Re: Would you go to Mars on a one-way ticket?
I think the longterm solutions for humans living is space is genetic and/or customized physical modifications to their bones to stop the degradation without need of exercise or gravity. Since besides that I haven't seen anything else that requires earth gravity. Rotating ships could easily get away with say 1/2 or some portion of earth gravity. All the benefits of having a down, while also appearing super strong.
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