[Eupalinos of Megara appears out of a time portal from ancient Ionia] Wow, you guys must be really good at digging tunnels by now, right?

  • @[email protected]
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    1710 months ago

    the chemical sludge was filled not only with the commonplace byproducts of sand, silt, and water, but also accelerants used to set the grout to build the tunnels.

    Why would a grout accelerant burn people?

      • admiralteal
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        10 months ago

        Cements and other pozzalanic materials also tend to be very alkaline. Industrial dumping of waste concrete can create a huge environmental hazard.