> Isn’t this impossible? Doesn’t entropy preclude perfect ongoing repair? Yes, but we don't actually need "perfect". Also: you can counter a lot of entropy fro

> Isn’t this impossible? Doesn’t entropy preclude perfect ongoing repair? Yes, but we don't actually need "perfect". Also: you can counter a lot of entropy from the energy supply of those engines. Counter-but: we aren't even close to good enough for what we do need.