1st time i've seen a cost on producing the anti-matter
I always thought the limiting factor was producing enough anti-matter for cost. These guys say, enough for mars could be made for 250M. If that number is not complete BS, this may indeed be a practical propulsion system. I mean you would think with more development and economies of scale, the cost could be reduced by another factor of 10. With the increase in specific impulse, and subsequent savings in time and mass, it seems like a very good use of money. If we could really get some antimatter factories going, the solar system might just open up to manned exploration. Exciting prospect, if these guys aren't blowing smoke.
Captain, the magfield positronic containment vessel is operating nominally....