A standard introduction to special relativity where explanations are based on pictures called space...
Spatially compact spacetimes break global Lorentz invariance and define absolute inertial frames of...
Relativists consider it a very important exercise to have students decide how to measure the length...
An introduction to relativity using space-time diagrams.
Here is the formula for adding velocities in special relativity when motion occurs in a single dire...
Lecture notes on Special Relativity, prepared by J. D. Cresser, Department of Physics, Macquarie Un...
Synchronization functions set the mathematical clocks represented by the Lorentz transformation and...
The quaternions are an expansion of complex numbers and show close relations to numerous physically...
An estimate of the speed and distances covered by Santa Claus on Christmas night. The physics is un...
The fundamental equations of special relativity are derived with only high school algebra and toy u...
A multimedia tutorial on Special Relativity. The introductory level takes 10 minutes, but has links...