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See-Through Windows Make Clean Electricity From Raindrops
(cleantechnica.com)
This is a most excellent place for technology news and articles.
Yeah, the whole article is a bit fishy:
So how would a room actively cool down, when you let only the visible light spectrum inside? Sure it might not get as hot as if you let all light inside, but it will also not get colder.
They subscribe to the theory that less forward acceleration is the same thing as slowing down.
Honestly, if this was all it did I'd want it. Our house is south facing and the front of the house gets very hot in summer. Windows that effectively limited the amount of heat that could come through would help a lot - even if, as you say, it doesn't actively cool
That kind of window has been around for a long time already. Also, let me introduce you to window awnings