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1. Robert McNees (mcnees@mastodon.social)'s status on Tuesday, 26-Sep-2023 16:15:06 UTC Robert McNees

   in reply to

   Having fixed kinematics so that it reflects Nature rather than our intuition, Einstein moves on to electrodynamics.

   He works out the transformation of Maxwell’s laws, and derives (among other results) the special relativistic form of the Doppler shift.

   Unlike sound waves, where the source or listener might be moving relative to the medium, the special relativistic Doppler shift depends only on the relative motion.