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At work we somehow landed on the topic of how many holes a human has, which then evolved into a heated discussion on the classic question of how many holes does a straw have.

I think it's two, but some people are convinced that it's one, which I just don't understand. What are your thoughts?

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[-] Ddhuud@lemmy.world 50 points 1 year ago* (last edited 1 year ago)

Mathematically It's one. Think of a disk, like a CD, does it have one hole or two? One, right? Now imagine you can make it thicker, I.e. increase the height, and then reduce the outer radius... Making it progressively more straw-like. At what point does it stop having 1 hole and begin to have 2?

Topologically they're the same shape.

I'm sure Matt Parker has a video on this topic in YouTube. Here

[-] Belgdore@lemm.ee 5 points 1 year ago

The specific field is topology fyi

[-] snaf -2 points 1 year ago

If I dig a hole, how many holes is it?

[-] 1rre@discuss.tchncs.de 8 points 1 year ago

Holes in the hole? 0

Holes in the top layer of the ground? 1

[-] Hupf@feddit.de 6 points 1 year ago

Zero unless you reach Australia

this post was submitted on 04 Jul 2023
292 points (94.5% liked)

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