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   rec.arts.sf.science      Real and speculative aspects of SF scien      45,986 messages   

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   Message 45,490 of 45,986   
   Fred J. McCall to droleary@2017usenet1.subsume.com   
   Re: Towards routine, reusable space laun   
   13 Jun 18 14:35:42   
   
   XPost: sci.space.policy, sci.physics, sci.astro   
   From: fjmccall@gmail.com   
      
   Doc O'Leary   wrote on Wed, 13 Jun   
   2018 12:57:19 -0000 (UTC):   
      
   >For your reference, records indicate that   
   >Jeff Findley  wrote:   
   >   
   >> In article , droleary@   
   >> 2017usenet1.subsume.com says...   
   >> >   
   >> > For your reference, records indicate that   
   >> > Jeff Findley  wrote:   
   >> >   
   >> > > Sure, sure, Star Trek style transporters with infinite range.  I'll get   
   >> > > right on that.   
   >> >   
   >> > No, you won?t.  But you apparently *will* use it as a straw man to avoid   
   >> > actually addressing the likelihood that new technologies developed in   
   >> > the future will change the economies of space launches.  Hell, that?s   
   >> > essentially what SpaceX is demonstrating today.   
   >>   
   >> Bullshit.  SpaceX is not demonstrating any new technologies.  They've   
   >> combined existing technologies in novel ways to solve the problems   
   >> involved in building Merlin engines and Falcon launch vehicles.  There   
   >> is zero new tech in them.  If you believe differently, name a new   
   >> technology they're using in their engines, launch vehicles, Dragon, and   
   >> etc.   
   >   
   >  Of *course* there’s no “new technology” in *anything* that’s   
   >in the world today.  Your engineering mindset has you in a motivated   
   >reasoning spiral.  The fact remains that, over the course of time,   
   >new technologies have been developed that have made their way into   
   >space programs.  SpaceX is taking advantage of some of those   
   >technologies today.  It is a safe bet that such innovations will occur   
   >in the future, and somebody will take advantage of them.   
   >   
      
   And it's an even safer bet that none of those 'new technologies' are   
   going to replace "throwing stuff aft to move forward".  A space   
   elevator on Earth requires not 'new technology', but 'new physics'.   
      
      
   --   
   "Some people get lost in thought because it's such unfamiliar   
    territory."   
                                         --G. Behn   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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