• LillyPip@lemmy.ca
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    21 days ago

    Human waste products I can understand. But how many humans would you need to mulch to get enough blood for a building project? That’s one of the main fluids we usually want to stay inside our bodies.

    • squid_slime@lemm.ee
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      21 days ago

      We can donate so much a month so a haul to Mars would take years. Also these expedition may get larger with crew capacity.

      Its early days yet and this is just one method there will be a dozen more by the time we actually start traversing distant planets.