One-am Swimmer (IMAGE) Rice University Caption A one-torso, one-arm swimmer made of magnetically linked particles moves under the influence of an eccentric magnetic field. Rice University researchers believe it represents the simplest possible form of locomotion. Credit Biswal Lab/Rice University Usage Restrictions For news reporting purposes only. 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.