Granular-jet Fireworks (IMAGE) University of Chicago Caption Decreasing the number of glass beads in the cross section of the jet changes the behavior of the granular stream after hitting the target from liquid-like pattern to one that looks like fireworks. This latter pattern is more characteristic of how individual particles would behave after hitting a wall. Credit Image courtesy of Xiang Cheng, University of Chicago Usage Restrictions This image may be used in news reports describing the research of Sidney Nagel, Heinrich Jaeger and Xiang Cheng at the University of Chicago. 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.