Contact: Steve Koppes
University of Chicago
Caption: A vortex loop begins to form a knot during a demonstration in the laboratory of William Irvine, professor in physics at the University of Chicago.
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