Velocity is delta-length divided by delta-time. The length of a meter
depends upon the velocity and orientation of the meter stick. The
length of a second depends upon the velocity of the clock. Are we sure
that the velocity of light is a *universal* constant or is it just a
conceptual stake in the ground to try to keep everything in the
universe from being relative to something else?
--
73, Cecil, w5dxp.com