Extreme weather from the stratosphere

ETH climate researcher Daniela Domeisen has documented how the stratosphere influences extreme weather events. What surprised her was the sheer range of potential impacts. She explains what this means for climate research ...

Why snow days are becoming increasingly rare in the UK

Winter frost fairs were common on the frozen River Thames between the 17th and 19th centuries, but they've become unimaginable in our lifetime. Over decades and centuries, natural variability in the climate has plunged the ...

Face shields no match for sneeze vortex rings

Do face shields provide enough protection to the wearers against COVID-19 if they don't also wear a mask? Spoiler alert: no. But researchers at Fukuoka University in Japan are working to create face shields safe enough to ...

Magnetic vortices come full circle

Magnets often harbor hidden beauty. Take a simple fridge magnet: Somewhat counterintuitively, it is 'sticky' on one side but not the other. The secret lies in the way the magnetisation is arranged in a well-defined pattern ...

Refined finish for fine fish oil

Not all fish oils are high quality oils, so scientists have developed a superior method to help produce better dietary Omega-3 health and dietary supplements.

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Vortex

A vortex (plural: vortices) is a spinning, often turbulent, flow of fluid. Any spiral motion with closed streamlines is vortex flow. The motion of the fluid swirling rapidly around a center is called a vortex. The speed and rate of rotation of the fluid are greatest at the center, and decrease progressively with distance from the center.

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