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Nanotechnology explained: Nanowires and nanotubes

Nanowires and nanotubes, slender structures that are only a few billionths of a meter in diameter but many thousands or millions of times longer, have become hot materials in recent years. They exist in many forms - made of metals, semiconductors, insulators and organic compounds - and are being studied for use in electronics, energy conversion, optics and chemical sensing, among other fields.

Posted: Apr 11th, 2013

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Diamond as a building material for optical circuits

The application of light for information processing opens up a multitude of possibilities. However, to be able to adequately use photons in circuits and sensors, materials need to have particular optical and mechanical properties. Researchers at the Karlsruhe Institute of Technology (KIT) have now for the first time used polycrystalline diamond to manufacture optical circuits.

Posted: Apr 10th, 2013

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Overcoming a major barrier to medical and other uses of microrockets and micromotors

An advance in micromotor technology akin to the invention of cars that fuel themselves from the pavement or air is opening the door to new medical and industrial uses for these tiny devices, scientists said today. Their update on development of the motors - so small that thousands would fit inside this 'o' - was part of the 245th National Meeting and Exposition of the American Chemical Society.

Posted: Apr 10th, 2013

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Suddenly magnetic

It came as a surprise: If tin atoms are arranged on a silicon substrate in a special way, the material becomes magnetic. University of Würzburg physicists have successfully conducted such an experiment. This research might open up a new way of processing information.

Posted: Apr 10th, 2013

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Peel-and-stick thin film solar cells

Hanyang University in collaboration with Stanford University has succeeded in fabricating peel-and-stick thin film solar cells (TFSCs). The Si wafer is clean and reusable. Moreover, as the peeled-off TFSCs from the Si wafer are thin, light-weight, and flexible, it can be attached onto any form or shape of surface like a sticker.

Posted: Apr 10th, 2013

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