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XKCD's Randall Munroe Announces What If? 2 (theverge.com) 49

XKCD creator Randall Munroe has announced his latest science book: What If? 2: Additional Serious Scientific Answers to Absurd Hypothetical Questions, which will delve into new out-of-the-box questions that Munroe attempts to answer with hard scientific facts and research. From a report: What If? 2 follows 2014's original What If? book -- which itself was borne out of an XKCD spinoff blog -- that saw Munroe examine absurd questions (like whether you could build a jetpack that ran off downward-facing machine guns or if there's enough paint to cover the entire surface of the earth) with rigorous scientific accuracy, accompanied by Munroe's signature stick figure comics. The new volume will continue in What If?'s absurd scientific footsteps, attempting to answer new questions from readers like how you'd ride a fire pole from the moon to Earth, or what would happen if you tried to build a billion-story-high building or solve global warming by having everyone on earth open their freezer doors.
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XKCD's Randall Munroe Announces What If? 2

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  • by olsmeister ( 1488789 ) on Monday January 31, 2022 @12:53PM (#62224175)
    Remind me when it gets closer to release; I'll never remember.
  • by williamyf ( 227051 ) on Monday January 31, 2022 @12:58PM (#62224189)

    But TFS (probably NOT written by the editor) has the correct name: XKCD

    • It is in honour of lysdexia.
      • It is in honour of lysdexia.

        I have a slight dyslexia myself. One of the reasons I did not choose a career as editor :-P

  • by fermion ( 181285 ) on Monday January 31, 2022 @01:18PM (#62224253) Homepage Journal
    I like this best, as it was graphic intensive and had a lot of his humor. What If? seems to a good overview of science principles, but sometimes seems sketchy.
  • by not.a.socialist ( 6650346 ) on Monday January 31, 2022 @01:19PM (#62224259)
    "I used to work in a fire hydrant factory. You couldn't park anywhere near the place." ~ Steven Wright
  • by ffkom ( 3519199 ) on Monday January 31, 2022 @02:07PM (#62224413)
    ... as explained in https://what-if.xkcd.com/73/ [xkcd.com]

    Now that gravitational waves have been detected, I would love to see "Lethal Gravitational Waves" in the same kind of setting...
    • Lethal neutrinos from a supernova is a silly example because if the Earth is closer than about 100 light-years to an SN then survivability becomes an issue for reasons that have absolutely nothing to do with neutrinos.

      If you want a better example of lethal neutrino radiation then prototype designs for muon colliders are a far more likely future hazard. Such a collider would have to have insane numbers of high-energy muons in the beams due to the fact that muons decay releasing two neutrinos. This means t
      • Lethal neutrinos from a supernova is a silly example...

        ...have you read much 'What If'? The entire idea is that almost all the scenarios considered are completely absurd.
        If that's not your wheelhouse then these books are not for you (which is fine, of course).

      • Lethal neutrinos from a supernova is a silly example

        The title is "What If?: Serious Scientific Answers to Absurd Hypothetical Questions"...

        If you want a better example of lethal neutrino radiation then prototype designs for muon colliders are a far more likely future hazard. Such a collider would have to have insane numbers of high-energy muons in the beams due to the fact that muons decay releasing two neutrinos. This means there is a significant danger from the sheer number of neutrinos that are produced.

        • You can get some numbers from here [web.cern.ch]. This paper though is more about ensuring that legal limits for radiation outside the site are not exceeded rather than worrying about where the radiation would be lethal.

          The two key differences with a collider vs a SN that amplify its impact are that the beams are highly collimated so the neutrinos are produced in a very tight beam along the arms of the accelerator (assuming an oval design to get a rapid initial acceleration to reduce decays) and not emitted in all dir
  • Fermi estimation (Score:5, Informative)

    by hackertourist ( 2202674 ) on Monday January 31, 2022 @02:12PM (#62224423)

    the first 'What If' book introduced me to Fermi estimation, which I've grown to love. It's an excellent tool for a quick approximation of how large a problem is or how plausible a claim is.

  • Probably one of my top 10 claims to fame is he used one of my questions in his first book.

    But what he does takes a hell of a lot of energy and I always wondered how long he could keep it up. He hasn't updated his web site more than once a year for a half decade now. Glad to see him back up on the horse.

    • He was doing a What If style column called Good Question [nytimes.com] for the NYT (in addition to the normal XKCD comic). That's where the What If energy was probably going. His last column there was in December 2020 but that's probably when he started work on this book.
    • Probably one of my top 10 claims to fame is he used one of my questions in his first book.

      Apropos of nothing, what are the other nine?

      And if the XKCD question is not #1, what is?

  • by dpille ( 547949 ) on Monday January 31, 2022 @03:04PM (#62224575)
    What if I actually had the patience to wait that long for the new book from one of my favorites?

    Best strategy is for me to forget I ever saw this and then be pleasantly surprised when the reviews start being written.

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