[ExI] structural scale dependence, was: RE: IQ and beauty

[Dan TheBookMan]

On Oct 21, 2558 BE, at 8:59 AM, spike <spike66 at att.net> wrote:
> It appears our future in space is dependent upon getting launch costs down because the old LOX/kerosene and LOX/H2 stages will not advance much.  They were fairly mature fifty years ago.  

But inefficiently implemented, no? I still believe convention rockets can be done much cheaper. And the rest should almost certainly involve in situ resources.

Regards,

Dan
  Sample my Kindle books via:
http://www.amazon.com/Dan-Ust/e/B00J6HPX8M/
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.extropy.org/pipermail/extropy-chat/attachments/20151021/51f585bd/attachment.html>