News tagged with acoustic

Radar exposing water leaks

A wide range of technologies deal with water leaks. But the most recent innovative solutions aim to be far more effective than any other prior technologies.

Aug 09, 2013 5 / 5 (2) 0

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 4.5 / 5 (2) 1

Dialect Detectives

(PhysOrg.com) -- Technology under development by Pedro Torres-Carrasquillo and his colleagues at Lincoln Laboratory may lead to a dialect identification system that compensates for a translator's inexperience ...

Apr 16, 2009 4 / 5 (2) 1

How are droplets displaced by ultrasounds?

Understanding the physical mechanisms that enable a droplet to be displaced by propagating an acoustic wave along the substrate on which it lies is the hurdle that has been overcome by researchers from the Institut d'Electronique ...

Mar 31, 2010 3.5 / 5 (2) 0

Beneath the Arctic polar cap

(Phys.org) —The Arctic polar cap has been melting at an astonishing rate over the past 20 or so years. In addition to causing higher sea levels and other environmental impacts, the decreasing surface is ...

Jun 12, 2014 3 / 5 (2) 0

New system helps explain salmon migration

A new acoustic telemetry system tracks the migration of juvenile salmon using one-tenth as many fish as comparable methods, suggests a paper published in the January edition of the American Fisheries Society ...

Jan 08, 2010 5 / 5 (1) 0 | with audio podcast