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[P]lants were supplying a lot of chemicals during antiquity and even during our Middle Ages in Europe. ...If we look... at the results of the burning… - Joseph Davidovits
" "[P]lants were supplying a lot of chemicals during antiquity and even during our Middle Ages in Europe. ...If we look... at the results of the burning of wood or plants, ...we get plenty of SiO<sub>2</sub>... plenty of CaO () in beech, oak, acacia, palm trees. Plenty of alkali (K<sub>2</sub>O) in fern and bulrush... which means I am claiming... [the Egyptians] used the plants and the woods in the manufacture of these ashes... the sources of their chemicals.
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About Joseph Davidovits
(born 23 March 1935) is a French materials scientist known for the invention of chemistry. He posited that the majority of structural blocks of the are not carved stone but a form of limestone or man-made stone. He holds the .
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Additional quotes by Joseph Davidovits
[F]or the god it is different. "A mountain of mud began to rise up from the shadow's waters, the mountain of mud swelled up, casting out bubbles and took the form of the first god Amun. And Amun pulled out (carved) the limbs and all the parts of his body, and these parts of the body of Amum were transformed into men, animals, and all creation..." This is different...
[W]e can interpret... two elements... of the industrial activities. First, we may suppose that there had been exhaustion in the Sinai mines. Some minerals are used to make artificial stones, and we have texts... that show... the Sinai mines were very heavily exploited, and afterwards, no longer. Or the manufacture or lime-ash generated an ecological disaster. This is the lime... in the reaction... [with] the () [in water] to... produce the caustic soda that will start the ic reaction.
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So it started with the first pyramid in small bricks. They mastered their technology, improved the dimension of the blocks and they ended with the first pyramid of that is the rhomboidal, where the blocks are still... transported to the site, but... are becoming too big, and for the of Sneferu... they are cast, they are pound[ed] on site. We then arrive to the Giza Plateau where this technology was used for the Cheops, Chephren and Mykerinos pyramids.
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