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Researchers make new ground in remote quantum entanglement

Scientists were able to demonstrate how two remote atomic quantum systems can be prepared in a shared 'entangled' state. This means that one system is a single atom trapped in an optical resonator, and the other one is a Bose-Einstein condensate consisting of hundreds of thousands of ultracold atoms.

Posted: May 30th, 2011

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NIH grant ratchets up research in molecular motors works in living cells

Empowered by a $1.2 million grant from the National Institutes of Health, Arizona State University scientist Wayne Frasch is deciphering how one of the world's smallest molecular motors works in living cells. In the process, he is also casting light on a physics puzzle that has perplexed scientists for more than 40 years.

Posted: May 30th, 2011

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Graphene can polarize light

Researchers demonstrate the world's thinnest polarizer, which relies on the coupling, guiding and polarizing of electromagnetic waves by graphene. They claim that this breakthrough will someday allow the integration on all-photonic circuits for high-speed optical communications.

Posted: May 30th, 2011

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Nanomaterial-Tests nicht ausreichend?

Die bisherigen Standardtestverfahren fuer die Risikobewertung von Nanomaterialien sind ungenuegend. Zu diesem Ergebnis kommt eine Studie unter der Federfuehrung des Instituts fuer Umweltwissenschaften der Universitaet Koblenz-Landau.

Posted: May 30th, 2011

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Tailoring the size of grains in a metal can make it both strong and ductile

Using a mechanical grinding technique that allowed them to control the structure of a metal's surface on the nanoscale, Ke Lu and colleagues from the Chinese Academy of Science's Institute for Metal Research in Shenyang have overcome the frustrating tradeoff between strength and brittleness to produce a protective copper surface that is both strong and ductile.

Posted: May 30th, 2011

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Measuring atomic 'noise' in nanoscale devices

At the forefront of nanotechnology, researchers design miniature machines to do big jobs, from treating diseases to harnessing sunlight for energy. But as they push the limits of this technology, devices are becoming so small and sensitive that the behavior of individual atoms starts to get in the way. Now Caltech researchers have, for the first time, measured and characterized these atomic fluctuations - which cause statistical noise - in a nanoscale device.

Posted: May 27th, 2011

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A world without nanotechnology? Soon hard to imagine

Nanotechnology is opening up new markets and offering novel solutions to numerous challenges in a very varied range of areas. This was the tenor of the 1st Swiss NanoConvention which took place on May 18 and 19 in Baden.

Posted: May 27th, 2011

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