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Physics

Spacetime travel pages

Onlinearticles, images and movies presenting visualizations of relativity theory

Einstein@Home

Interested in joining the hunt for gravitational waves? Thanks to the Einstein@Home project, you can  if you have a fast internet connection, you can donate your personal computer's idle time to help analyze the data from modern gravitational wave detectors.

Einstein Light: A brief illumination of relativity

Multimedia presentation of the basics of special relativity  includes many helpful animations; in the advanced modules, some formulae are used, as well

John Baez' General Relativity Tutorial

Easygoing introduction to general relativity  including formulae and mathematical concepts

Pavillion of Science and Industry

This website from the National Center for Supercomputing Applications contains two great expositions about relativistic physics: Spacetime wrinkles (about gravitational waves and numerical relativity) and Cosmos in a computer about cosmological simulations.

Imagine the Universe!

Website provided by NASA's Goddard Space Flight Center, with lots of information about astrophysics, including topics such as black holes and cosmology.

Andrew Hamilton's Homepage

Includes an online introduction to relativity and lots of visualizations of relativistic effects

The official String Theory Website

Web pages about the basic concepts of superstring theory, one of the candidates for a unified theory of general relativity and quantum theory (and much more)

Open Directory: Relativity

Comprehensive collection of relativity links  from popular science pages to resources for physics students
