One of the peculiar aspects of Einstein's theory of special relativity is that the length of objects moving at relativistic speeds undergoes a contraction along the dimension of motion. These animations depict this phenomena of length...

In this interactive tutorial students explore special relativity and quantum mechanics. Learn basic tenets of the theory of special relativity and the relationship between mass and energy. Also discover the evidence for the particle...

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 decent explanation of the concept of time as the fourth dimension. The author discusses Einstein's theory of special relativity and the idea of space-time.

Defines inertial and gravitational mass, their scientific history, formulas used in their calculation, the definition of weight, units used for mass, and mass as perceived in the theory of special relativity.

Einstein Light highlights the Theory of Special Relativity and related topics. Learn how Galileo, Maxwell, and Einstein contributed to our knowledge of relativity, electricity, magnetism, and time by watching fun, interactive modules.

This article provides a quick introduction to special relativity.

Understand the details of Einstein's relativity with the assistance of this detailed resource.

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.

College-level electrical physics course highlighting Einstein's Special Theory of Relativity. Course introduces the physics of Lorentz contraction, time dilation, the "twin paradox", and E=mc2. Course features suggested readings,...

A representation of Minkowski spacetime diagrams using graph paper that is rotated, showing the world lines of three stationary observers with light clocks.

[Free Registration/Login may be required to access all resource tools.] Explores Einstein's theory of gravity and the warping of space-time.

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.

This illustrated timeline from the NOVA Web site follows Albert Einstein's life, including 1905, his "Miracle Year," during which he developed his Special Theory of Relativity and the equation, E=mc2.

Albert Einstein publishes his special theory of relativity and his theory on the quantum nature of light, which he identified as both a particle and a wave. With ever new appliances, electricity begins to transform everyday life.

Become a game show contestant in this online activity from A Science Odyssey and ask a series of questions to a panel of mystery scientists, using the answers to determine which scientist is Einstein.

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

Graphical visualization of how the relative motion of two events affects their spatial and temporal separation in special relativity.

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

Simulation examining simultaneity and causality in special relativity by manipulating the space and time coordinates of one or two events.

In this Spanish-language entry, grasp a concrete understanding of a complicated man whose discoveries impacted society more than any other scientist. This site chronicles the life and accomplishments of Albert Einstein. It also studies...

College-level physics course focusing on the string theory. The course develops the aspects of string theory and makes it accessible to students familiar with basic electromagnetism and statistical mechanics. Course features include...

The life and many accomplishments of Albert Einstein are detailed in this article. Includes descriptions of his scientific theories and contributions.