The hummingbird is named after the humming sound it makes when it hovers in front of flowers to feed. But only now has it become clear how the wing generates the hummingbird's namesake sound when it is beating rapidly at ...
Plants & Animals
Mar 16, 2021
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1623
Compared to birds and insects, bats have heavy wings for their body size. Those comparatively cumbersome flappers might seem a detriment to maneuverability, but new research shows that bats' extra wing mass makes possible ...
Plants & Animals
Nov 16, 2015
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80
Obtaining the aerodynamic properties necessary to simulate falling leaves or a tumbling box caught by the wind can be as simple as dropping the object off of a balcony and recording the fall, thanks to OmniAD, a data-driven ...
Computer Sciences
Aug 5, 2015
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49
The developer of the commercial spacecraft that broke apart during a test flight over California's Mojave Desert last year failed to protect against human error, specifically the co-pilot unlocking a braking system too quickly ...
Space Exploration
Jul 28, 2015
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32
A new instrument may help to carry out tests to optimize miniature drones, in attempts to assess their flight performance more precisely. A team from Stanford University have shown how flapping wings enable flying animals ...
Federal investigators who have been in the Mojave Desert trying to find out why an experimental spaceship crashed are wrapping up their work in Southern California.
Space Exploration
Nov 7, 2014
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0
Federal accident investigators say that tiny pieces of an experimental spaceship that broke up in flight have been found 35 miles from the main wreckage area.
Space Exploration
Nov 4, 2014
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0
Bats are uniquely able to stretch and store energy in their bicep and tricep tendons during take-off and climbing flight, giving them an extra power boost. A new study on fruitbats, to be presented at the meeting of the Society ...
Plants & Animals
Jul 5, 2013
1
0
Active systems in helicopter rotor blades can adapt the blades' aerodynamic properties to local airflow conditions. The use of such systems leads to lower fuel consumption, increased maximum speed and reduced noise and vibration. ...
Engineering
Mar 6, 2013
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0
As of today, the Wikipedia entry for the hummingbird explains that the bird's flight generates in its wake a single trail of vortices that helps the bird hover. But after conducting experiments with hummingbirds in the lab, ...
General Physics
Feb 25, 2013
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1
