A new transistor capable of revolutionizing technologies for medical imaging and security screening has been developed by graphene researchers from the Universities of Manchester and Nottingham.
Nanophysics
Apr 30, 2013
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(Phys.org) —A Harvard-led team of researchers has created a new type of nanoscale device that converts an optical signal into waves that travel along a metal surface. Significantly, the device can recognize specific kinds ...
Optics & Photonics
Apr 22, 2013
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Many devices used in everyday life—whether they be televisions, mobile phones or barcode scanners—are based on the manipulation of electric currents and light. At the micro- and nano-scales, however, it is typically challenging ...
Optics & Photonics
Apr 11, 2013
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(Phys.org) —Low-energy terahertz radiation could potentially enable doctors to see deep into tissues without the damaging effects of X-rays, or allow security guards to identify chemicals in a package without opening it. ...
General Physics
Mar 27, 2013
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(Phys.org)—Northwestern University's Yonggang Huang and the University of Illinois' John A. Rogers are the first to demonstrate a stretchable lithium-ion battery—a flexible device capable of powering their innovative ...
Engineering
Feb 26, 2013
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Identifying the mysterious mechanism underlying high-temperature superconductivity (HTS) remains one of the most important and tantalizing puzzles in physics. This remarkable phenomenon allows electric current to pass with ...
Superconductivity
Feb 24, 2013
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(Phys.org)—A team of physicists in Israel has succeeded in generating an electron Airy beam for the first time. As they describe in their paper published in the journal Nature, the researchers used a technique similar to ...
Using the geometric and material properties of a unique nanostructure, Boston College researchers have uncovered a novel photonic effect where surface plasmons interact with light to form "plasmonic halos" of selectable output ...
Nanophysics
Feb 7, 2013
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Modern telecommunications happens because of fast electrons and fast photons. Can it get better? Can Moore's law—the doubling of computing power ever 18 months or so—be sustained? Can the compactness (nm-scale components) ...
Nanophysics
Feb 5, 2013
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Sound waves are widely used in medical imaging, such as when doctors take an ultrasound of a developing fetus. Now scientists have developed a way to use sound to probe tissue on a much tinier scale. Researchers from the ...
Bio & Medicine
Feb 1, 2013
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