Top 10 Tech Stories This Week: DIY solar for Occupiers, 400 million "green" cell phones, learn how to screw, and more!

Top 10 In Tech

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credit: TreeHugger

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This week, we have lots of concepts from chargers to cameras, a 3D printed iPhone set-up that acts as a microscope that shares images, breakthroughs in battery density, and more! Click through to catch up on the top stories.

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