SciShow GOT IT WRONG! Reply to The "Lost" Recipe for Damascus Steel, Feat, IPostSwords

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SciShow's recent video on Damascus steel gets a lot of fact wrong, and sometimes directly misrepresents the past, and this video is a collaborative effort in setting the record straight, with the help of IPostSwords:
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SciShow's video on Damascus steel: https://www.youtube.com/watch?v=k__xX9VJ2VQ

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Sources:
1998 foundational paper, also contains the measures of P and S levels in antiques: https://www.tms.org/pubs/journals/JOM/9809/Verhoeven-9809.html
Ethnographic accounts (Massalski, Coomaraswamys, Zosimos): https://www.academia.edu/34934336/Crucible_Steel_in_Central_Asia_Production_Use_and_Origins
Modern reproduction technique of crucible steel in the Persian style: https://www.researchgate.net/publication/274113336_Reproducing_crucible_steel_A_practical_guide_and_a_comparative_analysis_to_persian_manuscripts
The oldest crucible steel ever found, 6th to 3rd century BC: https://onlinelibrary.wiley.com/doi/abs/10.1111/arcm.12503
2018 Paper that details how solidification structures form and how they determine cementite raft formation and spacing: https://link.springer.com/article/10.1007/s11837-018-2915-z
The Technology of Ancient and Medieval Directly Reduced Phosphoric Iron: https://bradscholars.brad.ac.uk/handle/10454/5511
From the Soil to the Iron Product - the Technology of Medieval Iron Smelting: https://exarc.net/issue-2014-2/at/soil-iron-product-technology-medieval-iron-smelting
Mike Loads documentary on Wootz Damascus: https://www.youtube.com/watch?v=OP8PCkcBZU4&t
From Bloomery Furnace to Blast Furnace: http://www.diva-portal.org/smash/get/diva2:1332148/FULLTEXT02
Making Steel in the middle ages: http://caidwiki.org/images/2017_Topic_Paper_Making_Steel.pdf

Extra sources online links unavailable:
Early papers by Sherby and Wadsworth that helped pave the way for the field of research:
-Oleg D. Sherby: "Damascus Steel Rediscovered?" Trans. ISIJ, 19(7)1979 p. 381--390. 1980
-J. Wadsworth and OD. Sherby, “On the Bulat - Damascus Steels Revisited”, Progress in Materials Science. 25 1980 p. 35 - 68 1983
-Oleg D. Sherby and Jeffrey Wadsworth: "Damascus Steels --- Myths, Magic and Metallurgy", The Stanford Engineer, Fall/Winter 1983-84, p. 27 - 37.
-J. Wadsworth and O.D. Sherby, "Damascus Steel Making", Science , 216 1983, p. 328-330. 1985
-Oleg D. Sherby, T. Oyama, Kum D. M., B. Walser, and J. Wadsworth: "Ultrahigh Carbon Steels". J. Metals, 37(6) 1985 p. 50 - 56.
-Oleg D. Sherby and Jeffrey Wadsworth: "Damascus Steel", Scientific American, 252(2) 1985 p. 112 -120.key