Used coffee grounds were charred at 350 degrees Celsius until they became a charcoal-like biochar. That material replaced 15 percent of the sand by volume in a concrete mix, and the resulting concrete had 29.3 percent greater compressive strength than the control mix.
scienceblog.com
Researchers discovered that waste from your morning brew could revolutionize construction materials, making concrete dramatically stronger while solving a global disposal crisis.
  • Aeao@lemmy.world
    3·
    23 hours ago

    Should I trust BBC or a random dude from the internet? It’s a hard choice.

    • sartalon@lemmy.world
      2·
      15 hours ago

      I don’t give a shit if you trust me or not.

      You shouldn’t depend on either of us. If it’s important to you, do your own fuckin research.

      Someone shows up that disagrees and your like, “I don’t know who to believe!”

      FFS, you are part of the problem. Grow a fucking spine.

      • Aeao@lemmy.world
        1·
        11 hours ago

        Yeah im part of the sand problem. Lol

        I’m going to trust the bbc on this one sluggo.