Robot keeps solar panels clean and efficient cost-effectively

03/20/2013 |

Solar panels can lose as much as a third of their efficiency if they're dirty, but a new robotic device is designed to keep them clean in a cost-effective way. The Solarbrush, the product of aspiring German engineer Ridha Azaiz, efficiently brushes away sand and dust, improving on previous methods that used vacuuming and detergents.

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