The radiation problem can probably be licked somehow but the idea of an interplanetary/interstellar empire is a fundamentally materialist, utopian fantasy and it's not going to happen to any significant degree. Exhibit A: the behavior of materialist utopians like Elon.
The radiation problem can probably be licked somehow but the idea of an interplanetary/interstellar empire is a fundamentally materialist, utopian fantasy and it's not going to happen to any significant degree. Exhibit A: the behavior of materialist utopians like Elon.