Underwater GPS system powered by sound could open up ocean exploration By David Szondy November 02, 2020 A sound-powered acoustic sensor sealed in plastic MIT/Reza Ghaffarivardavagh View 1 Images ...

A hydrophone, or underwater microphone, is typically used to record acoustics. The Ocean Observatories Initiative, a project ...

Scientists 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 has the ...

Don’t expect to play a game of Marco Polo by shouting from beneath the pool’s surface. No one will hear you because, normally, only about 0.1 percent of sound is transmitted from water to the air. But ...

In 1997, scientists with the U.S. National Oceanic and Atmospheric Administration were recording the sounds of underwater volcanic activity when they picked up a noise that was so incredibly ...

Researchers at the University of New Hampshire are partnering with the first utility-scale offshore wind project approved in the U.S., Vineyard Wind, to gather data on underwater sounds and how they ...

Buried in the depths of the oceans, over a million enormous underwater volcanoes puncture the seabed. Their violent eruptions are extremely powerful and very difficult to detect in the early ...

In 1997, hydrophones in the Pacific picked up a sound so loud it could be heard over 5,000 kilometers away. Known as “The Bloop,” this mysterious underwater noise remains one of the strangest and most ...

A team led by Gabriel Blaj, a staff scientist at the SLAC National Accelerator Laboratory and Stanford University, has generated what may be the loudest possible underwater sound. Using SLAC's Linac ...

A metamaterial is a composite material that exhibits unique properties due to its structure, and now researchers have used one featuring a small sawtooth pattern on its surface to move and position ...

SEATTLE--(BUSINESS WIRE)--Quiet Sound, a collaborative program working to reduce noise and physical impacts to endangered Southern Resident killer whales from large commercial vessels, announces the ...