The Hydrogel Gluing to a Glass Block (VIDEO) Hokkaido University This video is under embargo. Please login to access this video. Caption The hydrogel took only five seconds to glue to the glass block before lifting it up out of the seawater to the air. (Hailong Fan et al., Nature Communications, November 12, 2019) Credit Hailong Fan et al., <em>Nature Communications</em>, November 12, 2019 Usage Restrictions This video is copyrighted and can be used for reporting on this research work without obtaining a permission if credited properly. 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.