News tagged with kilohertz
Tiny primate 'talks' in ultrasound
One of the world's smallest primates, the Philippine tarsier, communicates in a range of ultrasound inaudible to predator and prey alike, according to a study published on Wednesday.
Feb 08, 2012 |
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Erasing history? Temporal cloaks adjust light's throttle to hide an event in time
Researchers from Cornell University in Ithaca, N.Y., have demonstrated for the first time that it's possible to cloak a singular event in time, creating what has been described as a "history editor." In a feat of Einstein-inspired ...
Oct 12, 2011 |
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Sharing the air
(PhysOrg.com) -- In the old days, when a new wireless technology came along, it got its own swath of the electromagnetic spectrum: AM radio uses 535 to 1,605 kilohertz, so television got chunks between 54 ...
Sep 22, 2009 |
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Search results for kilohertz
Researchers use Doppler Effect for computer gesture control
(Phys.org) -- Researchers from Microsoft and the University of Washington have together created a system whereby a computer user can use hand gestures to instigate a limited set of computer commands such as ...
Technology / Computer Sciences
May 07, 2012 |
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New radar technology provides real-time video of what's going on behind solid walls
The ability to see through walls is no longer the stuff of science fiction, thanks to new radar technology developed at MIT’s Lincoln Laboratory.
Oct 18, 2011 |
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College students often miss mark when reporting hearing
(PhysOrg.com) -- Some college students who think they have normal hearing may actually be overestimating their abilities. In a University of Florida study of college students who believed they had normal hearing, one-quarter ...
Mar 16, 2011 |
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Rebooting the brain helps stop the ring of tinnitus in rats
(PhysOrg.com) -- Researchers were able to eliminate tinnitus in a group of rats by stimulating a nerve in the neck while simultaneously playing a variety of sound tones over an extended period of time, says a study published ...
Medicine & Health / Neuroscience
Jan 12, 2011 |
4.9 / 5 (20) |
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Innovative technology for wireless underground communication
In recent years, the tragic story of mine accidents has been retold many times in international headlines. But thanks to the work of Ryerson University researcher Xavier Fernando, countless miners' lives could ...
Nov 29, 2010 |
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Prevalence of hearing loss among US adolescents has increased significantly
Data from two nationally representative surveys indicates that the prevalence of hearing loss among U.S. adolescents increased by about 30 percent from 1988-1994 to 2005-2006, with 1 in 5 adolescents having hearing loss in ...
Aug 17, 2010 |
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Researchers discover how bats avoid collisions (w/ Video)
For years, Brown University neuroscientist James Simmons has filmed bats as they flew in packs or individually chased prey in thick foliage. All the while, he asked himself why the bats never collided with ...
Mar 29, 2010 |
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Quantum leap for phonon lasers
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 ...
Feb 22, 2010 |
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A see-through surprise: Scientists make solid material transparent to terahertz waves
Very often in science, the unexpected discovery turns out to be the most significant. Rice University Professor Junichiro Kono and his team weren't looking for a breakthrough in the transmission of terahertz signals, but ...
Dec 07, 2009 |
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International expedition investigates climate change, alternative fuels in Arctic
Scientists from the Marine Biogeochemistry and Geology and Geophysics sections of the Naval Research Laboratory (NRL) organized and led a team of university and government scientists on an Arctic expedition ...
Space & Earth / Earth Sciences
Nov 20, 2009 |
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List of search results for kilohertz
