News tagged with acoustic

Environmental scandal in Chile

Until recently, the disastrous scale of the threat posed by salmon farms to the fauna and National Park of the Aysen region of southern Chile was entirely unknown. The unexpected discovery was made by researchers ...

Jun 22, 2010
4.8 / 5 (4) 0

Measuring fatigue through the voice

What can scientists learn from watching a group of people sitting around, chatting, playing movies, reading, and happily making new friends? Quite a lot, says University of Melbourne, Australia acoustician Adam Vogel, who ...

Dec 22, 2010
4.5 / 5 (4) 0 | with audio podcast

A more stealthy robot may be hearing you soon

(PhysOrg.com) -- Stealth is a trait that few of us posses naturally. Most of us are really kind of obvious as we walk down the street or sashay through the halls of the office. That is why people who are trying ...

Mar 23, 2011 weblog
3.4 / 5 (5) 4 | with audio podcast

I'm forever imploding bubbles

The National Physical Laboratory (NPL) has developed the first sensor capable of measuring localized ultrasonic cavitation - the implosion of bubbles in a liquid when a high frequency sound wave is applied. The sensor will ...

Apr 07, 2009
4.7 / 5 (3) 1