Contact: Steve Koppes
University of Chicago
Caption: When accelerated to more than 100 g in a specially prepared water tank, hydrofoils like these can generate knotted vortex loops. Physicists have unsuccessfully attempted to create knotted vortices in the laboratory for more than a century.
Credit: Robert Kozloff/University of Chicago
Usage Restrictions: News organizations may use this image in connection with reports about the work of Dustin Kleckner and William Irvine.
Related news release: Vortex loops could untie knotty physics problems