News tagged with acoustic waves
Visualizing atomic-scale acoustic wavesin nanostructures
Jul 03, 2008 |
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Acoustic waves play many everyday roles - from communication between people to ultrasound imaging. Now the highest frequency acoustic waves in materials, with nearly atomic-scale wavelengths, promise to be ...
Implementing sustainable technology to monitor the integrity of the nation's bridges
Apr 16, 2009 |
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Today, humans perform visual inspections every two years of most of the nation's older bridges. But with a scarcity of inspectors and tens of thousands of bridges, that process can be long and laborious.
Engineers to investigate energy independent monitoring system for bridges
Feb 02, 2009 |
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Virginia Tech's Center for Intelligent Material Systems and Structures (CIMSS) has teamed with Physical Acoustics Corporation (PAC), of Princeton Junction, N.J., to develop a suite of new technologies to provide ...
Search results for acoustic waves
New materials designed to deal with hypersonic and supersonic hot stuff (w/ Video)
18 hours ago |
4.7 / 5 (9) |
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University of Queensland researchers are testing new materials to withstand the extreme heat experienced by hypersonic vehicles in flight so they can fly for substantially longer.
Sun and moon trigger deep tremors on San Andreas Fault
Space & Earth / Earth Sciences
Dec 23, 2009 |
4.5 / 5 (2) |
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The faint tug of the sun and moon on the San Andreas Fault stimulates tremors deep underground, suggesting that the rock 15 miles below is lubricated with highly pressurized water that allows the rock to slip with little ...
Disproportionate effects of global warming and pollution on disadvantaged communities
Dec 22, 2009 |
2.9 / 5 (10) |
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Global warming, pollution, and the environmental consequences of energy production impose a greater burden on low-income, disadvantaged communities, and strategies to prevent these inequities are urgently needed. A provocative ...
Tiny nano-electromagnets turn a cloak of invisibility into a possibility
Dec 22, 2009 |
4.6 / 5 (11) |
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A team of researchers at the FOM institute AMOLF (The Netherlands) has succeeded for the first time in powering an energy transfer between nano-electromagnets with the magnetic field of light.
Probing Question: What are the origins of skiing?
Dec 22, 2009 |
3 / 5 (4) |
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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 ...
Accelerators and Light Sources of Tomorrow (Part 1: From Linacs to Lasers)
Dec 22, 2009 |
4.6 / 5 (5) |
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From their humble beginnings as offshoots of the ordinary electric light bulb, particle accelerators have evolved in surprising directions. Among the most productive and promising developments have been light ...
Researchers crack part of the neuronal code
Medicine & Health / Neuroscience
Dec 22, 2009 |
4.9 / 5 (7) |
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(PhysOrg.com) -- Prostheses for paralysed patients, communication with patients who have lost all capacity for normal communication - the hopes for modern brain research are high. However, such brain-machine ...
Machine Translates Thoughts into Speech in Real Time
Medicine & Health / Neuroscience
Dec 21, 2009 |
4.8 / 5 (52) |
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(PhysOrg.com) -- By implanting an electrode into the brain of a person with locked-in syndrome, scientists have demonstrated how to wirelessly transmit neural signals to a speech synthesizer. The "thought-to-speech" ...
Oceans becoming noisier thanks to pollution -- report
Dec 20, 2009 |
4 / 5 (4) |
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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.
Tiny whispering gallery: Sensor can detect a single nanoparticle and take its measurement
Dec 18, 2009 |
4.7 / 5 (16) |
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(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 ...
List of search results for acoustic waves
