Nanotechnology News – Latest Headlines

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.

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.

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.

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.

May 27th, 2011

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The quantum computer is growing up

A general rule in data processing is that disturbances cause the distortion or deletion of information during data storage or transfer. Methods for conventional computers were developed that automatically identify and correct errors: Data are processed several times and if errors occur, the most likely correct option is chosen. As quantum systems are even more sensitive to environmental disturbances than classical systems, a quantum computer requires a highly efficient algorithm for error correction.

May 27th, 2011

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5 new hot spots where medicine and technology will converge

Medicine and technology are converging in patient care at a faster pace than most people realize. Space age advancements from point-of-care health technologies like telemedicine to medical robots performing surgery are fast becoming commonplace in many hospitals. What's next?

May 26th, 2011

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