News tagged with sonar
Madly Mapping the Universe
(PhysOrg.com) -- It takes special software to map the universe from noisy data. A Berkeley Lab code called MADmap does just that for the cosmic microwave background and has now been adapted by scientists probing ...
Space & Earth / Space Exploration
Feb 04, 2010 |
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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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Oceans becoming noisier thanks to pollution -- report
The world's oceans are becoming noisier thanks to pollution, with potentially harmful effects for whales, dolphins and other marine life, US scientists said in a study published Sunday.
Dec 20, 2009 |
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Slam dunk for future smart robots
(PhysOrg.com) -- 'What does the world look like' and 'where am I' are two questions robots must solve if they are to act autonomously in an unknown environment. Work by European researchers will help future ...
Dec 14, 2009 |
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Underwater robot probes depths for Istanbul quake clues
A state-of-the-art underwater robot called BOB may hold the key to protecting millions of people around Turkey's biggest city against a massive earthquake scientists say is all but inevitable.
Space & Earth / Earth Sciences
Nov 14, 2009 |
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First detailed underwater survey of huge volcanic flank collapse deposits
A scientific team led by Dr Peter Talling of the UK's National Oceanography Centre (NOC) is currently aboard the Royal Research Ship James Cook to map extremely large landslide deposits offshore from an active ...
Space & Earth / Earth Sciences
May 05, 2010 |
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A glimpse at the Earth's crust deep below the Atlantic
Long-term variations in volcanism help explain the birth, evolution and death of striking geological features called oceanic core complexes on the ocean floor, says geologist Dr Bram Murton of the National ...
Space & Earth / Earth Sciences
Nov 12, 2009 |
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Nanotech Speakers Hold Promise for Sonar Uses
(PhysOrg.com) -- UT Dallas researchers have found that carbon nanotube sheets perform well as underwater sound generators and noise-canceling speakers, two highly desirable traits for submarine sonar and stealth ...
Jun 14, 2010 |
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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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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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Whale sonar: Two pings are better than one
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 ...
Mar 04, 2009 |
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Underwater gas may hold clues on Turkey quake risk
Natural gas that lies under Turkey's Marmara Sea close to Istanbul could provide advance warning of an earthquake experts believe will hit the country's largest city, scientists said on Tuesday.
Space & Earth / Earth Sciences
Dec 15, 2009 |
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Scripps Oceanography dispatches rapid response exploration of Chile earthquake site
Scientists from Scripps Institution of Oceanography at UC San Diego will explore the earthquake rupture site of the Feb. 27 massive 8.8-magnitude Chilean earthquake, one of the largest earthquakes in recorded ...
Space & Earth / Earth Sciences
Mar 18, 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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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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