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Magnetic monopoles perform a random walk

Researchers at the London Centre for Nanotechnology and the University of Oxford report experimental evidence that magnetic monopoles in spin ice undergo a random wandering motion analogous to the "Brownian" motion of pollen grains in water, first observed by Thomas Brown in 1827.

Posted: Feb 26th, 2013

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Connecting the (quantum) dots

New spin technique moves researchers at the University of Pittsburgh and Delft University of Technology closer to creating the first viable high-speed quantum computer.

Posted: Feb 26th, 2013

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Light particles illuminate the vacuum

Researchers from the Finnish Aalto University and the VTT Technical Research Centre of Finland showed experimentally that vacuum has properties not previously observed.

Posted: Feb 26th, 2013

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Enhanced light-harvesting in quantum dot-metal-organic frameworks

Researchers report the functionalization of porphyrin-based metal-organic frameworks (MOFs) with CdSe/ZnS core/shell quantum dots for the enhancement of light harvesting via energy transfer from the QDs to the MOFs. This work paves the road for the development of efficient light harvesting complexes for solar energy conversion.

Posted: Feb 26th, 2013

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Research to probe deep within a solar cell

Engineers and scientists from the University of Sheffield have pioneered a new technique to analyse PCBM, a material used in polymer photovoltaic cells, obtaining details of the structure of the material which will be vital to improving the cell's efficiency.

Posted: Feb 26th, 2013

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Researchers develop new method of controlling nanodevices

In a discovery that could lead to big changes in storing digital information and powering motors in small hand-held devices, researchers at UCLA have developed a method for switching tiny magnetic fields on and off with an electric field - a sharp departure from the traditional approach of running a current through a wire.

Posted: Feb 25th, 2013

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