News tagged with underwater objects
Whale sonar: Two pings are better than one
Mar 04, 2009 |
5 / 5 (1) |
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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 ...
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Lasers generate underwater sound
Sep 04, 2009 |
4.5 / 5 (8) |
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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 ...
5 ancient Roman shipwrecks found off Italy coast
Other Sciences / Archaeology & Fossils
Jul 25, 2009 |
4.8 / 5 (5) |
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(AP) -- Archaeologists have found five well-preserved Roman shipwrecks deep under the sea off a small Mediterranean island, with their cargo of vases, pots and other objects largely intact, officials said ...
Engineer explores underwater wireless communications
Apr 02, 2009 |
4.3 / 5 (4) |
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(PhysOrg.com) -- Milica Stojanovic says the best way to think about the need for better underwater communications is to consider the Titanic.
New underwater robot can hover in place
Sep 26, 2008 |
4 / 5 (14) |
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(PhysOrg.com) -- MIT researchers have designed a new robotic underwater vehicle that can hover in place like a helicopter -- an invaluable tool for deepwater oil explorers, marine archaeologists, oceanographers ...
Biologically inspired sensors can augment sonar, vision system in submarines
Feb 21, 2007 |
3.7 / 5 (6) |
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To find prey and avoid being preyed upon, fish rely on a row of specialized sensory organs along the sides of their bodies, called the lateral line. Now, a research team led by Chang Liu at the University of Illinois at Urbana-Champaign ...
Contrary to Common Wisdom, Some Mammals Can Smell Objects Under Water
Biology /
Dec 20, 2006 |
3.8 / 5 (5) |
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A Vanderbilt researcher has discovered that some stealthy mammals have been doing something heretofore thought impossible -- using the sense of smell under water.
First hyperlens for sound waves created
Oct 25, 2009 |
4.7 / 5 (18) |
4
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 ...
Tsunami waves reasonably likely to strike Israel
Space & Earth / Earth Sciences
Oct 26, 2009 |
3 / 5 (4) |
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"There is a likely chance of tsunami waves reaching the shores of Israel," says Dr. Beverly Goodman of the Leon H. Charney School of Marine Sciences at the University of Haifa following encompassing geoarchaeological research ...
Fish-shaped robot for underwater research
Dec 16, 2004 |
2.3 / 5 (8) |
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The project of underwater bionic robotic fish co-developed by the Institute of Robot under Beijing University of Aeronautics and Astronautics (BUAA) and the Institute of Automation under Chinese Academy of Sciences ...
Pavlopetri -- the world's oldest known submerged town
Other Sciences / Archaeology & Fossils
Oct 21, 2009 |
4.6 / 5 (9) |
5
The world's oldest known submerged town has been revealed through the discovery of late Neolithic pottery. The finds were made during an archaeological survey of Pavlopetri, off the southern Laconia coast ...
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