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Creating a knife using iron bacteria
samedi 2 juillet 2022, 14:49 , par BoingBoing
In this Primitive Technology video, John Plant processes iron bacteria into prills and then cast them in a clay mold to create a crude but effective iron blade. It's a long, painstaking process (e.g. 10 hours of sharpening just to get a usable edge!), — Read the rest
https://boingboing.net/2022/07/02/creating-a-knife-using-iron-bacteria.html
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56 sources (32 en français)
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