News tagged with underwater acoustic signals
Scientists develop new technology to detect deep sea gas leaks
A new ultra-sensitive technology which can monitor leaks from underwater gas pipelines has been developed by scientists at the University of Southampton.
Oct 12, 2011 |
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Safely anchored at sea
(PhysOrg.com) -- Different layers of the seabed reflect sound waves in a specific way. German researchers are harnessing the benefits of this fact to efficiently track down suitable offshore sites for wind ...
Space & Earth / Earth Sciences
May 04, 2010 |
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Lasers generate underwater sound
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 ...
Sep 04, 2009 |
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Researchers Develop Flow Sensors Based on Blind Fish Hair Structures
(PhysOrg.com) -- A blind fish that has evolved a unique technique for sensing motion may inspire a new generation of sensors that perform better than current active sonar.
Mar 24, 2009 |
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Search results for underwater acoustic signals
Electric fish charges up research on animal behavior
An electric eel can generate enough current to stun its prey, just like a Taser. Weakly electric fish can also generate electricity, but not enough to do any harm. "Weakly electric fish are unique in that they produce and ...
Apr 10, 2012 |
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Ship noise boosts stress in whales, 9/11 reveals: study
The steady drone of motors along busy commercial shipping lanes not only alters whale behaviour but can affect the giant sea mammals physically by causing chronic stress, a study published Wednesday has reported ...
Feb 08, 2012 |
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Bats, dolphins, and mole rats inspire advances in ultrasound technology
Sonar and ultrasound, which use sound as a navigational device and to paint accurate pictures of an environment, are the basis of countless technologies, including medical ultrasound machines and submarine ...
Nov 14, 2011 |
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Advanced mathematical techniques enable AUVs to survey large, complex and cluttered seascapes
Since the 1970s, when early autonomous underwater vehicles (AUVs) were developed at MIT, Institute scientists have tackled various barriers to robots that can travel autonomously in the deep ocean. This fo ...
Nov 08, 2011 |
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'Orca ears' inspire researchers to develop ultrasensitive undersea microphone
(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 ...
Jun 23, 2011 |
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Student innovation at Rensselaer transmits data and power wirelessly through submarine hulls
Steel walls are no match for Tristan Lawry. The doctoral student at Rensselaer Polytechnic Institute has developed and demonstrated an innovative new system that uses ultrasound to simultaneously transmit ...
Mar 07, 2011 |
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A natural wonder rediscovered
(PhysOrg.com) -- Scientists using underwater sensors to explore Lake Rotomahana in New Zealand have uncovered remnants of the Pink Terraces,” once considered the eighth natural wonder of the world.
Space & Earth / Earth Sciences
Feb 23, 2011 |
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Rowdy residents warn crustaceans away from perilous reefs
(PhysOrg.com) -- Coral reefs present a treacherous wall of mouths to flea-sized planktonic crustaceans, but the clamour generated by animals on the reef may act like a foghorn to warn them away from danger.
Feb 04, 2011 |
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NRL begins field tests of laser acoustic propagation
An NRL research team led by physicist, Dr. Ted Jones, Plasma Physics Division, performed the first successful long distance acoustic propagation and shock generation demonstration of their novel underwater ...
Jan 12, 2011 |
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Navigating underwater using spiral sound
With the increased use of underwater robotics in both Navy and commercial applications, underwater navigation becomes more and more important. As researchers attempt to make these vehicles smaller and less ...
Nov 17, 2010 |
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List of search results for underwater acoustic signals
