Minimal architecture for human journeys to Mars.

Explorations like this could work, as long as supplies are being sent to the landing site also. So far, no one is willing to send supplies for such missions. That is the biggest hurdle.
 
I like the Affordability Sanity Check! We need this in Traveller.

The article really shows space exploration is severely constrained to Earth orbit without a major breakthrough in drive technology. As big a deal Jump is, the gravitic Maneuver drive is what sends a civilization onto the road to the stars with the ability to easily and cheaply explore and exploit systems themselves.
 
Back
Top