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  • maptoOPtoBicycling@lemmy.worldReverse traffic pyramid
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    17 days ago

    We would have to make it sustainable eventually, since it’s the only practical way for passengers to travel between americas/australia/afroeurasia. I guess something hydrogen-based is the most likely candidate for reducing the carbon impact.

    Hoovering and hydrofoils have been under-explored, but yes, speed is necessary for long-distance travel.