Einsteinean Relativity

and SpaceTime Coordinates

Einstein's postulate of Special Relativity:

All the laws of Physics are the same for all observers moving with consant relative velocity.

An important corollary:

All observers in inertial frames measure the same value for the speed of light (in vacuum),

c = 3.00 x 10⁸ m/s

What is a reference frame?

Synchrosize all the clocks.

Historical Background			Simultaneity
Return to Ch 27, Special Relativity

(c) Doug Davis, 2002; all rights reserved