(DIR) xkcd - A Webcomic of Romance, Sarcasm, Math and Language.
 (DIR) Floodgap Gopher Fun and Games
        
       xkcd - A Webcomic - Scenario 4 (2289)
        
       Image:
 (PNG) scenario_4.png
        
       Remember, models aren't for telling you facts, they're for
       exploring dynamics. This model apparently explores time travel.
        
       Comics reproduced from www.xkcd.com under license.
 (HTM) xkcd License (WWW)
 (HTM) xkcd Web Site (WWW)
        
       Previous:
 (DIR) xkcd - A Webcomic - Collector's Edition (2288)
       Next:
 (DIR) xkcd - A Webcomic - Homemade Masks (2290)