| it's surely debatable, but my thought was that sewing seems to have predated weaving (of cloth), nålbinding, especially knit and crochet, and probably even spinning, and it was sewing that enabled the humans to live outside the tropics sewing without spinning or weaving still gives you tents and jackets (of hide or felt, at least). i think weaving without sewing only gives you floor mats. spinning without sewing gives you rope, which makes longer fibers than natural sinews, and thus lassos and lashing, but i think these are less transformative technologies than tents and jackets i think the humans probably could have developed the fission chain reaction without spinning but probably not without sewing https://en.wikipedia.org/wiki/Sewing_needle#Prehistoric_sewi... sewing: 50–61 kya or possibly https://en.wikipedia.org/wiki/History_of_clothing_and_textil... 170 kya https://en.wikipedia.org/wiki/Hand_spinning#History spinning: 41–52 kya https://en.wikipedia.org/wiki/Weaving#Archaeology weaving: 27 kya (cloth doesn't survive but its clay impressions do) https://en.wikipedia.org/wiki/N%C3%A5lebinding#History nålbinding: 8 kya https://en.wikipedia.org/wiki/History_of_knitting knitting: .9 kya https://en.wikipedia.org/wiki/Crochet#Origins crochet: .2 kya |