xkcd - A Webcomic of Romance, Sarcasm, Math and Language.
Floodgap Gopher Fun and Games
 
xkcd - A Webcomic - Barrel - Part 3 (22)
 
Image:
 
A whirlpool!
 
Comics reproduced from www.xkcd.com under license.
xkcd License (WWW)
xkcd Web Site (WWW)
 
Previous:
xkcd - A Webcomic - Kepler (21)
Next:
xkcd - A Webcomic - T-shirts (23)