/sci/ - Science & Math

> Rockets are expensive
> Correct
> Because of materials and fuels
> Yes
> So I have a solution
> You're going to use a more efficient fuel and less materials?
> We're going to use the same materials and fuels.
> wha-
> and keep a bunch of fuel in the tank as it comes hurling back to earth
> uh-
> and then use that fuel to make the rocket land!
> To save costs on materials?
> Yes
> by using less fuel for take off because you need some of it to land and also get new fuel every time which is 90% of the cost of materials anyway?
> Yep. We're going to Mars on these.