News tagged with acoustics

Bats' echolocation recorded for human exploit

Bats' remarkable ability to 'see' in the dark uses the echoes from their own calls to decipher the shape of their dark surroundings. This process, known as echolocation, allows bats to perceive their surroundings ...

May 11, 2010
5 / 5 (4) 0 | with audio podcast

Sensor predicts glass breakage

(PhysOrg.com) -- Modern glass façades inform the architecture of major cities throughout the world. In recent years, however, there have been cases of broken glass, with collapsing facades endangering passers-by. ...

May 04, 2010
4 / 5 (1) 0

Safely anchored at sea

(PhysOrg.com) -- Different layers of the seabed reflect sound waves in a specific way. German researchers are harnessing the benefits of this fact to efficiently track down suitable offshore sites for wind ...

May 04, 2010
not rated yet 1

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

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

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

The world's smallest microlaser

ETH-Zurich physicists (Switzerland) have developed a new kind of laser that shatters the boundaries of possibility: it is by far the smallest electrically pumped laser in the world and one day could revolutionize ...

Mar 23, 2010
4.6 / 5 (27) 5 | with audio podcast

Decoding the long calls of the orangutan

Research into the long calls of male Orangutans in Borneo has given scientists new insight into how these solitary apes communicate through dense jungle. An acoustic analysis of the calls, published today ...

Mar 09, 2010
not rated yet 0 | with audio podcast