From: arl_123234@hotmail.com   
      
   On 4/24/19 10:38 AM, pellis wrote:   
      
   > It seems to me that you're coming from a mental model based in Newtonian   
   > ideas and consequently the essential point is eluding you: that gravity   
   > doesn't "exist in" curved space-time, but rather it *is* curved   
   > space-time.   
      
   Hello, and so what we conclude is curved space-time is indistinguishable   
   from gravity.  They're both manifestations of the same phenomenon (some   
   as yet-to-be-discovered property of the cosmos?) Kind of like talking   
   about "matter/mass" and "energy" separately when we know E = MC^2.   
      
   Ignoring for a moment gravity's "origin", I think it still qualifies as   
   a force since it can impart kinetic energy to a mass.  We can observe   
   this behavior directly whereas the curvature of space-time can only be   
   demonstrated AFAIK by indirect means (e.g. gravitational lensing).   
      
   Now if I could somehow construct a device to generate a gravitational   
   field then I would also have the capability to warp space-time at will.   
   And if I could somehow distort space-time I would generate gravity   
   (which might be beneficial within a human-crewed, interstellar-capable   
   spacecraft.)  Thanks for responding.  Sincerely,   
      
   --   
   J. B. Wood	            e-mail: arl_123234@hotmail.com   
      
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