From the creator of the wildly popular xkcd.com, hilarious and informative
answers to important questions you probably never thought to ask. Millions visit
xkcd.com each week to read Randall Munroe's iconic webcomic. Fans ask him a lot
of strange questions: How fast can you hit a speed bump, driving, and live? When
(if ever) did the sun go down on the British Empire? When will Facebook contain
more profiles of dead people than living? How many humans would a T Rex
rampaging through New York need to eat a day? In pursuit of answers, Munroe runs
computer simulations, pores over stacks of declassified military research memos,
solves