News tagged with sound wave
Cochlear implants may be safe, effective for organ transplant patients
Cochlear implants may be a safe, effective option for some organ transplant patients who've lost their hearing as an unfortunate consequence of their transplant-related drug regime, researchers report.
Feb 10, 2012 |
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Quantum microphone captures extremely weak sound
(PhysOrg.com) -- Scientists from Chalmers have demonstrated a new kind of detector for sound at the level of quietness of quantum mechanics. The result offers prospects of a new class of quantum hybrid circuits ...
Feb 06, 2012 |
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Researchers transfer the concept of an optical invisibility cloak to sound waves
Progress of metamaterials in nanotechnologies has made the invisibility cloak, a subject of mythology and science fiction, become reality: Light waves can be guided around an object to be hidden, in such a way that this object ...
Dec 20, 2011 |
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Seeing sound: Team develops noninvasive method to visualise sound propagation
High-performance loudspeaker manufacturers have been able to improve sound quality dramatically over the years, but still face the issue of dead spots.
Nov 08, 2011 |
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Shock therapy to help erectile dysfunction
(Medical Xpress) -- A new study published in the Journal of Sexual Medicine shows that a little shock to the penis may help treat severe erectile dysfunction that does not respond well to prescription drug treatments.
Nov 01, 2011 |
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Physicists localize 3-D matter waves for first time (w/ video)
University of Illinois physicists have experimentally demonstrated for the first time how three-dimensional conduction is affected by the defects that plague materials. Understanding these effects is important ...
Oct 07, 2011 |
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Multibeam sonar can map undersea gas seeps
A technology commonly used to map the bottom of the deep ocean can also detect gas seeps in the water column with remarkably high fidelity, according to scientists from the University of New Hampshire and ...
Space & Earth / Earth Sciences
Oct 06, 2011 |
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Like fish on waves: electrons go surfing
Physicists at the RUB, working in collaboration with researchers from Grenoble and Tokyo, have succeeded in taking a decisive step towards the development of more powerful computers. They were able to define two little quantum ...
Sep 22, 2011 |
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Study finds that ultrasonic instrument may be helpful for rhinoplasty
The ultrasonic bone aspirator, which uses sound waves to remove bone without damage to surrounding soft tissue or mucous membranes, may be a useful tool for surgeons performing cosmetic rhinoplasty (cosmetic surgery of the ...
Sep 19, 2011 |
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Study raises doubts about value of heart ultrasound before elective surgery
A new study has found no evidence that patients who had a heart ultrasound known as an echocardiogram before major surgery had improved survival rates one month or one year after their operation.
Aug 18, 2011 |
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Study finds new role for protein in hearing
University of Iowa scientists have discovered a new role for a protein that is mutated in Usher syndrome, one of the most common forms of deaf-blindness in humans. The findings, which were published Aug. 8 in Nature Neuroscience, may he ...
Medicine & Health / Neuroscience
Aug 15, 2011 |
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Acoustic cloaking device echoes advances in optical cloaking
Optical cloaking devices that enable light to gracefully slip around a solid object were once strictly in the realm of science fiction. Today they have emerged as an exciting area of study, at least on microscopic scales. ...
Aug 15, 2011 |
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One-way transmission system for sound waves
While many hotel rooms, recording studios, and even some homes are built with materials to help absorb or reflect sound, mechanisms to truly control the direction of sound waves are still in their infancy. ...
Jul 26, 2011 |
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Nanoplasmonic 'whispering gallery' breaks emission time record in semiconductors
Renaissance architects demonstrated their understanding of geometry and physics when they built whispering galleries into their cathedrals. These circular chambers were designed to amplify and direct sound ...
Nanotechnology / Nanomaterials
Jul 22, 2011 |
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Coke cans focus sound waves beyond the diffraction limit
(PhysOrg.com) -- When trying to focus sound waves into as small an area as possible, scientists run into a fundamental limit called the diffraction limit. That is, when sound waves are focused into a region ...
Jul 12, 2011 |
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