NANOSUB (1 of 3) (IMAGE) Rice University Caption Rice University scientists have created light-driven, single-molecule submersibles that contain just 244 atoms. Credit Loïc Samuel/Rice University 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.