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xkcd bot@lemmy.worldB to xkcd@lemmy.worldEnglish · 3 days ago

xkcd #3115: Unsolved Physics Problems

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xkcd #3115: Unsolved Physics Problems

xkcd bot@lemmy.worldB to xkcd@lemmy.worldEnglish · 3 days ago
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xkcd #3115: Unsolved Physics Problems

Title text:

‘Tin pest’ makes more sense to me. Tin just doesn’t want to be locked down in a shape like that. I get it. But why would any metal want to grow hair??

Transcript:

Transcript will show once it’s been added to explainxkcd.com

Source: https://xkcd.com/3115/

explainxkcd for #3115

  • whotookkarl@lemmy.dbzer0.com
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    1 day ago

    Cursed unsolved math problems sounding like the beginning of a horror story:

    You’re lost in a forest without a map and compass…

    Does generalized moonshine exist?

    What’s the longest snake you can jam into an n-dimensional hypercube?

    • obstbert@feddit.org
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      1 day ago

      I’m interested. Please elaborate!

      • whotookkarl@lemmy.dbzer0.com
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        24 hours ago

        Bellman’s lost in a forest problem: https://en.wikipedia.org/wiki/Bellman’s_lost-in-a-forest_problem

        Generalized moonshine: https://en.wikipedia.org/wiki/Monstrous_moonshine#Generalized_moonshine if the moonshine phenomena also exists outside the monster group

        Snake in a box problem: https://en.wikipedia.org/wiki/Snake-in-the-box

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