EDIT
Looks a whole lot better.
xkcd is "A webcomic of romance,
sarcasm, math, and language."

"Warning: this comic occasionally contains strong language (which may be unsuitable for children), unusual humor (which may be unsuitable for adults), and advanced mathematics (which may be unsuitable for liberal-arts majors)."

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diesel sweeties: indie rock robot romance webcomic and geeky t-shirt blogporium

xkcd - A webcomic of romance, sarcasm, math and language.
Ingenious humor by Randall Munroe.