A new way to control information by mixing light and sound
For once, slower is better in a new piece of technology.
General Physics
Mar 5, 2015
0
52
News tagged with sound energy
New seismic survey technique could save dolphins' hearing
Conventional seismic imaging transmits sound energy into the ground and builds a picture of the underlying geology by analysing how the energy waves are reflected back to the receiver.
Engineering
Dec 23, 2014
0
0
Laser physics upside down
At the Vienna University of Technology a system of coupled lasers has been created which exhibits truly paradoxical behaviour: An increase in energy supply switches the lasers off, reducing the energy can switch them on.
Optics & Photonics
Jul 15, 2014
1
0
The destructive power of sound waves
Researchers at the University of Arizona College of Engineering have come up with a novel way to help the U.S. Air Force dispose of stockpiles of dangerous chemicals – using nothing more than sound waves.
General Physics
Dec 16, 2013
0
1
What's the sound of a hundred thousand soccer fans?
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
The sounds of science: Melting of iceberg creates surprising ocean din
(Phys.org) —There is growing concern about how much noise humans generate in marine environments through shipping, oil exploration and other developments, but a new study has found that naturally occurring phenomena could ...
Earth Sciences
Jul 11, 2013
6
0
New technology modifies music hall acoustics
A new technology that relies on a system of inflatable sound absorbers may help make any performance hall instantly convertible into a venue for music ranging from classical to hard rock. The technology will be described ...
General Physics
May 31, 2013
0
0
New coating could enable major boost in solar-cell efficiency
Throughout decades of research on solar cells, one formula has been considered an absolute limit to the efficiency of such devices in converting sunlight into electricity: Called the Shockley-Queisser efficiency limit, it ...
Energy & Green Tech
Apr 18, 2013
15
0
Physics at the threshold of hearing
(Phys.org) —The mammalian auditory system is one of the most sensitive detectors found in nature. Two kinds of cells, the inner and outer hair cells, work together to transduce mechanical vibrations into action potentials. ...
Missile and meteorite impacts are more complex at the granular level than scientists previously thought
(Phys.org)—High-speed video of projectiles slamming into a bed of disks has given scientists a new microscopic picture of the way a meteorite or missile transfers the energy of its impact to sand and dirt grains.
General Physics
Dec 11, 2012
9
0
