News tagged with acoustic

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

Croaking chorus of Cuban frogs make noisy new neighbors

Human-produced noises from sources such as traffic and trains can substantially impact animals, affecting their ability to communicate, hunt, or even survive. But can the noise made by another animal have the same detrimental ...

May 31, 2013
not rated yet 0

When a whistle beats a tweet

Biologists have discovered that a species of Australian pigeon has a secret way of alerting fellow birds to predators -- a "whistle" emitted by flapping wings when the bird takes off in alarm.

Sep 01, 2009
not rated yet 1

Flying Telescope Passes Key Test

Most astronomers wouldn't dream of opening their observatory's doors in 100 mph winds. Yet NASA's new SOFIA telescope recently flew in an airplane at 250 mph with doors wide open.

Jan 08, 2010
4.7 / 5 (6) 3 | with audio podcast

Acoustic waves warn of tsunami

An early warning system against tsunamis has been developed and tailored for the need of the Mediterranean, but preparedness on the ground is paramount to ensuring peoples' safety.

Aug 29, 2013
5 / 5 (1) 0