News tagged with acoustic

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

Seeing sound in a new light

The National Physical Laboratory Acoustics team has been investigating acoustic cavitation – the formation and implosion of micro cavities, or bubbles, in a liquid caused by the extreme pressure variations ...

Nov 24, 2011
4.7 / 5 (3) 1

Clot-dissolving bubbles to treat strokes?

(Medical Xpress)—Researchers are using computer simulations to investigate how ultrasound and tiny bubbles injected into the bloodstream might break up blood clots, limiting the damage caused by a stroke ...

Sep 25, 2013
4.7 / 5 (3) 0 | with audio podcast

Why some butterflies sound like ants

Ant nests can offer a lot to organisms other than just ants. They are well-protected, environmentally-stable and resource-rich spaces—in many ways everything a tiny creature could ask for in a home. So ...

Oct 29, 2014
4.7 / 5 (3) 0

Using sound waves for bomb detection

(Phys.org) —A remote acoustic detection system designed to identify homemade bombs can determine the difference between those that contain low-yield and high-yield explosives.

Oct 23, 2013
3.7 / 5 (3) 0 | with audio podcast