(DIR) xkcd - A Webcomic of Romance, Sarcasm, Math and Language.
 (DIR) Floodgap Gopher Fun and Games
        
       xkcd - A Webcomic - Tractor Beam (2579)
        
       Image:
 (PNG) tractor_beam.png
        
       Did you base the saucer shape on pop culture depictions of
       aliens, or was that stuff based on your ships? Does the
       rotational symmetry help with ... hey, where are you going?
        
       Comics reproduced from www.xkcd.com under license.
 (HTM) xkcd License (WWW)
 (HTM) xkcd Web Site (WWW)
        
       Previous:
 (DIR) xkcd - A Webcomic - Sword Pull (2578)
       Next:
 (DIR) xkcd - A Webcomic - Rest and Fluids (2580)