AN INSTANT NEW YORK TIMES BESTSELLER! "The questions throughout What If? 2 are equal parts brilliant, gross, and wonderfully absurd and the answers are thorough, deeply researched, and great fun. . . . Science isn’t easy, but in Munroe’s capable hands, it surely can be fun." —TIME The #1 New York Times bestselling author of What If? and How To answers more of the weirdest questions you never thought to ask The millions of people around the world who read and loved What If? still have questions, and those questions are getting stranger. Thank goodness xkcd creator Randall Munroe is here to help. Planning to ride a fire pole from the Moon back to Earth? The hardest part is sticking the landing. Hoping to cool the atmosphere by opening everyone’s freezer door at the same time? Maybe it’s time for a brief introduction to thermodynamics. Want to know what would happen if you rode a helicopter blade, built a billion-story building, made a lava lamp out of lava, or jumped on a geyser as it erupted? Okay, if you insist. Before you go on a cosmic road trip, feed the residents of New York City to a T. rex, or fill every church with bananas, be sure to consult this practical guide for impractical ideas. Unfazed by absurdity, Munroe consults the latest research on everything from swing-set physics to airliner catapult–design to answer his readers’ questions, clearly and concisely, with illuminating and occasionally terrifying illustrations. As he consistently demonstrates, you can learn a lot from examining how the world might work in very specific extreme circumstances.

In the New York Times best-selling book from the creator of the wildly popular webcomic xkcd, Randall Munroe gives hilarious and informative answers to important questions you probably never thought to ask. Fans of xkcd ask Munroe a lot of strange questions. What if you tried to hit a baseball pitched at 90 percent the speed of light? How fast can you hit a speed bump while driving and live? If there was a robot apocalypse, how long would humanity last? What if everyone only had one soulmate? What would happen if the moon went away? In pursuit of answers, Munroe ran computer simulations, pored over stacks of declassified military research memos, solved differential equations, and consulted with nuclear reactor operators. His responses are masterpieces of clarity and hilarity, complemented by signature xkcd comics. (They often predict the complete annihilation of humankind, or at least a really big explosion.) Far more than a book for geeks, What If? explains the laws of science in operation in a way that every intelligent reader will enjoy and feel much smarter for having read.

AN INSTANT NEW YORK TIMES BESTSELLER! "The questions throughout What If? 2 are equal parts brilliant, gross, and wonderfully absurd and the answers are thorough, deeply researched, and great fun. . . . Science isn’t easy, but in Munroe’s capable hands, it surely can be fun." —TIME The #1 New York Times bestselling author of What If? and How To answers more of the weirdest questions you never thought to ask The millions of people around the world who read and loved What If? still have questions, and those questions are getting stranger. Thank goodness xkcd creator Randall Munroe is here to help. Planning to ride a fire pole from the Moon back to Earth? The hardest part is sticking the landing. Hoping to cool the atmosphere by opening everyone’s freezer door at the same time? Maybe it’s time for a brief introduction to thermodynamics. Want to know what would happen if you rode a helicopter blade, built a billion-story building, made a lava lamp out of lava, or jumped on a geyser as it erupted? Okay, if you insist. Before you go on a cosmic road trip, feed the residents of New York City to a T. rex, or fill every church with bananas, be sure to consult this practical guide for impractical ideas. Unfazed by absurdity, Munroe consults the latest research on everything from swing-set physics to airliner catapult–design to answer his readers’ questions, clearly and concisely, with illuminating and occasionally terrifying illustrations. As he consistently demonstrates, you can learn a lot from examining how the world might work in very specific extreme circumstances.

PLEASE NOTE: This is a summary of the book and NOT the original book. What If? by Randall Munroe - A 30-minute Instaread Summary Inside this Instaread Summary: • Overview of the entire book • Introduction to the important people in the book • Summary and analysis of all the chapters in the book • Key Takeaways of the book • A Reader's Perspective Preview of this summary: Chapters 1-4 Global Windstorm. If the earth stopped spinning, but the air kept moving, supersonic winds would develop everywhere except near the poles. Half the earth would freeze while the other half would burn up. People would survive only in a few places, such as research stations at the South Pole. Cold water would churn up from the ocean depths, creating global cooling and tsunamis. Eventually, however, the moon, still rotating, would start moving toward Earth. The tidal energy of the moon would tug on Earth and start it spinning again. Relativistic Baseball. A baseball traveling at ninety percent of light speed would create a thermonuclear explosion as it came in contact with the air. Batter, catcher, ballpark and everything nearby would be destroyed. It would also happen so fast that everything would remain stationary. An MIT scientist who also simulated this, however, told Munroe that his result could not be duplicated. Spent Fuel Pool. Swimming in a pool of spent nuclear reactor fuel would not be fatal. A swimmer who does not dive down and touch a spent fuel rod would be exposed to less radiation than a person normally gets walking around. The water temperature would be slightly less than that of a hot tub. Workers actually swim in these pools to service them…