News tagged with flight speed
Researchers find critical speed above which birds- and drones- are sure to crash
The northern goshawk is one of nature's diehard thrill-seekers. The formidable raptor preys on birds and small mammals, speeding through tree canopies and underbrush to catch its quarry. With reflexes that rival a fighter ...
Technology / Computer Sciences
Jan 19, 2012 |
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Largest bird alters its foraging due to climate change
Paris/ Leipzig. Wandering albatrosses have altered their foraging due to changes in wind fields in the southern hemisphere during the last decades. Since winds have increased in intensity and moved to the ...
Jan 12, 2012 |
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Pentagon successfully tests hypersonic flying bomb
The Pentagon on Thursday held a successful test flight of a flying bomb that travels faster than the speed of sound and will give military planners the ability to strike targets anywhere in the world in less than a hour.
Nov 17, 2011 |
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Like birds in the sky: Green flight challenge competition, day two
On the second day of the CAFE Green Flight Challenge, sponsored by Google, planes competing in the challenge flew like birds in the sky to test the fuel efficiency of their aircraft. ...
Space & Earth / Space Exploration
Sep 29, 2011 |
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DARPA releases video of HTV-2 hypersonic glider flight
An unmanned glider streaks over the Pacific Ocean at 20 times the speed of sound in a video released Thursday by a U.S. defense research agency experimenting with technology that could give the military the ...
Aug 25, 2011 |
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Flight Artists film smallest insect in flight
The Flight Artists team from Wageningen University, the Netherlands, has been the first to make high-speed camera footage of parasitic wasps of about 1 mm wingspan.
May 25, 2011 |
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How do honeybees control their flight speed to avoid obstacles?
Unlike humans, bees have a dorsal visual field that enables them to avoid obstacles above their heads. Until now, it was not known whether this helped them to control their flight speed. Recent research by ...
May 16, 2011 |
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Flight speed is affected by diet in early life
A good start in early life means everything, and not just for children cajoled into eating their vegetables. Zebra finches that grew up on a poor diet may catch up in weight and size, but become slower to ...
May 10, 2011 |
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New materials designed to deal with hypersonic and supersonic hot stuff (w/ Video)
University of Queensland researchers are testing new materials to withstand the extreme heat experienced by hypersonic vehicles in flight so they can fly for substantially longer.
Dec 24, 2009 |
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NASA Launches New Technology: An Inflatable Heat Shield
A successful NASA flight test Monday demonstrated how a spacecraft returning to Earth can use an inflatable heat shield to slow and protect itself as it enters the atmosphere at hypersonic speeds.
Space & Earth / Space Exploration
Aug 17, 2009 |
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Trading energy for safety, bees extend legs to stay stable in wind
New research shows some bees brace themselves against wind and turbulence by extending their sturdy hind legs while flying. But this approach comes at a steep cost, increasing aerodynamic drag and the power ...
Jun 02, 2009 |
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