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Old 03-02-2010, 03:46 PM   #20
Tyler Micheli
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Join Date: Oct 2009
Location: Colorado
Posts: 35
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Supporting the lack of need for hordes of stone pushing slaves, geopolymer concrete! The same insanely strong stuff that may thwart our bunker busters from crushing Iran.

http://www.wired.com/dangerroom/2009...-the-pyramids/
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