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All Articles Tagged As: sound
 | Physicists have taken major step forward in the development of practical phonon lasers, which emit sound in much the same way that optical lasers emit light. The development should lead to new, high-resolution imaging devices and medical applications. Just as optical lasers have been incorporated into countless, ubiquitous devices, a phonon laser is likely to be critical to a host of as yet unimaginable applications. ...> Full Article |
 | Berkeley Lab researchers have developed the world's first acoustic hyperlens, a device that provides an eightfold boost in the magnification power of ultrasound, underwater sonar and other sound-based imaging technologies. ...> Full Article |
 | A team of researchers from Pompeu Fabra University has developed a system to identify common patterns in versions of songs, which will help to quantify the similarity of musical pieces. The technique, which appears in the New Journal of Physics, could be applied to analyze time series of data in other fields, such as economy, biology or astronomy. ...> Full Article |
 | Scientists at the Naval Research Laboratory are developing a new technology for use in underwater acoustics. The new technology uses flashes of laser light to remotely create underwater sound. The new acoustic source has the potential to expand and improve both Naval and commercial underwater acoustic applications, including undersea communications, navigation and acoustic imaging. ...> Full Article |
New sensor ensures our hospitals are hygienic by listening to collapsing bubbles
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 | Honeycomb-like structures composed of many tiny tubes or channels can reduce sound more effectively than conventional methods ...> Full Article |
Using a laser and a device that converts reflected light into sound, researchers can detect explosives at distances exceeding 20 yards.
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Theoretical device could mask sound in 3-D
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New experiments address a barrier to efforts at developing computer networks that can run on light instead of electrons
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 | What is the sound of rough? That might seem like a question for armchair philosophers, but a engineering professor's answer has garnered him kudos and a substantial funding commitment from NSERC. ...> Full Article |
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