Friday, June 6, 2008

Bubble Rings (Toroidal Vortices)

Last night on the ABC there was a show called Catalyst that had a story on bubble rings, or toroidal vortices. A toroidal vortex occurs when a fluid flows back in on itself to form a donut shape, like the ring around a mushroom cloud. You can see dolphins making and then playing with them in the video located here.

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