• FrogPrincess@lemmy.ml
    link
    fedilink
    English
    arrow-up
    0
    ·
    2 months ago

    The problem with an O’Neil Cylinder is bringing up enough processed material to build one.

    One possible solution is a moon base. The moon is full of titanium and iron.

    And then you could launch the stuff out of a weaker gravity well with no air resistance.