What If? (book)

What If?: Serious Scientific Answers to Absurd Hypothetical Questions
AuthorRandall Munroe
LanguageEnglish
SubjectScience miscellanea, science humor
PublishedSeptember 2, 2014
PublisherHoughton Mifflin Harcourt
Publication placeUnited States
Media typePrint
Pages320 pages
ISBN0-544-27299-4
500
LC ClassQ173.M965 2014
Websitexkcd.com/what-if/

What If?: Serious Scientific Answers to Absurd Hypothetical Questions is a 2014 non-fiction book by Randall Munroe in which the author answers hypothetical science questions sent to him by readers of his webcomic, xkcd. The book contains a selection[Note 1] of questions and answers originally published on his blog What If?, along with several new ones.[1] The book is divided into several dozen chapters, most of which are devoted to answering a unique question.[Note 2] What If? was released on September 2, 2014 and was received positively by critics. A sequel to the book, titled What If? 2, was released on September 13, 2022.[6]


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  1. ^ Munroe, Randall (2014-03-12). "What if I wrote a book?". blog.xkcd.com. Archived from the original on 2016-04-06.
  2. ^ Cite error: The named reference npr was invoked but never defined (see the help page).
  3. ^ Munroe, Randall (2014). "Lightning". What if? : serious scientific answers to absurd hypothetical questions (hardback). New York: Houghton Mifflin Harcourt Publishing Company. pp. 89–94. ISBN 978-0-544-45686-0.
  4. ^ Munroe, Randall (2014). "Orbital Speed". What if? : serious scientific answers to absurd hypothetical questions (hardback). New York: Houghton Mifflin Harcourt Publishing Company. pp. 187–191. ISBN 978-0-544-45686-0.
  5. ^ Munroe, Randall (2014). "Short-Answer Section". What if? : serious scientific answers to absurd hypothetical questions (hardback). New York: Houghton Mifflin Harcourt Publishing Company. pp. 83–88. ISBN 978-0-544-45686-0.
  6. ^ "What if? 2: Additional Serious Scientific Answers to Absurd Hypothetical Questions". xkcd.com. Retrieved 2022-09-26.

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