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The title says it all: this blog features physics videos found everywhere on the web: animations, demonstrations, lectures, documentaries.
Please go here if you want to suggest other nice physics videos, and here if I mistakingly infringed your copyrights. If you understand French, you'll find a huge selection of physics videos in French in my other blog Vidéos de Physique.

Wednesday, 30 October 2013

Fluid Knots and Smoke Ring Physics

"Filamental Vortex Loops," such as those found in smoke rings and mushroom clouds, crop up in a number of applications in fluid dynamics. Earlier this year, scientists created a long-sought twist on this phenomenon: knotted vortex loops.

 With the help of 3-D printer-created hydrofoils, lasers, and a high-speed camera, researchers from the University of Chicago collected the beautiful images in this video.

 

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