← Back to context Comment by mrweasel 12 hours ago That would be fun on a space craft. Steam power spacecraft, powered by burning mushrooms. 2 comments mrweasel Reply friendzis 10 hours ago Humans become interstellar species.Energy source is still heated water. ethmarks 12 hours ago And the mushrooms would be powered by cosmic radiation...
Humans become interstellar species.
Energy source is still heated water.
And the mushrooms would be powered by cosmic radiation...