The new volume will continue in What If?’s absurd scientific footsteps, attempting to answer new questions from readers like how you’d ride a fire pole from the moon to Earth, or what would happen if ...

XKCD’s Randall Munroe is turning What If? – his fantastic series of “serious scientific answers to absurd hypothetical questions” –into a book, to be published this September by Houghton Mifflin.

Join a nuclear engineer as they react to one of XKCD's most fascinating thought experiments. Explore the science, physics, and real-world reasoning behind the question of what would happen if the ...