Sound
hideSound 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
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News tagged with sound
The Relativistic Heavy Ion Collider Makes Some Noise
Nov 21, 2008 |
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(PhysOrg.com) -- A group of physicists studying heavy-ion collisions at the Relativistic Heavy Ion Collider (RHIC), a large particle accelerator located on Long Island, New York, recently showed that the collisions ...
Micro honeycomb materials enable new physics in aircraft sound reduction
Sep 29, 2008 |
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Noise from commercial and military jet aircraft causes environmental problems for communities near airports, obliging airplanes to follow often complex noise-abatement procedures on takeoff and landing. It ...
Orangutan's spontaneous whistling opens new chapter in study of evolution of speech
Biology /
Dec 11, 2008 |
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Throughout history, human beings have used the whistle for everything from hailing a cab to carrying a tune. Now, an orangutan's spontaneous whistling is providing scientists at Great Ape Trust of Iowa new ...
Carbon nanotubes could act as an efficient music speaker
Nov 03, 2008 |
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(PhysOrg.com) -- While carbon nanotubes are widely praised for their strength and electrical properties, no one has thoroughly investigated their acoustic properties, until now. A team of Chinese researchers ...
A sonic boom in the world of lasers
Jun 17, 2009 |
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It was an idea born out of curiosity in the physics lab, but now a new type of ‘laser’ for generating ultra-high frequency sound waves instead of light has taken a major step towards becoming a unique and highly useful 21st ...
New radio chip mimics human ear, could enable universal radio (w/Video)
Jun 03, 2009 |
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(PhysOrg.com) -- MIT engineers have built a fast, ultra-broadband, low-power radio chip, modeled on the human inner ear, that could enable wireless devices capable of receiving cell phone, Internet, radio ...
First hyperlens for sound waves created
Oct 25, 2009 |
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Ultrasound and underwater sonar devices could "see" a big improvement thanks to development of the world's first acoustic hyperlens. Created by researchers with the U.S. Department of Energy's Lawrence Berkeley ...
Scientists first to trap light and sound vibrations together in nanocrystal
Oct 26, 2009 |
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(PhysOrg.com) -- Researchers at the California Institute of Technology have created a nanoscale crystal device that, for the first time, allows scientists to confine both light and sound vibrations in the ...
Tiny Music Player Made from Wire Bridge (w/ Video)
Nov 04, 2009 |
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(PhysOrg.com) -- In 2008, scientists built a loudspeaker made of carbon nanotubes that produced sound and music based on the thermoacoustic effect. Now, a different team of scientists has built a loudspeaker ...
Musicians' Brains 'Fine-Tuned' to Identify Emotion
Medicine & Health / Neuroscience
Mar 03, 2009 |
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(PhysOrg.com) -- Looking for a mate who in everyday conversation can pick up even your most subtle emotional cues? Find a musician, Northwestern University researchers suggest.
Dutch PhD student develops device to combat noise
Dec 01, 2009 |
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Johan Wesselink of the University of Twente, The Netherlands, has developed a device to actively combat noise nuisance. This invention curtails sound waves and vibrations by producing anti-noise. The researcher is confident ...
Turn On, Tune In, Develop? Researchers Examine How Brain Benefits From Musical Training
Medicine & Health / Neuroscience
Nov 06, 2009 |
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For most people music is an enjoyable, although momentary, form of entertainment. But for those who seriously practiced a musical instrument when they were young, perhaps when they played in a school orchestra ...
Physicist's gadget lets you hear the sound of a perfect golf swing
Electronics / Consumer & Gadgets
Sep 02, 2008 |
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Golf is a game of intense concentration. Golfers receive advice on the precise stance, grip, wrist angle, shoulder angle, head angle, and other details to improve their swings. But a new golf gadget developed ...
New flat flexible speakers might even help you catch planes and trains
Apr 01, 2009 |
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(PhysOrg.com) -- A groundbreaking new loudspeaker, less than 0.25mm thick, has been developed by University of Warwick engineers, it's flat, flexible, could be hung on a wall like a picture, and its particular ...
Technology strikes a chord with algal biofuels
Sep 03, 2009 |
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An award-winning Los Alamos National Laboratory sound-wave technology is helping Solix Biofuels, Inc. optimize production of algae-based fuel in a cost-effective, scalable, and environmentally benign fashion—paving the way ...
