Top 10 Tech Stories This Week: DIY solar lawn mower, Pinterest and the cloud, hydropower for kids and more!

How to Build a Solar-Powered Lawn Mower

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solar power lawn mower diy how make

credit: Aaron Tanner

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If you're not ready to convert your grassy half acre into a working farm, this DIY project to make a solar-powered lawn mower will help you keep things a little greener.