Einstein’s famous three miraculous results plucked from the blue sky involve a fourth.
The complete list reads:
The new fourth point implies that the speed of light c remains a global constant in the equivalence principle (as axiomatically assumed from the outset).
The added new point (4) remained overlooked for more than a century. Therefore, a re-scaled “global-c version of general relativity” is waiting to be written down.
January 12, 2019