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My understanding is that hand paintings like this fall out fairly naturally- after collecting and grinding the iron oxide for paint (there's a great but now una
by dekhn 2y ago
My understanding is that hand paintings like this fall out fairly naturally- after collecting and grinding the iron oxide for paint (there's a great but now unavailable Google+ post by Yonatan Zunger that explains why barns are red for the same reason: supernovas), you want to use some sort of mask or template, and a hand is pretty much the most available thing for early societies.
- wayeq 2y agoah Google+, speaking of archeology..
- dekhn 2y agoFortunately, Yonatan (who was in fact the main engineer working on Google+) reposted it to Medium: https://medium.com/@yonatanzunger/how-the-price-of-paint-is-set-in-the-hearts-of-dying-stars-c33e520186a8 https://medium.com/@yonatanzunger/how-the-price-of-paint-is-... After he wrote it I pointed out most historical barns in many parts of the US are white, using whitewash (https://en.wikipedia.org/wiki/Whitewash https://en.wikipedia.org/wiki/Whitewash) which doesn't really change the conclusion of the article, which itself is a masterclass in explaining the root cause of metallicity in the universe.