Research from the University of Southampton, which examines how dolphins might process their sonar signals, could provide a new system for man-made sonar to detect targets, such as sea mines, in bubbly water.
Plants & Animals
Jul 18, 2012
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(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 area than previous ...
Ecology
May 11, 2012
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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.
Earth Sciences
Mar 8, 2012
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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 and other marine ...
Ecology
Jan 26, 2012
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(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 published today ...
Plants & Animals
Nov 24, 2011
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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 the National Oceanic ...
Earth Sciences
Oct 6, 2011
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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.
Earth Sciences
Sep 19, 2011
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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.
Hi Tech & Innovation
Jul 20, 2011
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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.
Engineering
May 10, 2011
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(PhysOrg.com) -- Beaked whales are frightened by sonars used to hunt for submarines, according to new research.
Plants & Animals
Mar 14, 2011
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