• silence7@slrpnk.netOPM
    link
    fedilink
    arrow-up
    10
    ·
    4 days ago

    You can use a different chemistry to make a hard substance. There are a ton of options which look good in tests, and pretty much nobody uses them.

    • blazera@lemmy.world
      link
      fedilink
      English
      arrow-up
      1
      arrow-down
      3
      ·
      4 days ago

      You are reaching far too deep to try and imagine this somehow turning out alright for the climate. The hundreds of billions are budgeted already. Highway construction is happening. Conventional concrete is being used. Truck and SUV sales are increasing to fill the new highways.