News tagged with sound waves

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'Anti Vuvuzela Filter' promises quieter World Cup

An online company has begun marketing an "Anti Vuvuzela Filter" that promises to silence the sound of the controversial plastic trumpets that have become the trademark of South Africa's World Cup.

Jun 15, 2010
1.8 / 5 (8) 8

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

How does the human brain memorize a sound?

Sound repetition allows us to memorize complex sounds in a very quick, effective and durable way. This form of auditory learning, which was evidenced for the first time by French researchers from CNRS, ENS Paris, and Paris ...

Jun 03, 2010
4.3 / 5 (4) 0

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