Prof Sun and team members (IMAGE) The University of Hong Kong Caption Professor Hongzhe Sun and team members. (From the left) PhD student Miss Tiffany Ka-Yan IP, Research Assistant Professor Dr Hongyan LI, Postdoctoral fellow Dr Suyu WANG and Professor Hongzhe SUN. Credit The University of Hong Kong Usage Restrictions N/A 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.