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Superfluid spirals: Scientists control Kelvin waves for first time
In a new study published in Nature Physics, researchers have developed the first controlled method for exciting and observing Kelvin waves in superfluid helium-4. First described by Lord Kelvin in ...
AOL17d
Waves in the sky: Kelvin-Helmholtz clouds spotted in Canada
It's a first for me." Anne Wilkie posted on X. What she saw was a Kelvin-Helmholtz wave cloud, named after Hermann von Helmholtz, who discovered the atmospheric instability that leads to this ...
The Bemidji Pioneer18d
John Wheeler: Waves in the sky are a relatively common sight
The pleasant rhythm of waves lapping at the lake shore is caused by wind blowing over the water at a faster speed than the ...
inforum18d
John Wheeler: Waves in the sky are a relatively common sight
This causes the cloud to take on the shape of rolling waves. Called Kelvin Helmholtz clouds, or just wave clouds, these clouds are a sign of turbulence in the air. The cloud’s name comes from ...
Waves in the sky: Kelvin-Helmholtz clouds spotted in Canada
A woman in Calgary, Alberta, Canada, saw a strange, wavy cloud in the sky on Feb. 22, 2025, and took to X, formerly known as Twitter, to crowdsource an answer. "Does anyone know what is happening here ...