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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.

Medicine & Health / Other

created Feb 10, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

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 ...

Physics / Quantum Physics

created Feb 06, 2012 | popularity 5 / 5 (1) | comments 2

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 ...

Physics / General Physics

created Dec 20, 2011 | popularity 4.5 / 5 (2) | comments 1

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.

Physics / General Physics

created Nov 08, 2011 | popularity 4.8 / 5 (4) | comments 0 | with audio podcast

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.

Medicine & Health / Other

created Nov 01, 2011 | popularity 4.4 / 5 (5) | comments 6 | with audio podcast report

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 ...

Physics / General Physics

created Oct 07, 2011 | popularity 4.9 / 5 (15) | comments 6 | with audio podcast

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

created Oct 06, 2011 | popularity 5 / 5 (1) | comments 0

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 ...

Physics / General Physics

created Sep 22, 2011 | popularity not rated yet | comments 1

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 ...

Medicine & Health / Other

created Sep 19, 2011 | popularity not rated yet | comments 0

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.

Medicine & Health / Other

created Aug 18, 2011 | popularity not rated yet | comments 0

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

created Aug 15, 2011 | popularity not rated yet | comments 3 | with audio podcast

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. ...

Physics / General Physics

created Aug 15, 2011 | popularity 5 / 5 (1) | comments 1

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. ...

Physics / General Physics

created Jul 26, 2011 | popularity 4.6 / 5 (8) | comments 5 | with audio podcast

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

created Jul 22, 2011 | popularity 4 / 5 (4) | comments 1 | with audio podcast

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 ...

Physics / General Physics

created Jul 12, 2011 | popularity 4.7 / 5 (20) | comments 27 | with audio podcast report