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Technology Stocks : American Superconductor (AMSC)

AMSC 36.53

+4.9%

Nov 6 3:59 PM EST

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From: David C. Burns	8/19/2013 3:50:14 PM
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Adding defects to superconducting wire creates unprecedented performance The ability to control nanoscale imperfections in superconducting wires results in materials with unparalleled and customized performance, according to a new study from the Department of Energy’s Oak Ridge National Laboratory. Applications for superconducting wires, which carry electricity without resistance when cooled to a critical temperature, include underground transmission cables, transformers and large-scale motors and generators. But these applications require wires to operate under different temperature and magnetic field regimes. A team led by ORNL’s Amit Goyal demonstrated that superconducting wires can be tuned to match different operating conditions by introducing small amounts of non-superconducting material that influences how the overall material behaves. Manipulating these nanoscale columns — also known as defects — allows researchers to exert control over the forces that regulate the wires’ superconducting performance. kurzweilai.net

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