News tagged with hydrophone
Endangered right whales found where presumed extinct
May 20, 2009 |
3.7 / 5 (3) |
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Using a system of underwater hydrophones that can record sounds from hundreds of miles away, a team of scientists from Oregon State University and the National Oceanic and Atmospheric Administration has documented ...
Listening to the song of the toadfish (w/Audio)
Mar 25, 2009 |
4.5 / 5 (2) |
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(PhysOrg.com) -- Professor Roger Bland is listening in on one of the noisier creatures in San Francisco Bay, using physics to analyze the mating song of the toadfish. While fish don't have vocal chords, they ...
Search results for hydrophone
Marine scientists find massive volcanic cone, new deep-sea animal species
Space & Earth / Earth Sciences
May 05, 2009 |
4.6 / 5 (10) |
3
Scientists who have just returned from an expedition to an erupting undersea volcano near the Island of Guam report that the volcano appears to be continuously active, has grown considerably in size during ...
Engineers develop low-cost, highly sensitive underwater listening device
May 20, 2005 |
5 / 5 (1) |
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Ocean-going acoustic sensor array to aid in national security, ocean research efforts Jason Holmes, a mechanical engineering graduate student at Boston University and guest researcher at Woods Hole Oceanographic Institu ...
Research tracks whales by listening to sounds
Jan 02, 2006 |
3 / 5 (5) |
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Researchers have developed a new tool to help them study endangered whales – autonomous hydrophones that can be deployed in the ocean to record the unique clicks, pulses and calls of different whale species. ...
How strong is a hurricane? Just listen
Apr 10, 2008 |
4.9 / 5 (12) |
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Knowing how powerful a hurricane is, before it hits land, can help to save lives or to avoid the enormous costs of an unnecessary evacuation. Some MIT researchers think there may be a better, cheaper way of getting that crucial ...
New Sensor Detects Direction of Sound Under Water
Jan 29, 2007 |
4.2 / 5 (18) |
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A new sensor that measures the motion created by sound waves under water could allow the U.S. Navy to develop compact arrays to detect the presence of enemy submarines. These new arrays would detect quiet underwater ...
Nuke test detectors might warn of tsunami
Oct 07, 2005 |
not rated yet |
0
Hydrophone stations in the world's oceans used to detect nuclear testing might help in an early warning system for tsunamis, say U.S. researchers.
A water snake that predicts which way fish will turn when it attacks
Jun 18, 2009 |
4.8 / 5 (6) |
2
Forget the old folk tales about snakes hypnotizing their prey. The tentacled snake from South East Asia has developed a more effective technique. The small water snake has found a way to startle its prey so ...
New analysis of earthquake zone raises questions
Space & Earth / Earth Sciences
Aug 26, 2008 |
4.4 / 5 (11) |
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Oregon State University scientists have completed a new analysis of an earthquake fault line that extends some 200 miles off the southern and central Oregon coast that they say is more active than the San Andreas Fault in ...
Researchers track lobster migrations to improve population estimates
Biology /
Dec 09, 2008 |
4.7 / 5 (3) |
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Jason Goldstein checks his lobster traps in New Hampshire's Great Bay Estuary once a week, but not for tasty crustaceans to sell. Instead, the University of New Hampshire Ph.D. candidate is fitting these lobsters ...
Narwhals May Produce Signature Vocalizations for Communications
Biology /
Sep 28, 2006 |
3.2 / 5 (9) |
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Scientists have found preliminary evidence that narwhals, Arctic whales whose spiraled tusks gave rise to the myth of the unicorn, produce signature vocalizations that may facilitate individual recognition or their reunion ...
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