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glatt · 07-27-2009, 02:01 PM

They take sunlight and CO2 and turn it into energy? Amazing!

Wait, isn't that called fire wood?

07-27-2009, 02:01 PM	#2
glatt ™ Join Date: Jul 2003 Location: Arlington, VA Posts: 27,717	They take sunlight and CO2 and turn it into energy? Amazing! Wait, isn't that called fire wood?