Thoughts from Mirality

Recently I started looking through the archives of xkcd — I forget where I first found a link to it, but I suspect it was probably Twenty Sided.
Anyway, here are a few of my particular favourites so far (don’t forget to hover your mouse on the comic for the captions!):

Centrifugal Force
Substitute
Pointers
Sandwich
Accident
Donald Knuth
String Theory
Regular Expressions
The Problem [...]