Space and Time in Special Relativity

The special theory of relativity is the result of two postulates:

There are two devices that utilize photons to measure time differences (some kind of clock).

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Author: Fu-Kwun Hwang, 
Dept. of physics,
National Taiwan Normal University

Last modified : More physics related java applets

Thank you Prof. Fred Trexler , for your suggestions to this web page.

Fred Trexler
Professor of Physics ,
Spring Arbor College, MI