xkcd Geek Comic Site

I’ve been running into math and programming related comics for a while now and always wondered where they were coming from. Today I finally ran across the source. From the topics, it appears the guy is some sort of computer networking mathy type. Some of them are beyond me and I’ve actually learned a bit by googling the ones I didn’t understand like the Alice and Bob one. Anyway, here’s a few samples:

Sandwich from xkcd.com Pointers from xkcd.com Binary Sudoku from xkcd.com