ипонские штрихкоды
http://death-moroz.livejournal.com/285818.html
An infinite number of mathematicians walk into a bar. The first one orders a beer. The second orders half a beer. The third orders a quarter of a beer. The bartender says "You're all idiots", and pours two beers.
![[1]](https://svalko.org/data/2008_12_05_23_06_344103_1.gif){kind=link}