Experience Armageddon in Sneak Peek at 'xkcd' Author's New Book

Let's all just be glad that Earth keeps rotating. In his new book, What If?: Serious Scientific Answers to Absurd Hypothetical Situations, xkcd author Randall Munroe illustrates some of life's most bizarre questions and conundrums. Munroe recently joined Mashable's social book club MashableReads with the #WhatIfChallenge, and is encouraging readers to submit their own one-panel comics depicting outrageous hypothetical situations on Tumblr, Twitter, Instagram and Vine See also: Explore the Absurd...