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   DIR Floodgap Gopher Fun and Games
        
       xkcd - A Webcomic - Right-Hand Rule (199)
        
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       right_hand_rule.png
        
       To really expand your mind try some noncartesian porn.  Edwin
       Abbot Abbott has nothing on 'Girls on Girls in Tightly Closed
       Nonorientable Spaces'.
        
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