News tagged with air pressure

Bats anticipate optimal weather conditions

Millions of animals fly, swim or walk around the Earth every year. To ensure that they reach their destination, they need to perceive precise changes in environmental conditions and choose the right moment to set off on their ...

dateSep 20, 2017 in Plants & Animals
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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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