2026-09-02 17:08 UTC
I'm guessing two, but I'm no topologist (though I have watched a fair bit of Cliff Stoll...).
Replies (1)
-
@ignotum@lemmy.world 2026-09-02 17:15
I think it’s three, the handle, the donut hole, then there’s the hole/tunnel formed inside of the cup EDIT: there seems to be some confusion around what i mean, maybe this illustration will clear it up: