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New nanolens breaks resolution record
Wired UK    Share    Share on FacebookTwitterShare on LinkedinE-mail article
A new kind of lens reaches an unprecedentedly sharp focus by giving up on being perfect. The lens is the first ever to help take visual light images of structures smaller than 100 nanometers, which could make it useful for nanotechnology and probing the insides of cells. Read the associated Physical Review Letters abstract More


Simplifying the process of detecting genuine multiparticle entanglement
PhysOrg    Share    Share on FacebookTwitterShare on LinkedinE-mail article
The ability to entangle particles is considered essential for a number of experiments and applications, but entanglement is still difficult to detect unambiguously. Physicists are now proposing a new method to easily evaluate multiparticle entanglement. Read the associated Physical Review Letters abstract. More

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New superconductive properties discovered in old sandwich material
PhysOrg    Share    Share on FacebookTwitterShare on LinkedinE-mail article
Researchers have discovered that a previously known kind of double layered material created using electrostatic doping can be used as a superconductor. More

Weird 'unparticle' boosted by Tevatron signal
New Scientist    Share    Share on FacebookTwitterShare on LinkedinE-mail article
Elastic "unparticles" could explain a mysterious signal glimpsed at a particle collider a year ago. That would link a tenuous but intriguing idea to one of the biggest mysteries in physics: why matter prevails over antimatter in the universe. More

Light Sources: Technologies and Applications

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Unbound planets could abound in the universe
Physics World    Share    Share on FacebookTwitterShare on LinkedinE-mail article
Ten planets that appear to be drifting in interstellar space have been spotted by an international team of astronomers. The planets are so far from any host stars that they may not orbit a star at all, and could be drifting unbound through space. The team believes that such rogue planets could outnumber normal stars almost 2:1 and their existence could confirm computer simulations of solar-system formation. More

Details of Japan earthquake explain its extraordinary strength and unexpectedness
Scientific American    Share    Share on FacebookTwitterShare on LinkedinE-mail article
The first scientific analyses of the deadly earthquake that took place in Japan on March 11 confirm its power and suggest what might happen next. More


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Largest-ever survey of cosmic history confirms that dark energy exists, is tearing the universe apart
Popular Science    Share    Share on FacebookTwitterShare on LinkedinE-mail article
After a five-year study of 200,000 galaxies, scientists are more certain than ever that dark energy acts as a repulsive force, tearing the universe apart at an accelerating rate. The research confirms the idea that dark energy dominates gravity throughout the cosmos. But no one has any idea what dark energy actually is or how it works. More

Liquid crystals could detect contaminated water
New Scientist    Share    Share on FacebookTwitterShare on LinkedinE-mail article
If you've ever dropped your mobile phone in dishwater, you can now claim you were testing the water for bacterial contamination. It seems liquid crystals, ubiquitous in electronic displays, are the best way to detect water-borne toxins.
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Chu calls NSF's decision to abandon DUSEL 'disappointing'
Science Magazine    Share    Share on FacebookTwitterShare on LinkedinE-mail article
Energy Secretary Steven Chu says that he's "very disappointed" with the National Science Foundation (NSF) for pulling out of a planned $875-million underground science lab in South Dakota. In his most extensive public comments since NSF's oversight body decided in December to walk away from the Deep Underground Science and Engineering Laboratory (DUSEL) project, Chu told a congressional spending panel yesterday that the decision was especially hard to fathom "since [NSF] started it." More
 
 

APS Weekly NewsBrief
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