News tagged with natural sounds

Weighing gas with sound and microwaves

NIST scientists have developed a novel method to rapidly and accurately calibrate gas flow meters, such as those used to measure natural gas flowing in pipelines, by applying a fundamental physical principle: When a sound ...

dateJan 26, 2015 in Engineering
shares26 comments 0

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 National Laboratory, ...

dateOct 25, 2009 in General Physics
shares0 comments 4