News tagged with sound waves

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New scenery at Earth's core-mantle boundary found

(PhysOrg.com) -- Using a diamond-anvil cell to recreate the high pressures deep within the earth, researchers at the California Institute of Technology (Caltech) have found unusual properties in an iron-rich magnesium- and ...

Sep 02, 2010
5 / 5 (5) 4 | with audio podcast

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 ...

Jun 14, 2010
3.6 / 5 (5) 0 | with audio podcast

Now in broadband: Acoustic imaging of the ocean

(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 ...

Apr 01, 2010
4.8 / 5 (5) 0 | with audio podcast