Solar 'Post-it' Panels Make Debut
As an added bonus, the film also blocks a good percentage -- the company claims 90 percent -- of the incoming infrared light. That means it can cool a house that has a lot of window space, or an apartment whose windows don't open, reducing both the dreaded summertime greenhouse effect and the load on the air conditioner. Then there's the ease of installation. All you have to do is stick the film onto the window.
...more : http://news.discovery.com/tech/3m-post-it-solar-111014.html#mkcpgn=fbnws1
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