News tagged with natural sounds

One-way transmission system for sound waves

While many hotel rooms, recording studios, and even some homes are built with materials to help absorb or reflect sound, mechanisms to truly control the direction of sound waves are still in their infancy. ...

Jul 26, 2011
4.6 / 5 (8) 5 | with audio podcast

Recording the soundscapes of spring

This April, when you step outside and hear the first sounds of spring, you won't be hearing just songbirds and buzzing insects, but aural evidence of an awakening ecosystem.

Mar 11, 2011
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First hyperlens for sound waves created

Ultrasound and underwater sonar devices could "see" a big improvement thanks to development of the world's first acoustic hyperlens. Created by researchers with the U.S. Department of Energy's Lawrence Berkeley ...

Oct 25, 2009
4.7 / 5 (20) 4