American Association of Physics Teachers
Com Padre Digital Library: Open Source Physics: Minkowski Diagram Model
Simulation examining simultaneity and causality in special relativity by manipulating the space and time coordinates of one or two events.
Encyclopedia of Earth
Encyclopedia of Earth: Physics & Chemistry: Mass
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.
American Association of Physics Teachers
Com Padre Digital Library: Open Source Physics: Special Relativity on Rotated Graph Paper Model
A representation of Minkowski spacetime diagrams using graph paper that is rotated, showing the world lines of three stationary observers with light clocks.
Texas Education Agency
Texas Gateway: Simple Harmonic Motion: A Special Periodic Motion
By the end of this section, you will be able to describe a simple harmonic oscillator and relate physical characteristics of a vibrating system to aspects of simple harmonic motion and any resulting waves.
Other
Uc Riverside: Usenet Relativity Faq
A physics usenet listing of frequently asked questions relating to relativity, answered by a number of scientists. Administrivia and Reference, Speed of Light, Special Relativity, General Relativity and Cosmology, Black Holes. Loads of...
Other
Particles, Special Relativity and Quantum Mechanics
Quantum physics, despite its inherent weirdness, is thus far the best model physicists have for explaining the universe. This site gives a great overview of the principles of quantum mechanics and gives scenarios to help the reader...
University of Toronto (Canada)
Harrison/special Theory of Relativity
This page provides an incredibly detailed description of Albert Einstein's Special Theory of Relativity. Definitely an excellent website with great pictures and examples!
Massachusetts Institute of Technology
Mit: Open Course Ware: Courses: Physics: Introduction to Special Relativity
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,...
American Association of Physics Teachers
Com Padre Digital Library: Open Source Physics: Relativity Metric Program
Graphical visualization of how the relative motion of two events affects their spatial and temporal separation in special relativity.
American Association of Physics Teachers
Com Padre Digital Library: Open Source Physics: Ejs Einstein's Train and Tunnel Model
A simulation of a well-known special relativity experiment of Einstein's, involving a train and a tunnel. Velocity and tunnel length can be altered to observe the effects.
American Association of Physics Teachers
Com Padre Digital Library: Open Source Physics: Simultaneity Spacetime Diagram
Manipulate variables in order to observe the effects of relative motion on events such as an explosion and the time at which its light signal reaches a destination.
Massachusetts Institute of Technology
Mit: Open Course Ware: Courses: Physics: String Theory for Undergraduates
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...
American Association of Physics Teachers
Com Padre Digital Library: Open Source Physics: Ejs Simultaneity Model
A model for examining the simultaneity of two events where the relative velocity and the wave source, either light or sound, can be manipulated.
Georgia State University
Georgia State University: Hyper Physics: Special & General Relativity
This site from the Georgia State University provides an interesting chart form of the ideas of relativity. Column 1 - Idea, Column 2 - Experiment. Each item is linked to its own page of explanation, which is well done. A nice type of...
American Association of Physics Teachers
Com Padre Digital Library: Open Source Physics: Simultaneous Events Program
Simulation showing how relative motion affects event order in special relativity. Manipulate the relative speed of two simultaneous events and observe the results.
Cosmo Learning
Cosmo Learning: Fundamentals of Physics
A collection of video lectures from a fundamentals of physics course taught at Yale University. The course is an introduction to physics and discusses Newtonian mechanics, special relativity, gravity, thermodynamics, and waves. Course...
Massachusetts Institute of Technology
Mit: Open Course Ware: Exploring Black Holes: General Relativity and Astrophysics
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.
Libre Text
Libre Texts: Physics: A Geometrical Theory of Spacetime
Understand the details of Einstein's relativity with the assistance of this detailed resource.
Georgia State University
Georgia State University: Hyper Physics: Michelson Morley Experiment
At this site from the Georgia State University is where the proof all starts. One must understand this experiment to have any confidence in relativity. Here's the experimental setup and a summary of the data.
University of Illinois
University of Illinois Urbana Champaign: The Physics of Dance
A scholarly examination of the physics of dance, this reads like the notes of a lecture, so requires some intense reading. It presents a glossary of physics vocabulary, particularly as terms (e.g., torque, static balance) relate to dance...
American Association of Physics Teachers
Com Padre Digital Library: Open Source Physics: Twin Paradox Program
This model permits manipulation of variables in order to observe the effects of time dilation on twin objects, one moving and one not, as shown in a spacetime diagram.
Other
Uc Riverside: Twin Paradox
To make sense of this, you have to first see the Twin Paradox: Introduction, which is the special relativity version and is linked to this page. This general relativity explanation views the paradox from a gravitational point of view.
Georgia State University
Georgia State University: Hyper Physics: Relativistic Momentum
A clear (as these things go) presentation of the calculation of relativistic momentum. Given with a handy calculator that even calculates the % error. The site goes on to Momentum of a Photon, and to Relativistic Energy in Terms of...
Georgia State University
Georgia State University: Hyper Physics: Relativistic Energy
A mathematically understandable presentation of relativistic energy. Parts include Relativistic Energy, Rest Mass Energy, Conservation of Energy, Pair Production, Relativistic Kinetic Energy, and even Kinetic Energy. A couple of...