Vortex

A vortex ring, also called a toroidal vortex, is a torus-shaped vortex in a fluid; that is, a region where the fluid mostly spins around an imaginary axis line that forms a closed loop.

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A23a iceberg moving north again after being trapped in vortex

Dragonfly wings used to study relationship between corrugated wing structure and vortex motions

Quantum Puzzle Solved: The Great Mystery of Quantized Vortex Motion

Alien green flash: Lightning crackles in vortex near Jupiter's north pole (photo)

Finally solved! The great mystery of quantized vortex motion

The north pole of Uranus has a stormy vortex and we've just seen it for the 1st time (photo)

Demystifying vortex rings in nuclear fusion, supernovae

Vortex Crossfire HD 10x42 binoculars are now 34% off

Scientists marvel at whirlpool of plasma forming polar vortex on sun

Part of The Sun Has Broken Off And Formed a Vortex… What The Heck Is Going on?

Strange unprecedented vortex spotted around the sun's north pole

Polar Vortex Drives a Cold Snap in Asia

‘Polar Vortex’ Got You Baffled? Try This Extreme-Weather Guide

Like Polar Vortex, Atmospheric Rivers Are Being Mischaracterized

Weather Whiplash - The configuration of the polar vortex may have played a role in unleashing bitter cold followed by record warmth in North America

Polar Vortex Unleashed Winter Weather Whiplash in the US

What Is the Polar Vortex? And Other Cold-Weather Climate Questions

Polar vortex is set to drive record cold temperatures in the US

Santa’s Bringing A Piece Of The Polar Vortex To Town - Prepare Now

Viking Knots Linked With Quantum Vortices – A Vortex Structure That Is Impervious to Decay