Some subtleties in the concept of simultaneity are avoided with a presentation of relativity which emphasizes the importance of the inertial frames as a privileged set for reconciling transit times of signals traversing closed curves in opposite senses.

This content is only available via PDF.
AAPT members receive access to the American Journal of Physics and The Physics Teacher as a member benefit. To learn more about this member benefit and becoming an AAPT member, visit the Joining AAPT page.