Top network posts
- 29 Could human civilization live 150 years in a nuclear-powered aircraft carrier colony without resorting to mass killing/ cannibalism?
- 11 Membrane impermeable to $N_2$ but permeable to $CO_2$ and $O_2$?
- 10 Ships suitable to sailing in monster infested fantasy waters
- 5 Electrosynthetic Autotrophs
- 5 Scientifically accurate fuel for a small spaceship
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