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Monday, November 23, 2009 |
Monday, November 23, 2009 |
Photo: Magnetic Trains, Cheap Power Brought to You by Superwires?A recent breakthrough in high temperature superconductors could make futuristic technology such as maglev trains and ultra-efficient power grids more widespread. Photograph © James Leynse/Corbis
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ADVERTISEMENTNATIONAL GEOGRAPHIC'S PHOTO OF THE DAY |
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