RogCAD Virtual Girder and Panel Building Set




DOWNLOAD: RogCAD Girder and Panel Building Set  2.06 MB         Animation1: Click here          contact RogCAD

                                                                Animation2: Click here           
          1957 - 1962  construction toy                         
                                                                     Quick Start Guide


























The physical toy Girder and Panel represented in RogCAD Girder and Panel was 
manufactured by Kenner, a trademark of Hasbro, with which RogCAD is not affiliated.

The current manufacturer of the physical toy Girder and Panel 
is Bridge Street Toys, with which RogCAD is not affiliated.

A comprehensive and well illustrated guide to the histoy of all
Girder and Panel building sets can be found at:  Girder & Panel and Bridge & Turnpike Heaven


RogCAD 3D CAD




Relativity in absolute terms


Twin Paradox


Twin Paradox Animation on youtube


Twin Paradox Animation short text


Twin Paradox Animation long text


Twins Paradox Explained


Excerpts from the book Relativity Trail


Einstein explained in excerpts from Relativity Trail


Diagrams and derivations from the book Relativity Trail


Relativity Trail, the book (free pdf file)




Chaos etc - equations, graphical output and code




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