News tagged with hydrophone

Seven miles deep, ocean still a noisy place

For what may be the first time, NOAA and partner scientists eavesdropped on the deepest part of the world's ocean and instead of finding a sea of silence, discovered a cacophony of sounds both natural and caused by humans.

dateMar 02, 2016 in Earth Sciences
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Navigating underwater using spiral sound

With the increased use of underwater robotics in both Navy and commercial applications, underwater navigation becomes more and more important. As researchers attempt to make these vehicles smaller and less expensive, simple ...

dateNov 17, 2010 in Engineering
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