

Unfazed by absurdity, Randall consults the latest research on everything from swing-set physics to airplane-catapult design to clearly and concisely answer his readers’ questions.


rex, or fill every church with bananas, be sure to consult this practical guide for impractical ideas. 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.īefore you go on a cosmic road trip, feed the residents of New York City to a T. 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. Planning to ride a fire pole from the moon back to Earth? The hardest part is sticking the landing. Thank goodness xkcd creator Randall Munroe is here to help. The millions of people around the world who read and loved What If? still have questions, and those questions are getting stranger. Attempting to bypass this rule by adding a ? to a non question will result in a permanent ban.The #1 New York Times–bestselling author of What If? and How To provides his best answers yet to the weirdest questions you never thought to ask.All initial responses to posters must contain a properly punctuated question.Requests should be posted in /r/IAmARequests.See here for tips concerning proof and examples.If it must remain confidential, you can submit proof on our website so we can verify you and your claims. Proof should be included in the text of the post when you start your AMA.Explanation and examples of this rule can be found here.

