Many whale species have sonar systems that send out two pings at once, allowing them to detect underwater objects with greater accuracy than even the most sophisticated human technologies, according to a study released Wednesday.
Plants & Animals
Mar 4, 2009
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(Phys.org) -- When a University of Washington researcher listened to the audio picked up by a recording device that spent a year in the icy waters off the east coast of Greenland, she was stunned at what she heard: whales ...
Plants & Animals
Jul 31, 2012
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During World War I, William Lawrence Bragg led a team of engineers in the development of an acoustic method to locate enemy artillery, work that was so successful that it was soon used widely throughout the British army.
General Physics
May 13, 2019
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Nintendo has introduced the world to the Wii's touchy new big brother: the Wii U.
Consumer & Gadgets
Jun 7, 2011
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(AP) -- Bluetooth wireless headsets have become a lot better in the last few years at picking out the user's voice from noisy surroundings.
Consumer & Gadgets
May 27, 2009
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NPL scientists have made the first measurements of airborne acoustic free-field pressures using a laser technique based on photon correlation spectroscopy.
General Physics
May 29, 2012
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A room with 85 microphones and eight cameras that act as the eyes and ears of a projected talking head that is capable of recognizing speakers and turning towards their position. The project by these UPC researchers brings ...
Hi Tech & Innovation
Feb 4, 2009
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Talking to the TV is usually a sign of extreme agitation, mental instability or loneliness. TV manufacturers are set to make it a more rational behavior this year, with a range of sets that respond to speech.
Consumer & Gadgets
Jan 9, 2012
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If you could stand on the surface of Mars, what would you hear? While eight missions have returned stunning views from the surface of the Red Planet, none have returned any sound.
Space Exploration
Jul 23, 2020
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(PhysOrg.com) -- Stanford researchers have developed a microphone that can be used at any depth in the ocean, even under crushing pressure, and is sensitive to a wide range of sounds, from a whisper in a library to an explosion ...
Engineering
Jun 23, 2011
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