This page provides an incredibly detailed description of Albert Einstein's Special Theory of Relativity. Definitely an excellent website with great pictures and examples!

A historical approach to special relativity, giving all the events and names in the history of discovery of special relativity. Many links to these individuals.

This page presents the actual text of Albert Einstein's book "Relativity: The Special and General Theory." Just click on the chapter titles to read the text.

Understand what relativity is and what Albert Einstein discovered while studying it. Identify special relativity and general relativity.

Kids learn about the theory of relativity in the science of physics including examples, special vs. general, length contraction, and E=mc2.

This site from Stanford University is on the topic of simultaneity in relativity.

College-level physics course focusing on black holes. Course topics include general relativity, astrophysics, and elements of cosmology . Course features include selected video lectures, lecture notes, assignments, and exams.

Using a question and answer format, this page discusses the question: "Is the Speed of Light Constant?" Discusses some of the history and experiments performed with light and the conclusions drawn from those findings.

Biography of Albert Einstein (1879-1955), one of the most famous physicists of the last century, best known for his theory of relativity.

Online access to portions of Einstein's original papers and manuscripts.