News tagged with wind tunnel
Generating electricity from air flow
Nov 22, 2009 |
3.5 / 5 (11) |
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A group of researchers at the City College of New York is developing a new way to generate power for planes and automobiles based on materials known as piezoelectrics, which convert the kinetic energy of motion into electricity. ...
A mechanical model of vocalization
Nov 23, 2009 |
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When people speak, sing, or shout, they produce sound by pushing air over their vocal folds -- bits of muscle and tissue that manipulate the air flow and vibrate within it. When someone has polyps or some other problem with ...
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Nocturnal wind maximum mapped for first time
Space & Earth / Earth Sciences
Nov 05, 2009 |
4 / 5 (1) |
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On beautiful, sunny days with quiet weather conditions a strong wind develops in the evening at a height of about 200 metres.
Nuclear weapons: Predicting the unthinkable
Nov 22, 2009 |
3 / 5 (6) |
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If a nuclear weapon were detonated in a metropolitan area, how large would the affected area be? Where should first responders first go? According to physicist Fernando Grinstein, we have some initial understanding to address ...
China harnesses mountain wind power
Nov 22, 2009 |
4.4 / 5 (12) |
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In the mountains above the southwestern Chinese town of Dali, dozens of new wind turbines dot the landscape -- a symbol of the country's sky-high ambitions for clean, green energy.
Using superconducting probes to get a picture of what it's like inside CNTs
Nov 20, 2009 |
4.4 / 5 (9) |
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(PhysOrg.com) -- "Carbon nanotubes are exciting for fundamental physics, and for potential technological applications," Nadya Mason tells PhysOrg.com. "However, we are generally limited in the way that we can study them. ...
Seeking a Smarter Grid: Integrating Wind Energy by Linking Buildings to the Grid
Nov 24, 2009 |
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In utility parlance, wind energy is known as a “variable load.” That’s because wind is naturally unpredictable and inconstant. What’s worse, it is more likely to blow at night, when demand for electricity ...
LHC nears restart after repairs
Nov 17, 2009 |
4.4 / 5 (16) |
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The European Organization for Nuclear Research says it expects to restart the world's largest atom smasher by this weekend after more than a year of repairs.
Warmer means windier on world's biggest lake
Space & Earth / Earth Sciences
Nov 15, 2009 |
3.8 / 5 (6) |
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Rising water temperatures are kicking up more powerful winds on Lake Superior, with consequences for currents, biological cycles, pollution and more on the world's largest lake and its smaller brethren.
Solar winds triggered by magnetic fields
Nov 02, 2009 |
4.3 / 5 (4) |
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(PhysOrg.com) -- Solar wind generated by the sun is probably driven by a process involving powerful magnetic fields, according to a new study led by UCL (University College London) researchers based on the ...
Ida now a coastal low assaulting the Mid-Atlantic
Space & Earth / Earth Sciences
Nov 12, 2009 |
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Ida is one stubborn girl. Her remnants have moved out to sea and reformed as a powerful coastal low pressure system that's been raining on the mid-Atlantic since Tuesday night, November 10. The Geostationary ...
Quantum gas microscope offers glimpse of quirky ultracold atoms
Nov 04, 2009 |
4.6 / 5 (19) |
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(PhysOrg.com) -- Physicists at Harvard University have created a quantum gas microscope that can be used to observe single atoms at temperatures so low the particles follow the rules of quantum mechanics, ...
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