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Why are barns in the United States often red? (i.imgur.com)

submitted 1 year ago by bayport@yall.theatl.social to c/asklemmy@lemmy.ml

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[–] Umbrias@beehaw.org 3 points 1 year ago (1 children)

Blood is also red due to iron for the sane reasons rust is red. Rust isn't very vibrant on metal for other reasons, I'd assume mostly because it's mixed with something not clear.

[–] Silentiea@lemm.ee 1 points 1 year ago

I'm not sure if this is why, bit the color depends on how oxidized each atom of iron becomes, so if you have a mix of different oxidation levels, you would also have a mix of the colors