Engraving depicting the studying of vortex rings. A vortex ring, also called a toroidal vortex, is a torus-shaped vortex in a fluid or gas; that is, a region where the fluid mostly spins around an imaginary axis line that forms a closed loop. Dated 19th Century


Size: 6474px × 3239px
Location:
Photo credit: © World History Archive / Alamy / Afripics
License: Licensed
Model Released: No

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