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More by Randall Munroe
What If?: Serious Scientific Answers to Absurd Hypothetical Questions
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How To: Absurd Scientific Advice for Common Real-World Problems from Randall Munroe of xkcd
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How To: Absurd Scientific Advice for Common Real-World Problems
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What If? 2: Additional Serious Scientific Answers to Absurd Hypothetical Questions
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What If? 10th Anniversary Edition: Serious Scientific Answers to Absurd Hypothetical Questions
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Thing Explainer: Complicated Stuff in Simple Words
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