News tagged with acoustic

Moon's shadow, like a ship, creates waves

During a solar eclipse, the Moon's passage overhead blocks out the majority of the Sun's light and casts a wide swath of the Earth into darkness. The land under the Moon's shadow receives less incoming energy ...

Oct 05, 2011
4.6 / 5 (5) 3 | 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

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

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

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

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