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   sci.physics.research      Current physics research. (Moderated)      17,516 messages   

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   Message 15,847 of 17,516   
   Poutnik to All   
   Re: Newton vs. Einstein   
   23 Sep 17 12:55:57   
   
   From: poutnik@privacy.net   
      
   Dne 23/09/2017 v 07:10 Gerry Quinn napsal(a):   
   > In article , poutnik@privacy.net says...   
   >>   
   >>>   
   >> It can be otherwise.   
   >>   
   >> IF Einstein used space and time the same way as Newton,   
   >> Newton would be right and Einstein wrong.   
   >>   
   >> IF Newton used space and time the same way as Einstein,   
   >> Newton would be wrong and Einstein right.   
   >>   
   >> But as both used space and time differently,   
   >> both are right within definitions and assumptions of their theories.   
   >   
   >   
   > This is it, essentially.  There are some differences in the theories   
   > themselves, i.e. the exact predictions of gravitational effects   
   > (famously, the precession of the perihelion of Mercury is in accordance   
   > with Einstein's rather than Newton's theory) - but in principle it's   
   > possible to describe an identical theory in either a geometric or a   
   > force-based model.   
      
   I would not be so sure,   
   if force model could properly describe all GR effects,   
   like e.g. gravitational time dilation,   
   or all consequencies of space-time curvature.   
      
   --   
   Poutnik ( The Pilgrim, Der Wanderer )   
      
   A wise man guards words he says,   
   as they say about him more,   
   than he says about the subject.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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