Map (IMAGE) Virginia Tech Caption A map of the team's research region. Figure courtesy of Gengping Zhu from the University of Tennessee Knoxville. Credit University of Tennessee Knoxville. Usage Restrictions Credit University of Tennessee Knoxville. 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.