News tagged with acoustic

Vienna physicists create tap-proof waves

Scientists at the Vienna University of Technology (TU Vienna) have developed a method to steer waves on precisely defined trajectories, without any loss. This way, sound waves could be sent directly to a target, ...

Apr 04, 2011
5 / 5 (2) 1

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

Novel use of MEMS microphones to map noise pollution

The UK's National Physical Laboratory (NPL) has developed a new measurement-based approach to environmental noise monitoring and mapping using unique sensors. NPL in conjunction with Castle Group, QinetiQ and Hoare Lea Acoustics, ...

Nov 23, 2010
not rated yet 1

Navigating underwater using spiral sound

With the increased use of underwater robotics in both Navy and commercial applications, underwater navigation becomes more and more important. As researchers attempt to make these vehicles smaller and less ...

Nov 17, 2010
2.5 / 5 (2) 0