Lightlike Event Symmetry Breaking
Spacetime symmetry must be broken to go from the relativistic weak
gravitational force to a classical force for both cause and effect.
Contrast the relativistic geometry of Minkowski spacetime with the geometry of Newtonian absolute space and time.
Minkowski Space 
Geometry 
Newtonian Space and Time 
True, Elegant 
Utility 
Accurate, Practical 

Interval 


Velocity 


Acceleration 




