nice piece of sci-fi here. we are probably already close to the maximum number of humans it is optimal to maintain in a single space craft at any one time - an

nice piece of sci-fi here. we are probably already close to the maximum number of humans it is optimal to maintain in a single space craft at any one time - any more and the cost of maintaining life will outweigh the value additional members might bring to the project. I can imagine a ship full of automata though, maybe with a few humans around just to 'keep our hand in'