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

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 ...

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 ...

Low frequency sound can travel almost unimpeded from water into air, claims a theoretical physicist in the US. The results are in stark contrast to the conventional view that the underwater world is ...

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 ...

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 ...

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 ...

EDMONDS, Wash. — Southern Resident killer whales use clicks and sound to find their prey, the majority of which are Chinook salmon. The signal bounces of a fish's swim bladder like a radar, which ...

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 ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. It's not the sound of a massive underwater earthquake, nor is it the sound of a pistol shrimp ...

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 ...