation Caption As part of the Global City Teams Challenge, Yan Wan from the University of North Texas is leading a group that is developing unmanned aerial vehicles capable of providing wireless communications to storm-ravaged areas where telephone access might be out. Credit NSF 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.