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Could well be needed. It's not fully understood, but human space travel - even to the surface of relatively nearby Mars - might not even be viable. Aside from the radiation issue after leaving the Earth's magnetosphere, zero gravity changes the body. When astronauts land they're carefully assisted to get out and placed onto soft bedding. From Chris Hadfield's autobiography, merely standing up after coming home from a few weeks/couple months on the ISS was like standing on a bed of needles. It took about 2 weeks to be able to move around again, which makes me wonder how we'll ever get people on the surface of Mars. The Moon is pretty easy in comparison, much lower gravity and not that far away.
The complexities involved, even with solutions, are just too much for current humans. Genetically engineering ourselves could work, though I'm more in favor of just digitizing ourselves ha.
Stick my brain in a jar and give me a mech body and I'd be ballin
I don’t even need the brain.
There's a few problems: