News tagged with sound bullets
Caltech researchers create 'sound bullets'
Taking inspiration from a popular executive toy ("Newton's cradle"), researchers at the California Institute of Technology have built a device -- called a nonlinear acoustic lens -- that produces highly focused, high-amp ...
Apr 21, 2010 |
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Sound bullets could treat cancers and replace ultrasound (w/ Video)
(PhysOrg.com) -- Acoustic devices are used in a range of applications such as ultrasound scanners, but their performance is limited for some uses by their inaccurate focusing and low focal power. Now a group ...
Apr 07, 2010 |
4.9 / 5 (16) |
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Search results for sound bullets
Japan scientist makes violin strings from spider silk
A Japanese scientist said he has made violin strings out of spider silk and claims that -- in the right hands -- they produce a beautiful sound.
Mar 06, 2012 |
4.7 / 5 (15) |
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Space weather: Explosions on Venus
In the grand scheme of the solar system, Venus and Earth are almost the same distance from the sun. Yet the planets differ dramatically: Venus is some 100 times hotter than Earth and its days more than 200 ...
Space & Earth / Space Exploration
Mar 05, 2012 |
4 / 5 (9) |
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Cactus may give farmers a cure for poisoned crop land
The prickly pear cactus may not sound like a trendy cash crop, but it could become a phenomenon among farmers on the arid west side of California's San Joaquin Valley.
Feb 02, 2012 |
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The unstable future of a world full of men
As the global population hits seven billion, experts are warning that skewed gender ratios could fuel the emergence of volatile "bachelor nations" driven by an aggressive competition for brides.
Other Sciences / Social Sciences
Oct 26, 2011 |
5 / 5 (9) |
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To catch a speeding bullet
In 1992, East Palo Alto, a city of 24,000 on the San Francisco Peninsula, logged the highest homicide rate in the nation per capita. Gun violence and celebratory gunfire plagued citizens and police.
Aug 02, 2011 |
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Wake cloaking simulated in lab - objects move through water without leaving a trace
(PhysOrg.com) -- Metamaterials researchers Yaroslav Urzhumov and David Smith, working at Duke University have built a simulation of an object that can move through water without leaving a trace and claim it's ...
Jul 25, 2011 |
4.9 / 5 (15) |
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Weighted ping-pong balls can fall endlessly through a granular medium (w/ video)
(PhysOrg.com) -- When a meteor impacts a planet or a moon, it always stops at a relatively shallow depth, even when impacting at high speeds. Until now, researchers have assumed that all objects impacting ...
Jun 27, 2011 |
4.2 / 5 (12) |
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SCRAMSPACE - the next frontier
A talented new team of young scientists and engineers at The University of Queensland (UQ) is building a hypersonic scramjet which will fly at 8600 km/h in South Australia next year.
May 16, 2011 |
4 / 5 (3) |
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Nation's quake-warning system needs work, scientists say
Americans have been lulled into a false sense of security that they are prepared for a devastating earthquake, according to a report issued Wednesday by the National Research Council.
Space & Earth / Earth Sciences
Apr 05, 2011 |
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Sounds of Comet Tempel 1 smashing into Stardust-NExT
As Stardust-Next was racing past Comet Tempel at 9.8 km/sec, or 24,000 MPH, it encountered a hail of bullet like particles akin to a warplane meeting the fury of armed resistance fighters which potentially ...
Space & Earth / Space Exploration
Feb 24, 2011 |
5 / 5 (2) |
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List of search results for sound bullets
