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Solar 'concentrators' focus on efficiency

by ZDNet Author  |  July 20, 2006 2:45pm PDT  |  Image 1 of 4

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Practical instruments heliotube
Practical Instruments is developing a "heliotube" designed to fit into traditional solar panels. The tubes follow the sun during the course of the day and concentrate the sun's light to draw more electricity from the solar cells.

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