-
Alt for xkcd comic: Question: How many holes are there in a coffee cup? Topologist: One. Normal person: I don’t know, does the opening count as a hole? Philosopher: To answer that question, consider another: If we drill a hole in the side, how many holes are there now? 1/2 @xkcd/1558236512466382848
-
Chemist: 10²¹ in the caffeine alone. Theoretical physicist: At the Planck length, uncountably many. 2/2