For the first time, researchers have been able to show by acoustic analysis that whales—or at least one very special white whale—can imitate the voices of humans. That's a surprise, because whales typically produce sounds ...
Plants & Animals
Oct 22, 2012
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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 acoustic source ...
General Physics
Sep 4, 2009
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Though oysters may be brainless bivalves, they can "hear" and swim towards attractive sounds of the sea.
Plants & Animals
May 13, 2022
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Oceanographers and engineers at the University of California San Diego collaborated to modify a common physical oceanography instrument to be able to image zooplankton as it glides through the ocean.
Earth Sciences
Jan 7, 2019
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(PhysOrg.com) -- Researchers at Woods Hole Oceanographic Institution (WHOI) have developed two advanced broadband acoustic systems that they believe could represent the acoustic equivalent of the leap from black-and-white ...
Engineering
Apr 1, 2010
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(PhysOrg.com) -- Over the past decade, researchers have developed a variety of reliable real-time and archival instruments to study sounds made or heard by marine mammals and fish. These new sensors are now being used in ...
Ecology
Dec 29, 2009
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Shipboard echosounders can help scientists find and identify life in the ocean, from schools of fish to diving seabirds and even flurries of tiny krill.
Plants & Animals
Sep 27, 2013
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You might think it'd be easy to track an animal as large as a blue whale. But don't let their size fool you—they're incredibly hard to study using conventional methods.
Plants & Animals
Apr 14, 2023
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How do you track a fish? There's no "Google Maps" for finding fish. The radio signals that are the backbone of traditional GPS cannot pass through seawater. But sound travels remarkably well, so scientists often use acoustic ...
Ecology
Aug 23, 2013
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Noise pollution in the oceans has been shown to cause physical and behavioral changes in marine life, especially in dolphins and whales, which rely on sound for daily activities. However, low frequency sound produced by large ...
Ecology
Apr 11, 2011
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