Group photo (IMAGE) The University of Hong Kong Caption Dr Chengkang Zhou (left) and Professor Zi Yang Meng (right) from the Department of Physics at The University of Hong Kong. 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.