TWIPS -- sonar inspired by dolphins

Scientists at the University of Southampton have developed a new kind of underwater sonar device that can detect objects through bubble clouds that would effectively blind standard sonar.

'Titanic' mapping expedition sets sail (Update)

A high-tech expedition that aims to create a detailed map of the wreckage of the Titanic, nearly a hundred years after the fabled ship sank in the Atlantic, set sail from Canada on Monday.

Nanotech Speakers Hold Promise for Sonar Uses

(PhysOrg.com) -- UT Dallas researchers have found that carbon nanotube sheets perform well as underwater sound generators and noise-canceling speakers, two highly desirable traits for submarine sonar and stealth capabilities. ...

Madly Mapping the Universe

(PhysOrg.com) -- It takes special software to map the universe from noisy data. A Berkeley Lab code called MADmap does just that for the cosmic microwave background and has now been adapted by scientists probing the sky with ...

Oceans becoming noisier thanks to pollution -- report

The world's oceans are becoming noisier thanks to pollution, with potentially harmful effects for whales, dolphins and other marine life, US scientists said in a study published Sunday.

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