Computer Program Detail Page

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written by Kiril Simov and Wolfgang Christian
The Simultaneous Events program displays the effect of relative motion on the relative ordering of events in special relativity.   In the default scenario two simultaneous events are observed in a stationary reference frame (the Other Frame) and the spacetime diagram of the observation of these events is depicted in another reference frame (the Home Frame).  The slider can be used to change the relative speed between the two frames.

Simultaneous Events is an Open Source Physics program written for the teaching of special relativity.  It is distributed as a ready-to-run (compiled) Java archive.  Double clicking the sr_simultaneous.jar file will run the program if Java is installed.  Other special relativity programs are also available.  They can be found by searching ComPADRE for Open Source Physics, OSP, or Relativity.

Please note that this resource requires at least version 1.5 of Java.
Subjects Levels Resource Types
Classical Mechanics
- Relative Motion
= Moving Reference Frames
- Reference Frames
- Spacetime Fundamentals
- Special Relativity
= Simultaneity
- Lower Undergraduate
- Upper Undergraduate
- Instructional Material
= Curriculum support
= Interactive Simulation
Intended Users Formats Ratings
- Learners
- Professional/Practitioners
- Educators
- application/java
  • Currently 0.0/5

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Access Rights:
Free access
© 2008 Wolfgang Christian
Additional information is available.
OSP, Open Source Physics, events, inertial reference frames, reference frames, simultaneity, simultaneous, spacetime diagram, special relativity
Record Creator:
Metadata instance created May 23, 2008 by Mario Belloni
Record Updated:
August 22, 2009 by Gregory Comer
Last Update
when Cataloged:
May 1, 2008
Other Collections:

ComPADRE is beta testing Citation Styles!

Record Link
AIP Format
K. Simov and W. Christian, Computer Program SIMULTANEOUS EVENTS PROGRAM, Version 1.0 (2008), WWW Document, (
K. Simov and W. Christian, Computer Program SIMULTANEOUS EVENTS PROGRAM, Version 1.0 (2008), <>.
APA Format
Simov, K., & Christian, W. (2008). Simultaneous Events Program (Version 1.0) [Computer software]. Retrieved April 19, 2015, from
Chicago Format
Simov, Kiril, and Wolfgang Christian. "Simultaneous Events Program." Version 1.0. (accessed 19 April 2015).
MLA Format
Simov, Kiril, and Wolfgang Christian. Simultaneous Events Program. Vers. 1.0. Computer software. 2008. Java 1.5. 19 Apr. 2015 <>.
BibTeX Export Format
@misc{ Author = "Kiril Simov and Wolfgang Christian", Title = {Simultaneous Events Program}, Month = {May}, Year = {2008} }
Refer Export Format

%A Kiril Simov
%A Wolfgang Christian
%T Simultaneous Events Program
%D May 1, 2008
%O 1.0
%O application/java

EndNote Export Format

%0 Computer Program
%A Simov, Kiril
%A Christian, Wolfgang
%D May 1, 2008
%T Simultaneous Events Program
%7 1.0
%8 May 1, 2008

Disclaimer: ComPADRE offers citation styles as a guide only. We cannot offer interpretations about citations as this is an automated procedure. Please refer to the style manuals in the Citation Source Information area for clarifications.

Citation Source Information

The AIP Style presented is based on information from the AIP Style Manual.

The APA Style presented is based on information from APA Electronic References.

The Chicago Style presented is based on information from Examples of Chicago-Style Documentation.

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