theslipperiestbutt: brainstatic: historical-nonfiction: A Pythagorean cup looks like a normal drinking cup, except that the bowl has a central column in it. It was supposedly invented by Pythagoras of Samos (yes, that one). It allows the user to fill
tags: Aye, Siwmae!,
from: https://www.tumblr.com/blog/view/jake-the-fox/74128768123
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