In The Optimist Daily we’ve written before about solar cells that have been integrated in windows. But could they serve as walls? Well, yes. CSEM a Swiss non-profit company, made them. They’re white, but they can come in every color you like. (White keeps the cells cooler, boosting efficiency.) And the odd bit is: You don’t really notice it when you look at the walls.
Solar walls: the next dimension in renewable energy
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