Watch This: Knots Made of Water, Seen in 3-D
Reconstruction of the vortex core and flow field from raw 3D data. The rendered data correspond to a three-fold distorted loop (a), a trefoil knot (b) and a pair of linked rings (slightly after the first reconnection event (c). Image courtesy of Dustin Kleckner and William T. M. Irvine/Nature Physics When[...]





