Comment by ehnto
We are jumping pretty far ahead for a planet that can barely put two humans up there, but it is a great deal of my scifi dreams in one technology tree so I'll happily watch them try.
We are jumping pretty far ahead for a planet that can barely put two humans up there, but it is a great deal of my scifi dreams in one technology tree so I'll happily watch them try.
The grandfather comment is perhaps mixing up two things:
If launch costs are cheap enough, you can bring aluminum up from earth.
But once your in-space economy is developed enough, you might want to tap the moon or asteroids for resources.