title: Oct 13 2021 - 01:46:04 AM
date: 2021-10-13 01:46:04
slug: 13-014604
status: published
display_format: short-note
link: https://jj.isgeek.net/2021/10/13-014604/
titleless: True
categories: math
categories: joke
syndication: https://twitter.com/jjdelc/status/1448102708167200769
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Klein bottle owners, be very careful, if you ever get water inside your bottle, it'll be impossible to fully remove. But then again, worry not! because the water was never really inside ;) #math #joke