Quantum vortices in helium are almost macroscopic, and can be be imaged in a light microscope:


How can vorticity be quantized on such a large scale. The angular momentum in the fluid around a quantum vortex is many, many orders of magnitude more than Planck's constant.

  • $\begingroup$ Nothing in that article suggests that it is easy to image the vortices. I think the group's method of capturing the vortices on film is pretty clever. $\endgroup$ – Harry Wilson Sep 10 '15 at 16:36

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Browse other questions tagged or ask your own question.