News tagged with acoustic waves

Related topics:

Moon's shadow, like a ship, creates waves

During a solar eclipse, the Moon's passage overhead blocks out the majority of the Sun's light and casts a wide swath of the Earth into darkness. The land under the Moon's shadow receives less incoming energy ...

Oct 05, 2011
4.6 / 5 (5) 3 | with audio podcast

Now in broadband: Acoustic imaging of the ocean

(PhysOrg.com) -- Researchers at Woods Hole Oceanographic Institution (WHOI) have developed two advanced broadband acoustic systems that they believe could represent the acoustic equivalent of the leap from ...

Apr 01, 2010
4.8 / 5 (5) 0 | with audio podcast

The world's smallest microlaser

ETH-Zurich physicists (Switzerland) have developed a new kind of laser that shatters the boundaries of possibility: it is by far the smallest electrically pumped laser in the world and one day could revolutionize ...

Mar 23, 2010
4.6 / 5 (27) 5 | with audio podcast

Acoustic levitation could be used on Mars

(PhysOrg.com) -- The presence of fine dust on the Moon and Mars may present problems for explorers, such as coating solar panels, penetrating seals and interfering with machinery. Human explorers would also ...

Jan 25, 2010 report
4.1 / 5 (12) 8 | with audio podcast

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

3D modeling of the Sun from the core to the surface

A team at the Astrophysics, Instrumentation and Modeling Laboratory (CEA/CNRS/Université Paris Diderot) has successfully modeled, in 3D, the effects of gravity waves in an extremely comprehensive simulation ...

May 14, 2014
4.6 / 5 (9) 7

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
5 / 5 (1) 0