From: fortunati.luigi@gmail.com   
      
   Richard Livingston il 18/12/2023 17:07:15 ha scritto:   
   > In general relativity gravity can manifest in ways other than a simple   
   > attractive force.  The gravitational red shift is one.  Actually, what we   
   > regard as a "force" is due to the variation in this red shift with radial   
   > position.   
      
   Gravitational redshift is related to radial direction.   
   Direction is a property of vectors and, therefore, gravity appears in   
   vector form also in General Relativity.   
   If it were a scalar it would have no connection to a specific   
   direction.   
      
   Luigi Fortunati   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)