Sound can now be structured in three dimensions. Researchers from the Max Planck Institute for Intelligent Systems and the University of Stuttgart have found a way of generating acoustic holograms, which could improve ultrasound ...
General Physics
Sep 22, 2016
0
308
Acoustic-gravity waves are very long sound waves that cut through the deep ocean at the speed of sound. These lightning-quick currents can sweep up water, nutrients, salts, and any other particles in their wake, at any water ...
General Physics
Feb 29, 2016
0
77
Scientists at the National Physical Laboratory (NPL) - the UK's National Measurement Institute - have developed an optical method for remotely measuring sound pressure inside a fully anechoic chamber which is the first to ...
General Physics
Apr 28, 2015
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16
Sophie Nedelec and colleagues studied sounds from coral reefs in the Gambier Archipelago, French Polynesia.
Environment
Apr 24, 2015
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32
Mention vuvuzela to soccer fans, and they may cringe. The plastic horn rose to prominence during the 2010 World Cup in South Africa, where tens of thousands of those instruments blared in packed stadiums. The loud, buzzing ...
General Physics
Nov 27, 2013
1
0
A sensor developed in Norway gives microphones hyper-acute hearing and a sense of direction.
Engineering
Jun 19, 2013
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0
(Phys.org) —A network of seismographic stations recorded spectacular signals from the blast waves of the meteor that landed near Chelyabinsk, Russia, as the waves crossed the United States.
Earth Sciences
Mar 5, 2013
0
0
Sound waves are commonly used in applications ranging from ultrasound imaging to hyperthermia therapy, in which high temperatures are induced, for example, in tumors to destroy them. In 2010, researchers at Caltech led by ...
General Physics
Nov 19, 2012
0
0
His blood could boil. His lungs could overinflate. The vessels in his brain could burst. His eyes could hemorrhage. And, yes, he could break his neck while jumping from a mind-boggling altitude of 23 miles (37 kilometers).
Space Exploration
Oct 1, 2012
2
0
(Phys.org) -- Bang. Clatter. Tinkle. Jingle. When solid objects collide in the real world we hear a sharp impact sound, sometimes followed by a ringing aftershock. Creating sounds like that to accompany computer animation ...
Computer Sciences
Aug 21, 2012
5
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