News tagged with sound
Singing in the rain: Technology improves monitoring of bird sounds
Researchers at Oregon State University have created a new computer technology that can listen to multiple bird sounds at one time to identify which species are present and how they may be changing as a result ...
May 31, 2012 |
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Seattle Fault Zone -- 900-930 AD earthquake larger than previously thought
A fresh look at sedimentary evidence suggests the 900-930 AD rupture of the Seattle fault possibly produced a larger earthquake than previously recognized. The Seattle fault zone, a series of active-east-west trending thrust ...
Space & Earth / Earth Sciences
May 30, 2012 |
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Wild blue yonder: Engineers tackle challenges of hypersonic flight
(Phys.org) -- Aeronautical engineers believe hypersonic planes flying at seven to 15 times the speed of sound will someday change the face of air and space travel. That is, if they can master such flight's known unknowns.
May 16, 2012 |
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The use of acoustic inversion to estimate the bubble size distribution in pipelines
New research from the University of Southampton has devised a new method to more accurately measure gas bubbles in pipelines.
May 15, 2012 |
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Spain the dunces in international science test
Spaniards came bottom of the class in an 11-nation science test and nearly half of them could not name a single important scientist in history, a survey showed Tuesday.
Other Sciences / Social Sciences
May 08, 2012 |
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Official: Dolphin deaths in Peru still a mystery
(AP) -- Peruvian authorities are still trying to unravel the mystery of why hundreds of dolphins ended up dead on beaches in the country over the past 2 1/2 months.
Apr 21, 2012 |
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Can sound science guide dispersant use during subsea oil spills?
Two years ago this week, oil began streaming from the seafloor into the Gulf of Mexico following the explosion of the Deepwater Horizon platform. All told, the disaster cost 11 lives, released 4.9 million ...
Apr 17, 2012 |
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Study amplifies understanding of hearing in baleen whales
For decades, scientists have known that dolphins and other toothed whales have specialized fats associated with their jaws, which efficiently convey sound waves from the ocean to their ears. But until now, the hearing systems ...
Apr 17, 2012 |
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An efficient method for solving sound propagation in range-dependent ocean waveguides
The coupled normal mode method is a powerful approach for solving range-dependent propagation problems in underwater acoustics. An important area of study is to improve stability and efficiency so as to be ...
Apr 10, 2012 |
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The sounds of Mars and Venus are revealed for the first time
In a world first, the sounds of Mars and Venus are revealed as part of a planetarium show in Hampshire this Easter.
Space & Earth / Space Exploration
Apr 02, 2012 |
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Lenses can bend light and sound in almost any direction
(PhysOrg.com) -- When an optical fiber is bent by 90° or more, the light begins to leak away, posing a problem for fiber optics communications. But by using special lenses that can bend light by not only ...
Apr 02, 2012 |
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When dark energy turned on (Update)
(PhysOrg.com) -- Some six billion light years distant, almost halfway from now back to the big bang, the universe was undergoing an elemental change. Held back until then by the mutual gravitational attraction ...
Mar 30, 2012 |
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Capsule and skydiver ready for record-setting freefall
Part science experiment, part publicity stunt, part life-long ambition, the Red Bull Stratos mission will feature skydiver Felix Baumgartner attempting to break the speed of sound with his body in a record-setting ...
Space & Earth / Space Exploration
Mar 08, 2012 |
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NASA jet stream study will light up the night sky
High in the sky, 60 to 65 miles above Earth's surface, winds rush through a little understood region of Earth's atmosphere at speeds of 200 to 300 miles per hour. Lower than a typical satellite's orbit, higher ...
Space & Earth / Space Exploration
Mar 07, 2012 |
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Launch madness at Wallops in March - '5 in 5'
Launch madness will hit the east coast in March as NASA launches five rockets in approximately five minutes to study the high-altitude jet stream from its Wallops Flight Facility in Virginia.
Space & Earth / Space Exploration
Mar 05, 2012 |
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Sound
Sound is a travelling wave which is an oscillation of pressure transmitted through a solid, liquid, or gas, composed of frequencies within the range of hearing and of a level sufficiently strong to be heard, or the sensation stimulated in organs of hearing by such vibrations.
For more information about Sound, read the full article at
Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.
