- cross-posted to:
- solarpunk@slrpnk.net
- technology@lemmit.online
- cross-posted to:
- solarpunk@slrpnk.net
- technology@lemmit.online
Scientists strengthen concrete by 30 percent with used coffee grounds::Researchers in Australia have found a new use for old coffee grounds: concrete doping!.
This is one of those things I’d never think to try, but am still surprised that no one else did decades ago.