Large-Scale Hydrogel Dots Array (VIDEO) City University of Hong Kong This video is under embargo. Please login to access this video. Caption Video showing large-scale hydrogel dots array on the slippery collecting water micro-droplets. Credit City University of Hong Kong & PNAS Usage Restrictions The video can only be used with appropriate caption and credit. 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.