News tagged with sonar
Navy study: Sonar, blasts might hurt more sea life
(AP) -- The U.S. Navy may hurt more dolphins and whales by using sonar and explosives in Hawaii and California under a more thorough analysis that reflects new research and covers naval activities in a wider ...
May 11, 2012 |
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Scientists survey seabed fractured by Japan quake
Scientists on Thursday launched a mission to the seabed off Japan where a massive quake triggered last year's devastating tsunami, to get their first proper look at the buckled ocean floor.
Space & Earth / Earth Sciences
Mar 08, 2012 |
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Groups sue over Navy sonar use off Northwest
Conservationists and Native American tribes are suing over the Navy's expanded use of sonar in training exercises off the Washington, Oregon and California coasts, saying the noise can harass and kill whales ...
Jan 26, 2012 |
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How bats 'hear' objects in their path
(PhysOrg.com) -- By placing real and virtual objects in the flight paths of bats, scientists at the Universities of Bristol and Munich have shed new light on how echolocation works. Their research is ...
Nov 24, 2011 |
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Multibeam sonar can map undersea gas seeps
A technology commonly used to map the bottom of the deep ocean can also detect gas seeps in the water column with remarkably high fidelity, according to scientists from the University of New Hampshire and ...
Space & Earth / Earth Sciences
Oct 06, 2011 |
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Understanding methane's seabed escape
A shipboard expedition off Norway, to determine how methane escapes from beneath the Arctic seabed, has discovered widespread pockets of the gas and numerous channels that allow it to reach the seafloor.
Space & Earth / Earth Sciences
Sep 19, 2011 |
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Swimming tragedy sparks hi-tech safety drive
The death of a competitor in an open water race has prompted swimming chiefs to introduce high-tech sonar equipment to keep athletes safe at the world championships in Shanghai.
Technology / Hi Tech & Innovation
Jul 20, 2011 |
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Bats lend an ear to sonar engineering
Researchers have mapped out the diversity of bat ears in a hope to inspire the design of new intuitive methods of manipulating waves with physical shapes, such as SONAR and RADAR.
May 10, 2011 |
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New device uses submarine technology to diagnose stroke quickly
A medical device developed by retired U.S. Navy sonar experts, using submarine technology, is a new paradigm for the detection, diagnosis and monitoring of stroke, says a team of interventional radiologists at the Society ...
Medicine & Health / Medical research
Mar 29, 2011 |
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Whales 'scared' by sonars, but scientist say its not just sonars that could cause problems
(PhysOrg.com) -- Beaked whales are frightened by sonars used to hunt for submarines, according to new research.
Mar 14, 2011 |
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TWIPS -- sonar inspired by dolphins
Scientists at the University of Southampton have developed a new kind of underwater sonar device that can detect objects through bubble clouds that would effectively blind standard sonar.
Nov 17, 2010 |
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Researchers investigate marine mammal behavior and responses to sound
(PhysOrg.com) -- A team of researchers recently completed a two-month research project off the Southern California coast, part of a collaboration to study marine mammal behavior and responses to sounds in ...
Oct 21, 2010 |
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Scientists to map offshore San Andreas Fault and associated ecosystems
For the first time, scientists are using advanced technology and an innovative vessel to study, image, and map the unexplored offshore Northern San Andreas Fault from north of San Francisco to its termination at the junction ...
Space & Earth / Earth Sciences
Sep 30, 2010 |
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Help from sonar determines whether historic shipwreck poses oil pollution threat
Experts hope to use sonar images of a sunken ship off California’s coast to determine whether the vessel is at risk of leaking oil. The Monterey Bay Aquarium Research Institute (MBARI) sent a robotic submersible ...
Space & Earth / Earth Sciences
Sep 23, 2010 |
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'Titanic' mapping expedition sets sail (Update)
A high-tech expedition that aims to create a detailed map of the wreckage of the Titanic, nearly a hundred years after the fabled ship sank in the Atlantic, set sail from Canada on Monday. ...
Other Sciences / Archaeology & Fossils
Aug 24, 2010 |
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