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Published online 28 February 2008 | Nature | doi:10.1038/news.2008.633
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Bat's powerful lift is illuminated by fog
Technique shows how bats and insects share the secret of slow flight.
Bats have a clever aerodynamic trick to make flying easier, researchers have found: the sharp edge at the front of their wings cuts through the air in such a way as to create a vortex on top of the wing, producing up to 40% of the lift needed to stay aloft.
“It explains how these animals are able to fly at very slow speed,” says Anders Hedenström from Lund University in Sweden, who led the research — published in Science1 — that showed the effect with a live bat.
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If the finding is proved true,I think it is a good news for all of us.In my opnion,nowever, it is a long way to go to find a really useful way to benefit humanbeing.
This amazing new shows us how interesting and unknowed are the animals. We don't know many things about the most common animals, those we think we know all about them.