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.
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 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.
Florida State University
Florida State University: Science, Optics & You: Albert Einstein
Biography of Albert Einstein (1879-1955), one of the most famous physicists of the last century, best known for his theory of relativity.
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: Minkowski Diagram Model
Simulation examining simultaneity and causality in special relativity by manipulating the space and time coordinates of one or two events.
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.
PBS
Pbs: Nova: Time Travel: Think Like Einstein
Addressed with questions about relative speed and the speed of light, students begin to "think like Einstein" while exploring the science behind the mystery of time travel.
Stanford University
Stanford University: Conventionality of Simultaneity
This site from Stanford University is on the topic of simultaneity in relativity.
Georgia Department of Education
Ga Virtual Learning: Special Relativity and Quantum Mechanics
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...
Walter Fendt
Walter Fendt: Apps Zur Physik
This site, in German, offers numerous apps that illustrate common physics principles. Apps are organized into categories: mechanics, oscillations and waves, electrodynamics, optics, thermodynamics, the theory of relativity, physics of...
PBS
Pbs Learning Media: Einstein: A Timeline of His Life
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.
Science Struck
Science Struck: Biography of Albert Einstein
The life and many accomplishments of Albert Einstein are detailed in this article. Includes descriptions of his scientific theories and contributions.
CK-12 Foundation
Ck 12: Physical Science: Einstein's Concept of Gravity
[Free Registration/Login may be required to access all resource tools.] Explores Einstein's theory of gravity and the warping of space-time.
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.
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.
University of New South Wales (Australia)
University of New South Wales: Einstein Light
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.
PBS
Pbs Learning Media: Einstein: How Smart Was He?
This essay from the NOVA Web site explores the impact Einstein made on physics and most everything we know about the cosmos.
PBS
Pbs Learning Media: Think Like Einstein
This interactive activity from the NOVA Web site challenges you to think like Einstein and understand how time travel might be possible.
BBC
Bbc Mundo: El Ano Magico De Einstein
A special feature on Einstein from the BBC, in Spanish. Follow Einstein's life, including his role in the development of the atomic bomb; learn about the impact and practical applications of his work; or watch a speech he gave in 1950...
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.
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.
Wikimedia
Wikipedia: Albert Einstein
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...