The Research Group (IMAGE) Hong Kong University of Science and Technology Caption HKUST's Vice-President (Research and Development) Prof. Nancy IP (Middle) and her research team members - including doctoral student Mr. Jason JIANG Yuanbing (second left) who is the first author of this research paper. Credit HKUST 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.