News tagged with acoustic waves

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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
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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
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Navigating underwater using spiral sound

With the increased use of underwater robotics in both Navy and commercial applications, underwater navigation becomes more and more important. As researchers attempt to make these vehicles smaller and less ...

Nov 17, 2010
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Multibeam sonar can map undersea gas seeps

A technology commonly used to map the bottom of the deep ocean can also detect gas seeps in the water column with remarkably high fidelity, according to scientists from the University of New Hampshire and ...

Oct 06, 2011
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Acoustic waves warn of tsunami

An early warning system against tsunamis has been developed and tailored for the need of the Mediterranean, but preparedness on the ground is paramount to ensuring peoples' safety.

Aug 29, 2013
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