News tagged with acoustic detection
Guam rhino beetles got rhythm
Apr 14, 2009 |
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In May 2008 the island of Guam became a living laboratory for scientists as they attached acoustic equipment to coconut trees in order to listen for rhinoceros beetles. A grant from USDA IPM allowed Richard Mankin, a recognized ...
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Shifting sound to light may lead to better computer chips
Mar 16, 2009 |
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By reversing a process that converts electrical signals into sounds heard out of a cell phone, researchers may have a new tool to enhance the way computer chips, LEDs and transistors are built.
First acoustic metamaterial 'superlens' created
Jun 24, 2009 |
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A team of researchers at the University of Illinois has created the world's first acoustic "superlens," an innovation that could have practical implications for high-resolution ultrasound imaging, non-destructive ...
'Invisibility cloaks' could break sound barriers
Jan 09, 2008 |
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Contrary to earlier predictions, Duke University engineers have found that a three-dimensional sound cloak is possible, at least in theory.
Aeroacoustics Research Could Quiet Unmanned Aerial Vehicles (UAVs)
Jan 22, 2009 |
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(PhysOrg.com) -- Unmanned aerial vehicles (UAVs) are playing increasingly important roles in many fields. Ranging in size from the huge Global Hawk aircraft to hand-held machines, these remotely controlled ...
Highlight: Damping of acoustic vibrations in gold nanoparticles
Nov 19, 2009 |
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Vibrations in nanostructures offer applications in molecular-scale biological sensing and ultrasensitive mass detection. To approach single-atom sensing, it is necessary to reduce the dimensions of the structures ...
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 ...
Listening to dark matter
Oct 16, 2008 |
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(PhysOrg.com) -- A team of researchers in Canada have made a bold stride in the struggle to detect dark matter. The PICASSO collaboration has documented the discovery of a significant difference between the ...
Research leads to improved human, object detection technology
Technology / Computer Sciences
Nov 03, 2009 |
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When searching for basketball videos online, a long list of websites appears, which may contain a picture or a word describing a basketball. But what if the computer could search inside videos for a basketball? ...
New sensor detects gaseous chemical weapon surrogates in 45 seconds
Mar 20, 2007 |
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Using lasers and tuning forks, researchers at Pacific Northwest National Laboratory have developed a chemical weapon agent sensing technique that promises to meet or exceed current and emerging defense and ...
Detecting land mines with sound
Jan 23, 2007 |
4.8 / 5 (8) |
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Researchers at MIT's Lincoln Laboratory are developing a highly pinpointed sound beam that can detect buried land mines from a safe distance. The new beam will use sound to seek out land mines like a bat uses sonar to hunt ...
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