Longitudinal wave

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Longitudinal waves are waves that have same direction of oscillations or vibrations along or parallel to their direction of travel, which means that the oscillations of the medium (particle) is in the same direction or opposite direction as the motion of the wave. Mechanical longitudinal waves have been also referred to as compressional waves or compression waves.

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News tagged with sound waves

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Elusive protein points to mechanism behind hearing loss

Elusive protein points to mechanism behind hearing loss

Medicine & Health / Neuroscience

created Dec 08, 2009 | popularity 5 / 5 (1) | comments 0

(PhysOrg.com) -- A serendipitous discovery of deaf zebra fish larvae has helped narrow down the function of an elusive protein necessary for hearing and balance. The work, led by Rockefeller University’s A. ...


Dutch PhD student develops device to combat noise

Technology / Engineering

created Dec 01, 2009 | popularity 3.9 / 5 (17) | comments 17

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 ...


New algorithms for computerized, large-scale surveillance

New algorithms for computerized, large-scale surveillance

Technology / Engineering

created Dec 02, 2009 | popularity 3 / 5 (2) | comments 0

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.





Search results for sound waves


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 ...


Auditory illusion: How our brains can fill in the gaps to create continuous sound

Medicine & Health / Neuroscience

created Nov 25, 2009 | popularity not rated yet | comments 0

It is relatively common for listeners to "hear" sounds that are not really there. In fact, it is the brain's ability to reconstruct fragmented sounds that allows us to successfully carry on a conversation in a noisy room. ...


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 4

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.


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 ...


Physicists see through the opaque with 'T-rays'

Physics / General Physics

created Dec 18, 2009 | popularity 4.2 / 5 (11) | 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 ...


skiing

Probing Question: What are the origins of skiing?

Other Sciences / Other

created Dec 22, 2009 | popularity 3 / 5 (4) | comments 1

Swoosh…Undeniably, this is the sound of skiing. As winter approaches, legions of avid skiers are preparing their equipment. Skis are being waxed, boots are being pulled out of storage and people are yearning ...


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 ...


Scientists set their sights on hearing breakthrough for babies

Scientists set their sights on hearing breakthrough for babies

Medicine & Health / Research

created Dec 11, 2009 | popularity 5 / 5 (2) | comments 0

(PhysOrg.com) -- The first year to two years of life is a critical time for hearing impaired children and their language development. Whilst young babies with hearing difficulties can now be fitted with cochlear ...


Sick of swine flu? Toxic algae could be the next big threat

Space & Earth / Environment

created Dec 15, 2009 | popularity 3 / 5 (2) | comments 1

With a new theory surfacing that toxic algae rather than asteroids killed the dinosaurs, scientists are still trying to unravel the mystery of what caused a massive algae bloom off the Northwest Coast that left thousands ...



List of search results for sound waves