Hydrogel Grabber (IMAGE) North Carolina State University Caption Researchers have created a hydrogel "grabber" that can grasp and release objects. Credit Orlin Velev Usage Restrictions Image credit must be given. 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.