this post was submitted on 27 Feb 2026
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Science Memes

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top 17 comments
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[–] SkybreakerEngineer@lemmy.world 38 points 1 month ago (1 children)

This is incredibly important to black hole astrophysics. Don't ask why

[–] _stranger_@lemmy.world 4 points 1 month ago

it's furries isn't it.

[–] plenipotentprotogod@lemmy.world 25 points 1 month ago (1 children)

Topologically a dog is a sphere (assuming it keeps its mouth shut...

Next time I want someone to stop talking, they're going to be very confused when I tell them to "become topilogically spherical."

[–] TeddE@lemmy.world 18 points 1 month ago (1 children)

I checked your topological sign and you're such a torus.

[–] southsamurai@sh.itjust.works 4 points 1 month ago

👏👏👏👏👏👏👏👏👏

[–] BillyClark@piefed.social 22 points 1 month ago (1 children)

I think a dog's nose has two separate nostrils that connect somewhere along the way on the inside. That's not a sphere. It's a torus.

[–] Mouselemming@sh.itjust.works 7 points 1 month ago

Given it also has a mouth-to-anus tube, is there a name for a double torus? Genus-2 torus I guess

[–] Thedogdrinkscoffee@lemmy.ca 18 points 1 month ago

I feel like LadyButterfly's how are you feeling on a scale of medieval dog painting was used here.

[–] akesi_Jata@lemmy.dbzer0.com 11 points 1 month ago (1 children)

First they sphere the cows, now the dogs too?! These topologists have to stop before they turn us into spheres too

[–] agamemnonymous@sh.itjust.works 3 points 1 month ago

All it takes is for them to shut your mouth.

[–] craigers@lemmy.world 11 points 1 month ago

3blue1brown just did a video on this. https://youtu.be/BHdbsHFs2P0

[–] alt_xa_23@lemmy.world 8 points 1 month ago (1 children)

The fabled spherical ~~cow~~ dog in a vacuum!

[–] the_mighty_kracken@lemmy.world 3 points 1 month ago

But dogs are afraid of vacuums

[–] Mothra@mander.xyz 8 points 1 month ago (1 children)

Such a cliffhanger. So, is it possible to comb all the hairs in such a way, or is the parting impossible to remove?

[–] affiliate@lemmy.world 8 points 1 month ago

It’s Impossible to remove the parting in even dimensional spheres (such as dogs), but possible to remove it in odd dimensional spheres (such as 2d dogs)

[–] AffineConnection@lemmy.world 1 points 4 weeks ago (1 children)
[–] AffineConnection@lemmy.world 1 points 3 weeks ago

OK, whoever downvoted me knows nothing about topology.