Researchers (IMAGE) The University of Hong Kong Caption Professor Wang Liqui (left) and Dr Zhu Pingan from HKU Mechanical Engineering Department showcase the liquid repellent material they innovated. Credit The University of Hong Kong 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.