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.
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News tagged with sound
New algorithms for computerized, large-scale surveillance
14 hours ago |
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A recent AFOSR-funded technology should enable the Air Force to achieve advances in object and target detection technology by using sophisticated algebraic theories called groups, rings and fields.
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 ...
The Beatles Return to Mono
Nov 11, 2009 |
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From the White Album to Yellow Submarine modern releases of the Beatles present their music in stereo sound. But this Christmas, hard-core Beatles fans will eagerly unwrap "The Beatles in Mono," an 11-CD box set designed ...
New study sheds light on brain's response to distress, unexpected events (w/ Video)
Medicine & Health / Psychology & Psychiatry
Nov 10, 2009 |
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In a new study, psychologists at the University of Alabama at Birmingham (UAB) are able to see in detail for the first time how various regions of the human brain respond when people experience an unexpected or traumatic ...
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 ...
A sound practice: Cochlear implants restore children's hearing
Nov 05, 2009 |
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(PhysOrg.com) -- Ava Martin seems less nervous than her parents as the three sit in an audiologist’s office at UC Irvine Medical Center a few days after Labor Day. In August, the 6-year-old had surgery to place a cochlear ...
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 ...
Sights and sounds of emotion trigger big brain responses
Medicine & Health / Neuroscience
Nov 02, 2009 |
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Researchers at the University of York have identified a part of the brain that responds to both facial and vocal expressions of emotion.
Researchers bring noise to virtual worlds
Technology / Computer Sciences
Oct 27, 2009 |
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(PhysOrg.com) -- Computer scientists have developed a method to synthesize the sounds of cymbals, falling garbage cans and lids, and plastic water-cooler bottles and recycling bins.
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 ...
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 ...
Hearing on the wing: New structure discovered in butterfly ears
Oct 21, 2009 |
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(PhysOrg.com) -- A clever structure in the ear of a tropical butterfly that potentially makes it able to distinguish between high and low pitch sounds has been discovered by scientists from the University ...
Hunting for rhythm's DNA: Computational geometry unlocks a musical phylogeny
Other Sciences / Social Sciences
Oct 20, 2009 |
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(PhysOrg.com) -- Does Bo Diddley rule the world? Though he died last year, the iconic singer and guitarist of American blues and rock still rules the rhythms of the world, says computer scientist Godfried ...
Research gives glimpse of tectonic history on Puget Sound-region fault zones
Space & Earth / Earth Sciences
Oct 19, 2009 |
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(PhysOrg.com) -- New research on the Kitsap Peninsula, at the west edge of Washington state's Puget Sound, finds evidence that land was raised at least 6 feet by ancient earthquakes.
Golden Nanotubes Detect Tumor Cells, Map Sentinel Lymph Nodes
Nanotechnology / Bio & Medicine
Sep 24, 2009 |
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(PhysOrg.com) -- Biomedical researchers at the University of Arkansas in Fayetteville and the University of Arkansas for Medical Sciences (UAMS) in Little Rock have developed a special contrast-imaging agent made of gold-coated ...
