News tagged with air pressure

What is the polar vortex?

The polar vortex is a large area of low pressure and cold air surrounding both of the Earth's poles. It ALWAYS exists near the poles, but weakens in summer and strengthens in winter. The term "vortex" refers to the counter-clockwise ...

dateDec 15, 2016 in Earth Sciences
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Designing ice repellent materials

Materials that actively repel water and ice very strongly are sought after by the aviation industry and for many other technical applications. ETH researchers have now found out how to specifically design the rigid surfaces ...

dateNov 04, 2015 in Condensed Matter
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