From: PointedEars@web.de   
      
   Ross Finlayson wrote:   
   > Relativity theory is very relatable since it accommodates a model   
   > of constant velocities.   
      
   Constant velocities are NOT what the _theories_ of relativity are about.   
   That is just a simplifying assumption to make the explanation easier   
   *for beginners and laypeople*.   
      
   Most importantly, special relativity *can* describe accelerated motion:   
      
      
      
   And general relativity, experimentally very well confirmed, too, is based on   
   the Einstein equivalence principle according to which constant acceleration   
   is locally (in the assumed absence of tidal forces) indistinguishable from   
   gravitation.   
      
   Also, the expansion of our universe is thought to be accelerated due to a   
   phenomenon called "Dark Energy".   
      
   > Yet, it's always so that there's never not a model of absolute motion,   
      
   "never not"? :-D  And there *is* no absolute motion: all motion is relative   
   to some object of reference.  For example, you might be sitting comfortably   
   in your chair right now, and think that you are at rest, but you are moving   
   at up to 464 m/s around the axis of rotation of Earth, and at ca. 29.8 km/s   
   around the Sun.  You would be only at rest *relative to your chair*.   
      
   > as of _rest_ together and _motion_ together, of _state_ and: _change_.   
      
   You don't know what you are babbling about.   
      
   > The L-principle for Light [more pseudoscientific word sala]   
      
   There is no such thing except in your imagination.   
      
   --   
   PointedEars   
      
   Twitter: @PointedEars2   
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    * Origin: you cannot sedate... all the things you hate (1:229/2)