News tagged with wind tunnel
Scorpions inspire scientists in making tougher surfaces for machinery
Taking inspiration from the yellow fattail scorpion, which uses a bionic shield to protect itself against scratches from desert sandstorms, scientists have developed a new way to protect the moving parts of ...
Jan 25, 2012 |
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Motorcycle helmets hard on hearing
Motorcycle helmets, while protecting bikers' brains, may also be contributing to hearing loss. Scientists mapped the airflow and noise patterns to find out why.
Jul 29, 2011 |
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Sky's no limit in high-аlying goose chase
Jessica Meir turns around and looks at the gaggle of geese behind her and asks "Are you guys ready?"
Apr 14, 2011 |
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Wind tunnel begins operations
On hot days it is often very still in cities because the high density of buildings prevents the air from circulating freely. In the newly commissioned wind tunnel operated by Empa and the ETH Zurich wind effects ...
Mar 23, 2011 |
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Optimizing large wind farms
Wind farms around the world are large and getting larger. Arranging thousands of wind turbines across many miles of land requires new tools that can balance cost and efficiency to provide the most energy for ...
Nov 23, 2010 |
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Flying fish glide as well as birds
How well do flying fish fly? This is the question that puzzled Haecheon Choi from Seoul National University, Korea. Measuring aerodynamic forces on dried darkedged-wing flying fish in a wind tunnel, Choi and ...
Sep 10, 2010 |
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Why are male spiders small while females are giant?
'Bridging', an unusual mode of getting around frequently used by vegetation-inhabiting spiders to cross large gaps, may partly explain the tendency for male spiders to be much smaller than females. Researchers ...
Aug 02, 2010 |
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Giving Robotic Flight More Buzz: Bee Study Could Improve Micro Air Vehicle Agility in Wind Gusts
(PhysOrg.com) -- Not every engineering dean wants a live bee colony outside of his office, but such is the case at the Clark School of Engineering at the University of Maryland, College Park.
Jul 30, 2010 |
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NASA Tests Launch Abort System At Supersonic Speeds
(PhysOrg.com) -- Aerospace engineers at NASA's Ames Research Center are conducting a series of wind tunnel tests to develop technology for future human space exploration. Using a six percent scale Orion model, ...
Space & Earth / Space Exploration
Jul 20, 2010 |
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Caltech Scientists Test Air Flow Over the 2010 World Cup Soccer Ball (w/ Video)
(PhysOrg.com) -- The World Cup is in full swing, complete with an official new soccer ball named Jabulani, meaning "to celebrate" in Zulu. The players, however, aren't exactly celebrating. Instead, many of ...
Jun 25, 2010 |
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Researchers Use Wind Tunnels to Test New World Cup Ball
Every four years, a new official soccer ball is designed for and used during World Cup matches. And every four years, players criticize the new ball.
Jun 08, 2010 |
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NASA Tweaks Tech Toolbox to Capture Tricky Rotor Results
(PhysOrg.com) -- "Smooth" and "quiet" are two words not usually associated with a helicopter ride, but NASA is working to change that. A full-size UH-60A Blackhawk helicopter rotor was the subject of tests ...
Jun 07, 2010 |
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Image: X-51A Makes Longest Scramjet Flight
(PhysOrg.com) -- The X-51A successfully made the longest supersonic combustion ramjet-powered hypersonic flight to date off the southern California coast on May 26. It was powered by a SJX61-2 that was first ...
Space & Earth / Space Exploration
Jun 03, 2010 |
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Flag has ladies all of a flutter
(PhysOrg.com) -- Scientists have revealed how the male common snipe 'flies the flag' to get the girl.
Apr 28, 2010 |
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Winter Olympics Science Notes: Skeleton
Shake your head as hard as you can for about one minute. That's how aerospace engineer Timothy Wei describes the sport of skeleton. And by the way, within that minute, athletes also travel head-first around ...
Feb 23, 2010 |
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