R E L A T I V I T Y   T R A I L

   Special Relativity in absolute terms ..

   .. reveals 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.
     I manufacture the books myself in small quantities.  When I decide 
     to quit making 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

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  The back cover of Relativity Trail :

   © 2008, 2021, 2024 relativitytrail.com
   Roger Luebeck

   Updated 05/16/2026