From: poraty149@gmail.com   
      
   On Saturday, August 11, 2018 at 6:43:41 PM UTC+3, Gregor Scholten wrote:   
   > Y Porat wrote:   
   >   
   > > so we see that   
   > > for gravity we need 2 **active physical entities*   
   >   
   > Which entities do you mean?   
   >   
   >   
   > > and mass becomes  an  ** active physical entity   
   > > NOT A PASSIVE PHYSICAL ENTITY ANY MORE ??!!   
   > > ie   
   > > producing forces !....   
   >   
   > Already Newton considered mass as producing gravitational forces, so in   
   > that sense, mass has always been considered as "active".   
   >   
   >   
   > > so how'suddenly ' active ??!!    by what ??   
   > > while 'we....'see' in mass (until now)   
   > > just a passive physical  entity ??!!   
   >   
   > Following you definition of "active", we have never seen a passive   
   > entity in mass.   
   -   
   ==================   
   if so   
   just give us an **explanation**:   
      
   HOW CAM A MASS*-( only by itself!!) - ** ACT **   
      
   in a distant location from itself ???   
   ===   
   TIA   
   Y.P   
   ====================================   
      
   [[Mod. note -- In classical physics this is precisely why we introduce   
   the concept of /field/, e.g., the (Newtonian) gravitational field.   
      
   In general relativity spacetime itself is the medium in which the   
   gravitational interaction propagates.   
   -- jt]]   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)