News tagged with acoustic wave
Low-Budget Fusion Reactor Could Generate Energy within a Decade
Aug 04, 2009 |
4.5 / 5 (57) |
57
(PhysOrg.com) -- Currently, most nuclear fusion power plants are large, expensive projects that will take decades to benefit from. But a startup company in Vancouver, Canada, called General Fusion is taking ...
Shifting sound to light may lead to better computer chips
Mar 16, 2009 |
4 / 5 (4) |
0
By reversing a process that converts electrical signals into sounds heard out of a cell phone, researchers may have a new tool to enhance the way computer chips, LEDs and transistors are built.
Search results for acoustic wave
Visualizing atomic-scale acoustic wavesin nanostructures
Jul 03, 2008 |
4.5 / 5 (13) |
0
Acoustic waves play many everyday roles - from communication between people to ultrasound imaging. Now the highest frequency acoustic waves in materials, with nearly atomic-scale wavelengths, promise to be ...
Acoustic tweezers can position tiny objects
Nanotechnology / Nanomaterials
Aug 28, 2009 |
5 / 5 (7) |
1
(PhysOrg.com) -- Manipulating tiny objects like single cells or nanosized beads often requires relatively large, unwieldy equipment, but now a system that uses sound as a tiny tweezers can be small enough ...
Sun's corona is both hot and kinky
Mar 06, 2008 |
3 / 5 (4) |
0
Astrophysicists are having a heated debate over the wave structure of the Sun’s Corona - a debate which may one day influence solar weather forecasting and the theory behind fusion reactors.
'Invisibility cloaks' could break sound barriers
Jan 09, 2008 |
4.4 / 5 (40) |
5
Contrary to earlier predictions, Duke University engineers have found that a three-dimensional sound cloak is possible, at least in theory.
Researchers prove existence of new type of electron wave
Jul 04, 2007 |
4.6 / 5 (64) |
0
New research led by University of New Hampshire physicists has proved the existence of a new type of electron wave on metal surfaces: the acoustic surface plasmon, which will have implications for developments in nano-optics, ...
First hyperlens for sound waves created
Oct 25, 2009 |
4.7 / 5 (18) |
4
Ultrasound and underwater sonar devices could "see" a big improvement thanks to development of the world's first acoustic hyperlens. Created by researchers with the U.S. Department of Energy's Lawrence Berkeley ...
Nuisance noise silenced by an acoustic cloak
Jun 13, 2008 |
4.6 / 5 (29) |
4
Researchers in Spain have proven that metamaterials, materials defined by their unusual man-made cellular structure, can be designed to produce an acoustic cloak - a cloak that can make objects impervious to sound waves, ...
I'm forever imploding bubbles
Apr 07, 2009 |
4.7 / 5 (3) |
1
The National Physical Laboratory (NPL) has developed the first sensor capable of measuring localized ultrasonic cavitation - the implosion of bubbles in a liquid when a high frequency sound wave is applied. The sensor will ...
Sshhh, it's listening: totally new computer interfaces
Technology / Computer Sciences
Dec 13, 2007 |
4.3 / 5 (13) |
0
Keyboards are a necessary part of today’s computers, right? Maybe not for much longer. A group of European scientists have used acoustic sensors to turn wooden tabletops and even three-dimensional objects ...
Micro honeycomb materials enable new physics in aircraft sound reduction
Sep 29, 2008 |
4.8 / 5 (24) |
1
Noise from commercial and military jet aircraft causes environmental problems for communities near airports, obliging airplanes to follow often complex noise-abatement procedures on takeoff and landing. It ...
List of search results for acoustic wave
