News tagged with acoustic signature
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 ...
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Lasers generate underwater sound
Sep 04, 2009 |
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Scientists at the Naval Research Laboratory (NRL) 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 tweezers can position tiny objects
Nanotechnology / Nanomaterials
Aug 28, 2009 |
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(PhysOrg.com) -- Manipulating tiny objects like single cells or nanosized beads often requires relatively large, unwieldy equipment, but now a system that uses sound as a tiny tweezers can be small enough ...
Detecting land mines with sound
Jan 23, 2007 |
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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 ...
First hyperlens for sound waves created
Oct 25, 2009 |
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Ultrasound and underwater sonar devices could "see" a big improvement thanks to development of the world's first acoustic hyperlens. Created by researchers with the U.S. Department of Energy's Lawrence Berkeley ...
Gene signature for cancer stem cells may provide drug targets
Aug 03, 2009 |
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A subset of tumor cells that remain after a woman with breast cancer undergoes treatment with either anti-cancer or anti-hormone therapy shows a "gene signature" that could be used to define targets for developing new drugs ...
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 ...
Study Positively Identifies Giant Squid Presence in Gulf of Mexico
Sep 21, 2009 |
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(PhysOrg.com) -- During a recent research cruise, a rare giant squid was captured in the Gulf of Mexico.
Genomic signature in blood identifies underlying viral infection
Aug 06, 2009 |
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Scientists have identified a genomic "signature" in circulating blood that reveals exposure to common upper respiratory viruses, like the cold or flu, even before symptoms appear.
Technology strikes a chord with algal biofuels
Sep 03, 2009 |
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An award-winning Los Alamos National Laboratory sound-wave technology is helping Solix Biofuels, Inc. optimize production of algae-based fuel in a cost-effective, scalable, and environmentally benign fashion—paving the way ...
Tags reveal white sharks have neighborhoods in the north Pacific
Nov 03, 2009 |
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The white shark may be the ultimate loner of the ocean, cruising thousands of miles in a solitary trek, but a team of researchers has discovered that the sharks have maintained such a consistent pattern of ...
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