Comic Strips

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Comic Strips is a community for those who love comic stories.

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The post can be a single image, an image gallery, or a link to a specific comic hosted on another site (the author's website, for instance).
The comic must be a complete story.
If it is an external link, it must be to a specific story, not to the root of the site.
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If you are posting a comic of your own, a maximum of one per week is allowed (I know, your comics are great, but this rule helps avoid spam).
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The Infinite Hotel (sh.itjust.works)

submitted 4 days ago by Veraven@sh.itjust.works to c/comicstrips@lemmy.world

54 comments fedilink hide all child comments

TED-Ed - The Infinite Hotel Paradox

https://en.wikipedia.org/wiki/Hilbert%27s_paradox_of_the_Grand_Hotel

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[–] brsrklf@jlai.lu 3 points 3 days ago (1 children)

Imaginary numbers are a perfect example of that. It's basically just "Okay, in the common number theory, you can't get the square root of a negative number. What if you could?". And what do you know, you can build a consistent theory where square root of -1 exists, and it has surprising properties.

Intuitively, good luck trying to make sense of it. But it doesn't matter, it works, and it's useful to build other stuff. That in turn can be used as modelling tools in physics and all.

[–] Devjavu@lemmy.dbzer0.com 3 points 3 days ago

I think it makes sense intuitively. It's just most of us aren't really trained since childhood to work with inaginary numbers. Sure, it's not a 1:1 mapping to your fingers, but it's not that unintuitive. Like when I do certain calculations I go into a second dimension of numbers where I can move around just as in the first dimension, because those calculations are outside of our current physical reality.
I say current as if our reality will change somehow somewhen lol.