While it’s moving quickly, the ring is very stable and retains its shape. 5. As it descends and slows down, the donut suddenly becomes unstable and breaks up - it's called a vortex breakdown.

Vortex rings are pretty cool, and electromagnetism even cooler. Now, a team of physicists have found a way to combine the two phenomena, creating the electromagnetic vortex cannon.

Vortex rings, a mysterious and fascinating natural phenomenon, display breathtaking structures and behaviors in both air and electromagnetic waves. Imagine an air cannon that can shoot vortex ...

Here’s how it works. Europe's most active volcano, Mount Etna, is blowing scores of ethereal "vortex rings" every day from a single vent located in one of its most active craters. On July 23 ...

Demystifying vortex rings in nuclear fusion, supernovae Date: May 19, 2023 Source: University of Michigan Summary: Better understanding the formation of swirling, ring-shaped disturbances -- known ...

The paper said that it's unknown what exact physical conditions allow volcanic vortex rings to form. After creating model simulations, scientists learned that the formation of the rings "requires ...

Engineers at Ohio State University have now developed handheld tools that cleanly extinguish fires with 'ionic wind’ and vortex rings. If you’ve ever blown out a birthday candle, you’ll know ...

The volcano, one of Europe’s most active, has been spewing volcanic vortex rings at a rapid pace. But that doesn’t mean a big explosion is on the way, one expert says. By Elisabetta Povoledo ...

(Courtesy: Takumi Matsuzawa) Researchers in the US have isolated a ball of turbulence inside a tank of water and sustained it by firing vortex rings from the corners of the tank. William Irvine and ...

A lobe of the polar vortex, a ring of freezing air typically found near the North Pole, will once again move into the central and eastern states this week, bringing some of the coldest air of the ...