R E L A T I V I T Y   T R A I L
      book by Roger Luebeck at the University of Minnesota campus bookstore


   Special Relativity in absolute terms ..

   .. explains what is transpiring behind 
   the scenes of Einstein's treatment.

   Relativity Trail diagrams Einstein's clock sychronization in
   absolute terms, explains the time-keeping differential, and
   illuminates symmetrical assessments across inertial frames.
   
   It's completely consistent with Einstein's relativity,
   diagramming and explaining it in absolute terms.

   The clock paradox (twins paradox) of special relativity 
   cannot be resolved without acknowledging an actual
   hierarchy of clock rates dependent on an actual hierarchy
   of inertial motion.  And this we do in Relativity Trail.



     Relativity Trail can be purchased at the U of M campus bookstore.
     The books are printed in short runs.  When I decide to quit
     offering physical copies of the book, I'll post the pdf file 
     of the book for free download.
 

      Symmetry of measure - Journal article preprint
	
      Twins paradox animation - and simple equation	

      Citation and annotation for Relativity Trail
	
      Computing GR and SR time-keeping - with discussion


 
     


   Contact

   Author's notes (errata), editions 1 - 5

   sitemap

  The back cover of Relativity Trail :

    


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   relativitytrail.com

   Updated 06/12/2026



  
  author    march_16_2026
  roger.luebeck@relativitytrail.com