The Coffee Into Theorems Cafe
At the Coffee Into Theorems Cafe, the Thue-Morse Latte follows an infinite non-repeating sequence of espresso and milk, so it's not a finite-time latte. Also, the donut and mug shelves are swapped, since a topologist can't tell them apart.
Transcript
[Sign: "The Coffee Into Theorems Cafe"] Customer: "Can you hurry it up?" Barista: "Sorry, this isn't a finite-time latte." [Menu: "Try our Thue-Morse Latte! (1 part espresso, 2 parts milk, 1 part espresso, 1 part milk…)"] [Shelves mislabeled: "donuts" holds mugs, "coffee mugs" holds donuts]
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Free for classrooms, worksheets, slides and other non-commercial use under CC BY-NC 4.0, with credit to Ben Orlin.
Cartoon by Ben Orlin, Math with Bad Drawings. https://cartoons.mathwithbaddrawings.com/2022-04-05-the-coffee-into-theorems-cafe/ (CC BY-NC 4.0)