Dr. Barsoum's presentation to the Santa Fe Alliance of Science Cafe Series
By Joseph Davidovits's Group, showing how one would cast a geopolymer concrete block
Professor Michel Barsoum and colleagues have found scientific evidence that parts of the Great Pyramids of Giza were built using an early form of concrete, debunking an age old myth that they were built using only cut limestone blocks... (click here to read more)
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