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Environment & Energy

Curmudgeoness

(18,219 posts)

1. How exciting!

Reply to handmade34 (Original post)

Sat Jun 23, 2012, 05:14 PM

Jun 2012

I wish that we would really put money and brains into more of this. Too bad technology like this will never be affordable for me in my lifetime. I have wanted this since I was young.

Click here to purchase valentine hearts!

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Smart windows store sun’s energy [View all] handmade34 Jun 2012 OP

How exciting! Curmudgeoness Jun 2012 #1

I agree about in our lifetimes madokie Jun 2012 #2

Photo grey sun glasses were available in the early 70's FogerRox Jun 2012 #3