Let's try to Understand the Theory of Relativity

Einstein's theory of special relativity includes electricity and magnetism in a simple, logical extension of the relativity of Galileo and Newton. Its conclusions, including time dilation, length contraction, and E=mc2 have changed profoundly our ideas of time and space, matter and energy. Find more at http://www.phys.unsw.edu.au/einsteinlight/ The link will open in a new window.