A straw is just a stretched doughnut.
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A mug has one hole, as do a donut or staw. Topologically speaking, the “hole” you put your liquids in is not a hole, as it does not go all the way through to the other side. The handle is the only hole.
Demonstration gif: https://upload.wikimedia.org/wikipedia/commons/2/26/Mug_and_Torus_morph.gif
I think you should go to the kitchen and count them
Did you just start topography?
no comrade, this vessel is far too dimly lit. It makes shitposts
Are all circles in physical reality actually cylinders, only some are very short?
Yes
Not really cylinders, but toruses. Disks with extent are cylinders.
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photobleaching?
