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Physics & Chemistry
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Today's news headlines from the sources selected by our team:
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Quantum computers take step toward practicality with demonstration of new device
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Computers based on the powerful properties of quantum mechanics have the potential to revolutionize information technology and security, but for decades they have remained more theoretical than practical, and difficult to scale up. That is changing, however, as demonstrated in a report this week in the journal Science.
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Made-to-order isotopes hold promise on science's frontier
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Designer labels have a lot of cachet -- a principle that`s equally true in fashion and physics. The future of nuclear physics is in designer isotopes -- the relatively new power scientists have to make specific rare isotopes to solve scientific problems and open doors to new technologies, according to Bradley Sherrill, a University Distinguished Professor of physics and associate director for research at the National Superconducting Cyclotron Laboratory at Michigan State University.
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Scientists demonstrate method for integrating nanowire devices directly onto silicon
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Applied scientists at Harvard University in collaboration with researchers from the German universities of Jena, Gottingen, and Bremen, have developed a new technique for fabricating nanowire photonic and electronic integrated circuits that may one day be suitable for high-volume commercial production.
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Researchers identify pressure effects on nanomaterials
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Transistors, lasers and solar-energy conversion devices may be easier to manipulate because of recent research by Lawrence Livermore National Laboratory scientists. The researchers defined the role high pressure plays in precisely tuning the fundamental properties of nanomaterials and, in particular, nanoparticle assemblies that are important for device applications.
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How Light Squeezes Through Small Holes: Detailed For First Time
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How does light pass through a tiny hole? For the first time, scientists have succeeded in mapping this process in detail. Their research also promises a significant improvement in Terahertz microscopy in the long term, a potentially interesting new imaging technique, and Terahertz microspectroscopy, a technique for identifying tiny quantities of substances using light.
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Designer Isotopes Push The Frontier Of Science
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Designer labels have a lot of cachet -- a principle that's equally true in fashion and physics. The future of nuclear physics is in designer isotopes -- the relatively new power scientists have to make specific rare isotopes to solve scientific problems and open doors to new technologies, according to some physicists.
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Method For Integrating Nanowire Devices Directly Onto Silicon Developed
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Scientists have developed a new technique for fabricating nanowire photonic and electronic integrated circuits that may one day be suitable for high-volume commercial production. The fabrication technique could yield low-cost, scalable nanowire photonic and electronic circuits.
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Warming Up For Magnetic Resonance Imaging
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A new method of magnetic resonance imaging, much faster, more selective -- able to distinguish even among different target molecular species -- and many thousands of times more sensitive, has just been developed. The new technique has the capacity to choose among targets by slight adjustments in temperature.
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Quantum Mechanical Con Game: Winning Every Time
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For the first time, physicists have come up with a scheme that would allow a quantum mechanical expert to win every time in a con game with a victim who only knows about classical physics. Prior quantum cons have typically been vulnerable to simple countermeasures.
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