For any task you might want to do, there's a right way, a wrong way, and a way so monumentally complex, excessive, and inadvisable that no one would ever try it. Munroe has created a guide to the third kind of approach. He provides highly impractical advice for everything from landing a plane to digging a hole. Cartoonist Randall Munroe (xkcd) explains how to predict the weather by analyzing the pixels of your Facebook photos. He teaches you how to...

"The millions of people around the world who 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...