Libre Text
Libre Texts: Physics: Frames of Reference and Newton's Laws
A resource featuring the Principle of Relativity. Discover what develops based on the premise of this principle.
University of Colorado
University of Colorado: Fitzgerald Lorentz Contraction
This page is plenty fascinating and detailed. Done by a space scientist at the University of Colorado, it provides neat animations and not enough text. Explore particularly the Space-Time Wheel.
CK-12 Foundation
Ck 12: Physics: Relativity Study Guide
Review your understanding of relativity with this study guide.
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...
Simon Fraser University
Chem1 Virtual Textbook: Matter and Energy United
Acting as a subtopic of the General Chemistry Virtual Textbook's section on Atoms and the Periodic Table, this site discusses the relation between matter and energy with attention given to Mass-energy, energy, and relativity.
Instituto Latinoamericano de la Comunicacion Educativa
La Ciencia Para Todos: Fisica
In this site you will find several topics from Physics such as materials, steam machines, conservation, the concept of entropy, relativity and gravitation,
American Association of Physics Teachers
Com Padre Digital Library: Open Source Physics: General Relativity Classical
Visual simulation of the Newtonian orbit of an object around a mass includes a graph of the effective potential.
Other
Great Thinkers and Visionaries: Books by Albert Einstein
This site has a comprehensive listing of over 50 books written by Einstein. Each has a link to Amazon, listing availability, cost, short synopsis.
Other
Uc Riverside: Can You See Lorentz Fitzgerald Contraction
A discussion from the University of California of the "reality" of the L-R contraction, approached by a device called the Penrose-Terrell Rotation. Interesting physics; takes plenty of concentration.
Treehut
Suzy's World: Black Holes
Use this site to find out what is a black hole in space and try an experiment.
Mocomi & Anibrain Digital Technologies
Mocomi: Theory of Relativity
Understand what relativity is and what Albert Einstein discovered while studying it. Identify special relativity and general relativity.
American Museum of Natural History
American Museum of Natural History: O Logy: Time Travel Kit
Would you like to travel forward in time? Use this time travel kit to help you think through different ways to experience time travel. Click on the starred words to learn more about the topic.
Scientific American
Scientific American: Einstein's Hot Time
This article, published by Scientific American (September 2002), re-publishes a short paper by Albert Einstein which "explains" relativity to the layman the pretty girl/hot stove abstract.
Nobel Media AB
The Nobel Prize: Albert Einstein Nobel Lecture on Theory of Relativity
At this site download and read a lecture entitled "Fundamental Ideas and Problems of the Theory of Relativity," given by Albert Einstein during the Nobel Prize ceremonies when he was the laureate in physics. Available in PDF format.
BBC
Bbc Science & Nature: Black Holes and Time Travel
This article describes how black holes may provide clues to the possibility of time travel and parallel universes.
Curated OER
Relativity, 1953
This site has several thumbnail images of Escher's artwork. Each can be clicked on and enlarged twice. Showcased are such popular pieces such as "Drawing Hands" and "Mobius Strip II."