Combined (IMAGE) DOE/Argonne National Laboratory Caption The corkscrew mechanism, shown in a density image of a BEC sample (left) and in an angular momentum transfer image (right). Credit Image by Florida State University. 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.