Xuezhi Zeng (IMAGE) Chalmers University of Technology Caption Xuezhi Zeng, PhD at the Department of Electrical Engineering, Chalmers University of Technology. Credit Photo: Chalmers/Malin Arnesson Usage Restrictions Credit Chalmers/Malin Arnesson License Original 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.