News tagged with acoustic

Caltech researchers create 'sound bullets'

Taking inspiration from a popular executive toy ("Newton's cradle"), researchers at the California Institute of Technology have built a device -- called a nonlinear acoustic lens -- that produces highly focused, high-amp ...

Apr 21, 2010 5 / 5 (4) 1

How are droplets displaced by ultrasounds?

Understanding the physical mechanisms that enable a droplet to be displaced by propagating an acoustic wave along the substrate on which it lies is the hurdle that has been overcome by researchers from the Institut d'Electronique ...

Mar 31, 2010 3.5 / 5 (2) 0

Christmas Carol Talk

Even without the lyrics, the tunes of some Christmas carols -- such as "Jingle Bells" or "Deck the Halls" -- sound uplifting. But the melodies of other songs like "We Three Kings" have a different, somber sound.

Dec 22, 2009 not rated yet 0

Guam rhino beetles got rhythm

In May 2008 the island of Guam became a living laboratory for scientists as they attached acoustic equipment to coconut trees in order to listen for rhinoceros beetles. A grant from USDA IPM allowed Richard Mankin, a recognized ...

Apr 14, 2009 not rated yet 0

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

Radar exposing water leaks

A wide range of technologies deal with water leaks. But the most recent innovative solutions aim to be far more effective than any other prior technologies.

Aug 09, 2013 5 / 5 (2) 0