Joseph Davidovits and the Geopolymer Institute
How the pyramids where built in Egypt
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.
How to analyze pyramid stones
Joseph Davidovits explains how to analyze the pyramid limestones and why geologists see nothing. He demonstrates that a thin section is not the right method to detect artificial stone.
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