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The system, known as a polar vortex, is forecast to bring subzero temperatures to the Midwest, Mid-Atlantic and deep into the South. And it looks as if we may get more arctic blasts in the coming ...

First described by Lord Kelvin in 1880, Kelvin waves are helical (spiral-shaped) waves that travel along the vortex lines, playing a vital role in how energy dissipates in quantum systems.

Kelvin waves are tiny, spiral-like disturbances that move along the length of a quantum vortex in superfluids (like liquid helium at extremely low temperatures) and ultracold atomic gases.

Kelvin waves are tiny, spiral-like disturbances that move along the length of a quantum vortex in superfluids (like liquid helium at extremely low temperatures) and ultracold atomic gases. These waves ...

After the first snowfall of the year in New York City, the freezing cold continues to affect the area, while people carry on with their daily lives on December 23, 2024. After the first snowfall ...

However, a deep freeze, thanks to the polar vortex dipping down from Siberia, is bringing an even harsher arctic blast to million Americans this week. Maps show what to expect as the cold front ...

At the same time we go into a touch milder southwest flow, the polar vortex will still be churning away over northeast Canada. I don’t expect a full onslaught of the polar vortex to shift south ...