Top 10 Tech Stories This Week: Tweeting water robots, viruses powering gadgets, eye implants for the blind and more!

Top 10 In Tech

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credit: TreeHugger

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This week we have 15 cool and odd concepts and solutions for the global water crisis, a photovoltaic implant that can help blind people see, a computer that grows wheat grass using waste heat, teens running a recycling business and more!

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