Decaying Vortex Ring (IMAGE) University of Chicago Caption Researchers produced this image in a computer simulation of an unexpected phenomenon found in an experiment involving ultracold superfluids. This image shows a three-dimensional view of a vortex line (red) as it forms from a decaying vortex ring in a superfluid. Credit Peter Scherpelz Usage Restrictions News organizations may use these images in connection with reports about the research of Kathryn Levin and her associates. 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.