 In October 2008, "The New Yorker" magazine online published an interview and "Cartoon Off" between Munroe and Farley Katz, in which each cartoonist drew a series of four humorous cartoons.Munroe has a blog entitled "", where he has answered questions sent in by fans of his comics.These questions are usually absurd and related to math or physics, and he explains them using both his knowledge and various academic sources.