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YouTubeSPIRIT in STONE
Geopolymer in Ancient Egypt - Megalithic Nubs & Scoop Marks Explained
Did the ancient Egyptians, the Inca, and many other ancient civilizations cast their gigantic stone blocks instead of carving them? Using new experiments by Marcell Fóti and the classic geopolymer experiments by Professor Joseph Davidovits, we demonstrate step by step how artificial granite can be produced from water glass, crushed stone, and ...
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