News tagged with sound energy

Laser physics upside down

At the Vienna University of Technology a system of coupled lasers has been created which exhibits truly paradoxical behaviour: An increase in energy supply switches the lasers off, reducing the energy can ...

dateJul 15, 2014 in Optics & Photonics
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The destructive power of sound waves

Researchers at the University of Arizona College of Engineering have come up with a novel way to help the U.S. Air Force dispose of stockpiles of dangerous chemicals – using nothing more than sound waves.

dateDec 16, 2013 in General Physics
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New technology modifies music hall acoustics

A new technology that relies on a system of inflatable sound absorbers may help make any performance hall instantly convertible into a venue for music ranging from classical to hard rock. The technology will be described ...

dateMay 31, 2013 in General Physics
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Physics at the threshold of hearing

(Phys.org) —The mammalian auditory system is one of the most sensitive detectors found in nature. Two kinds of cells, the inner and outer hair cells, work together to transduce mechanical vibrations into ...

dateApr 10, 2013 in General Physics report
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When dark energy turned on (Update)

(PhysOrg.com) -- Some six billion light years distant, almost halfway from now back to the big bang, the universe was undergoing an elemental change. Held back until then by the mutual gravitational attraction ...

dateMar 30, 2012 in Astronomy
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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 ...

dateOct 06, 2011 in Earth Sciences
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