Smoke rings are being seen in a new light. Doughnut-shaped structures called vortex rings are sometimes seen swirling through fluids. Smokers can form them with their mouths, volcanoes can spit them ...

Mount Etna in Sicily has been blowing spectacular ‘smoke rings’ into the sky since Wednesday. The volcano, which towers over the historic port city of Catania, is the largest in Europe and one of the ...

To see the gun in action, go to http://tinyurl.com/8xu2npq Engineers at the Battelle Memorial Institute are patenting a special vortex gun they developed. It might ...

Add Yahoo as a preferred source to see more of our stories on Google. Volcanic vortex rings emerge from a new pit crater on the north side of the southeast crater of Mount Etna in Sicily Mount Etna, ...

Weather experts have been left baffled by a solid black ring which appeared in the sky -- but a former UFO investigator claims it's a Smoke Vortex. SWNS.com Alien hunters say a fresh sighting of a ...

A smoke ring formed in the sky after a transformer explosion in Branford on Thursday and the mysterious looking formation is called smoke vortex ring. Smoke vortices form when there is a blast through ...

Better understanding the formation of swirling, ring-shaped disturbances -- known as vortex rings -- could help nuclear fusion researchers compress fuel more efficiently, bringing it closer to ...

The science pros at TKOR build a giant smoke ring toy to study air vortex motion.