Underwater glider pool test (IMAGE) Purdue University Caption Nina Mahmoudian (center) and her students have developed an underwater glider that can operate silently and in confined spaces, ideal for conducting biology or climate studies without disturbing wildlife. Credit Purdue University/Jared Pike 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.