Rotating Cryostat (IMAGE) Aalto University Caption Rotating cryostat with the superfluid helium near absolute zero (left); a novelty model of a vortex inside a container (right) similar to the one inside the cryostat. The actual vortices are perfectly even, whereas in the model, the vortex varies in thickness. Credit Aalto 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.