Hop aboard the train of thought. A remote learning resource has learners consider thought experiments to consider scientific theories. It provides two examples, one on orbiting bodies and the other on the speed of light, for them to work...

Let Einstein's work shine the way. Pupils read about Einstein's iconic equation, E=mc^2, using a remote learning resource and see how ideas from other scientists such as Kepner, Curie, Galilei, and Newton led to its discovery. They...

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.

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.

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

Click "Relativity Q & A". Over 200 questions and answers dealing with relativity (special and general), answered by NASA scientist Dr. Sten Odenwald. Answers are generally one paragraph, very clear and coherent.