Submitted by bigmikemcbeth756 t3_zxspl1 in Futurology
Codydw12 t1_j226w7i wrote
Reply to comment by Fraun_Pollen in I have a question about generational ships. by bigmikemcbeth756
We need stronger metamaterials, life extension and power sources (likely fusion). Not a forever away but I'd guess a century or two.
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