- cross-posted to:
- technology@lemmy.world
- cross-posted to:
- technology@lemmy.world
Sharing this here because it looks applicable to solarpunk
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- using Roman concrete as a starting point instead of modern concrete
- replacing a portion of the sand with coffee grounds (this article)
- replacing a portion of the cement with biochar
- using lime plaster for rendering and lime paint for finishing
each one an incremental change, but “a journey of a thousand miles begins with a single step”
Is that the portion that has the pig blood in it?
are you referring to Suffolk pink?
No towards pig blood and animal fat being a part of the roman concrete which is actually superior to our modern variant.
I considered the blood requirement to be the reason why we aren’t using it now so if we can substitute it by sm else while maintaining most of its strength.
Suffolk pink is TIL for me, thanks. Seems body fluids really where an everyday resource for all kinds of things.