Experiment (IMAGE) CNRS Caption View of the experimental set-up By using larger than usual tanks, the scientists showed that the lateral confinement imposed by parameters set too narrowly, or by ports and locks, exacerbates boats' dynamic oscillations Credit © Pprime (CNRS) & LMA (CNRS/Université de Poitiers) 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.