Energy density (IMAGE) University of Chicago Caption University of Chicago scientists pioneered a way to create a contained “ball” of turbulence in a tank of water, which has never been done before. Above, a visualization shows the average energy density of the ball over time. Credit Takumi Matsuzawa Usage Restrictions Use only with written persmission License Original 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.