video 1.0 Vimeo http://vimeo.com/ Geopolymer Institute http://vimeo.com/geopolymer 0 <object width="504" height="372"><param name="allowfullscreen" value="true" /><param name="allowscriptaccess" value="always" /><param name="movie" value="http://vimeo.com/moogaloop.swf?clip_id=1657432&server=vimeo.com&show_title=1&show_byline=1&show_portrait=1&color=00ADEF&fullscreen=1" /><embed src="http://vimeo.com/moogaloop.swf?clip_id=1657432&server=vimeo.com&show_title=1&show_byline=1&show_portrait=1&color=00ADEF&fullscreen=1" type="application/x-shockwave-flash" allowfullscreen="true" allowscriptaccess="always" width="504" height="372"></embed></object> 504 372 284 Are the pyramids made out of concrete, an artificial re-agglomerated limestone? Joseph Davidovits and the Geopolymer Institute crew shows that only few people is able to rapidly and easily produce several tons of pyramid stone blocks. Learn more about this theory: http://www.geopolymer.org/category/archaeology/pyramids/ http://images.vimeo.com/12/96/25/129625128/129625128_200x150.jpg 200 150 1657432