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New green inventions: 15 cutting-edge items

By: Bryan Nelson on March 23, 2010, 11:15 a.m.
New green inventions: Pixel Qi E-paper displays

Photo: Pixel Qi

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Pixel Qi E-paper displays

Judging by the jump in sales for e-readers like the Amazon Kindle and Sony Reader last year, Pixel Qi displays enter the scene with a lot of momentum. These new e-paper displays can show video and color, but use about one-half to one-quarter of the power consumed by traditional LCD screens.