GR Proper Length Program
written by Wolfgang Christian, Mario Belloni, and Anne Cox
educational validator: Bethany Zach
The GR Proper Length program simulates the distance between points using the Schwarzschild metric. It displays the proper length between two points and the light-travel path. It is distributed as a ready-to-run (compiled) Java archive. Double clicking the gr_properlength.jar file will run the program if Java is installed.
GR Proper Length is part of a suite of Open Source Physics programs that model aspects of General Relativity. Other programs provide additional visualizations. They can be found by searching ComPADRE for Open Source Physics, OSP, or General Relativity.
Please note that this resource requires at least version 1.5 of Java.
2 supplemental documents are available
GR Proper Length Program Documentation
A pdf document that briefly describes the GR Proper Length program. It describes how to use the gr_properlength.jar file and contains short tutorial exercises and explorations for use with the gr_probability.jar file.
download 104kb .pdf
Published: May 8, 2008
The materials distributed in this zip file are in support of the GR Proper Length program. This distribution contains the GR Proper Length program, documentation and exercises, and additional parameter sets (xml files) for use with the GR Proper Length Program.
download 653kb .zip
Published: May 8, 2008
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GR Proper Length Program:
Is Part Of General Relativity (GR) Package
The General Relativity (GR) Package contains curricular materials for the teaching of general relativity using the GR Proper Length Program.relation by Mario Belloni
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