What If?

By Randall Munroe

Categories: Humor & Entertainment

The creator of the incredibly popular webcomic xkcd presents his heavily researched answers to his fans' oddest questions, including “What if I took a swim in a spent-nuclear-fuel pool?” and “Could you build a jetpack using downward-firing machine guns?” 100,000 first printing.

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• Bill Gates: “The reason Munroe’s approach is a great way to learn about science is that he takes ideas that everybody understands in a general way and then explores what happens when you take those ideas to their limits.”