A regular straw has zero holes. The central cavity, through which beverages flow, is not part of the straw, and hence it's endpoints are not holes in the straw.
this post was submitted on 04 Jul 2023
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A straw has zero holes
Then how does the liquid go through it
There are only two real answers, either 0 or 1.
If you are going topologically the answer is one, just like a donut.
Personally I like to think of a straw as a hollow cylinder of plastic, in which case the "hole" in the center is just space the cylinder doesn't occupy and not actually a hole, so zero.
Two holes doesn't even make any sense imo.
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(2 replies)
Maybe it has infinite holes?
one hole is going through the straw
No it's two holes
It has two exits, one hole.
If you drill a hole in a block of wood you create one hole not two, note that whether or not the drill exits the opposite side, only one hole has been created despite differing numbers of exits.
What if you drill through a book?
You'll be banned from the bookstore