Terry Blanton wrote:
You keep ignoring the fact that with an ECat propulsion system, we can fetch water from comets and nickel from asteroids and get all the stuff we need.
Actually, that is a valid point. When someone asked me about supplies of deuterium, I pointed out there is plenty in the solar system other than earth.
Surely we will reach the solar system resources with something like a space elevator in the next few hundred years.
- Jed
