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3 Views· 05 April 2022

4 Things We've Forgotten How to Make

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Sources:
https://www.britannica.com/technology/pozzolana
https://www.uh.edu/engines/epi2810.htm
https://unews.utah.edu/roman-concrete/
https://pubs.geoscienceworld.o....rg/msa/ammin/article
https://www.smithsonianmag.com..../history/the-secrets
https://www.britannica.com/tec....hnology/concrete-bui
https://www.britannica.com/top....ic/Pantheon-building

​​https://www.bbc.com/future/art....icle/20210316-the-le
https://uh.edu/engines/epi385.htm
https://library.oapen.org/bits....tream/handle/20.500.

https://www.britannica.com/technology/Greek-fire
https://www.jstor.org/stable/3....106585?origin=crossr
https://www.washingtonexaminer.....com/weekly-standard
https://www.thedrive.com/the-w....ar-zone/32867/fogban

https://www.ldeo.columbia.edu/....edu/eesj/gradpubs/Ge
https://brill.com/view/journal....s/east/17/1/article-
https://pubs.rsc.org/en/conten....t/articlehtml/2007/c

Images:
https://bit.ly/3wRfnlx
https://commons.wikimedia.org/....wiki/File:Vitruvius_
https://commons.wikimedia.org/....wiki/File:20_to_40mm
https://commons.wikimedia.org/....wiki/File:Puzzolane_
https://commons.wikimedia.org/....wiki/File:Pouzzolane
https://bit.ly/3tUXC2E
https://commons.wikimedia.org/wiki/File:AAC_13.jpg
https://commons.wikimedia.org/....wiki/File:Caesarea_C
https://commons.wikimedia.org/....wiki/File:Muslin_tra
https://commons.wikimedia.org/....wiki/File:Woman%27s_
https://commons.wikimedia.org/....wiki/File:Ancient_Mu
https://commons.wikimedia.org/....wiki/File:Renaldis_m
https://commons.wikimedia.org/....wiki/File:Victoria_M
https://commons.wikimedia.org/....wiki/File:DhakaCity1
https://commons.wikimedia.org/....wiki/File:Gossypium_
https://bit.ly/3IVa0nO
https://commons.wikimedia.org/....wiki/File:Muslin_men
https://commons.wikimedia.org/....wiki/File:Greekfire-
https://commons.wikimedia.org/....wiki/File:Hand-sipho
https://commons.wikimedia.org/....wiki/File:Arbalest_f
https://commons.wikimedia.org/....wiki/File:Trident_wa
https://www.flickr.com/photos/kevinpoh/3548617540
https://www.flickr.com/photos/....carolemage/129301370
https://commons.wikimedia.org/....wiki/File:Recreated_
https://commons.wikimedia.org/....wiki/File:Eastern_Ha
https://www.mdpi.com/2073-4352/9/5/273/htm
https://commons.wikimedia.org/....wiki/File:Tripod_cau
https://commons.wikimedia.org/....wiki/File:HKU_MAG_Fu
https://commons.wikimedia.org/....wiki/File:Egyptian_b
https://commons.wikimedia.org/....wiki/File:Western_Ha
https://commons.wikimedia.org/....wiki/File:British_Mu
https://commons.wikimedia.org/....wiki/File:Eastern_Ha
https://commons.wikimedia.org/....wiki/File:British_Mu

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