Virtual Vortices (IMAGE) University of Bristol Caption Working principle of virtual vortices: intertwined short vortices of opposite directions are emitted to trap and stabilize the particle. Credit University of Bristol 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.