#pythagorean_cup
Pythagorean cup
Cup with a central siphon drain
A Pythagorean cup is a practical joke device in a form of a drinking cup, credited to Pythagoras of Samos. When it is filled beyond a certain point, a siphoning effect causes the cup to drain its entire contents through the base. The cup has been used to make statements about greed.
Tue 17th
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