News tagged with sound waves

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I'm forever imploding bubbles

The National Physical Laboratory (NPL) has developed the first sensor capable of measuring localized ultrasonic cavitation - the implosion of bubbles in a liquid when a high frequency sound wave is applied. The sensor will ...

Apr 07, 2009 4.7 / 5 (3) 1

The destructive power of sound waves

Researchers at the University of Arizona College of Engineering have come up with a novel way to help the U.S. Air Force dispose of stockpiles of dangerous chemicals – using nothing more than sound waves.

Dec 16, 2013 4.8 / 5 (10) 0

New maps show how shipping noise spans the globe

The ocean is naturally filled with the sounds of breaking waves, cracking ice, driving rain, and marine animal calls, but more and more, human activity is adding to the noise. Ships' propellers create low-frequency hums that ...

May 31, 2013 5 / 5 (1) 0