
rex, or fill every church with bananas, be sure to get your ticket for this practical guide to 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. This November, the former NASA roboticist, Sunday Times Number 1 and international bestselling author and cartoonist will be live on stage giving serious scientific answers to absurd hypothetical questions to celebrate the publication of his new book, What If? 2.

Thank goodness xkcd creator Randall Munroe is here to help. The millions of people who read and loved What If? still have questions, and those questions are getting stranger.
