Sound

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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.


News tagged with sound


A dolphin swims off the coast of Rangiroa

Oceans becoming noisier thanks to pollution -- report

Space & Earth / Environment

created Dec 20, 2009 | popularity 4 / 5 (4) | comments 3

The world's oceans are becoming noisier thanks to pollution, with potentially harmful effects for whales, dolphins and other marine life, US scientists said in a study published Sunday.





Search results for sound


Scientists Investigate Cause of 'Singing Dunes'

Scientists Investigate Cause of 'Singing Dunes'

Physics / General Physics

created Dec 15, 2009 | popularity 4.4 / 5 (21) | comments 7

(PhysOrg.com) -- In more than 30 locations around the world, the phenomenon of singing sand dunes has intrigued explorers, tourists, and scientists. When an avalanche occurs or even when the sand is pushed ...


Engineers help secure California highways and roads

Engineers help secure California highways and roads

Technology / Engineering

created Dec 15, 2009 | popularity not rated yet | comments 0

Sprays of dirt flew out of a soil box that held a retaining wall as it violently shook from a simulated 7.4 magnitude earthquake. The wall was put to test recently by engineers at the UC San Diego Englekirk ...


Nissan Leaf

Electric cars rolling out

Technology / Energy

created Dec 16, 2009 | popularity 4.4 / 5 (15) | comments 7

(PhysOrg.com) -- Electric vehicles are far from new, but we are still a long way from electric cars being the norm. Now two new electric cars may bring that goal a step closer.


Machine Translates Thoughts into Speech in Real Time

Machine Translates Thoughts into Speech in Real Time

Medicine & Health / Neuroscience

created Dec 21, 2009 | popularity 4.7 / 5 (41) | comments 9

(PhysOrg.com) -- By implanting an electrode into the brain of a person with locked-in syndrome, scientists have demonstrated how to wirelessly transmit neural signals to a speech synthesizer. The "thought-to-speech" ...


Physicists see through the opaque with 'T-rays'

Physics / General Physics

created Dec 18, 2009 | popularity 4.2 / 5 (10) | comments 0

"T-rays" may make X-rays obsolete as a means of detecting bombs on terrorists or illegal drugs on traffickers, among other uses, contends a Texas A&M physicist who is helping lay the theoretical groundwork to make the concept ...


New Intel products to be launched in January

Next-generation Intel products to be launched in January; Include first 32-nm Core i3, i5 processors

Electronics / Hardware

created Dec 18, 2009 | popularity 3.8 / 5 (12) | comments 1

(PhysOrg.com) -- Intel has announced it will launch over two dozen new products next month, including new processors, chipsets, and a number of wireless components.


Tiny whispering gallery

Tiny whispering gallery: Sensor can detect a single nanoparticle and take its measurement

Physics / Optics & Photonics

created Dec 18, 2009 | popularity 4.7 / 5 (16) | comments 0

(PhysOrg.com) -- Nanotechnology has already made it to the shelves of your local pharmacy and grocery: nanoparticles are found in anti-odor socks, makeup, makeup remover, sunscreen, anti-graffiti paint, home ...


Everlasting Quantum Wave: Physicists Predict New Form of Soliton in Ultracold Gases

Everlasting Quantum Wave: Physicists Predict New Form of Soliton in Ultracold Gases

Physics / Quantum Physics

created Dec 16, 2009 | popularity 4.7 / 5 (10) | comments 2

(PhysOrg.com) -- Solitary waves that run a long distance without losing their shape or dying out are a special class of waves called solitons. These everlasting waves are exotic enough, but theoreticians at ...


Argonne advanced battery research driving to displace gasoline

Argonne advanced battery research driving to displace gasoline (w/ Video)

Technology / Energy

created 20 hours ago | popularity 3.5 / 5 (6) | comments 3

(PhysOrg.com) -- In excess of seven million barrels of gasoline are consumed by vehicles in the United States every day. As scientists race to find environmentally sound solutions to fuel the world’s ever-growing ...


Dyslexia defined: New study 'uncouples' reading and IQ over time

Dyslexia defined: New study 'uncouples' reading and IQ over time

Medicine & Health / Psychology & Psychiatry

created Dec 17, 2009 | popularity 4.4 / 5 (5) | comments 1

Contrary to popular belief, some very smart, accomplished people cannot read well. This unexpected difficulty in reading in relation to intelligence, education and professional status is called dyslexia, and ...



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