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A Pythagorean cup (also known as a Pythagoras cup, greedy cup, cup of justice, anti greedy goblet or Tantalus cup) is a practical joke device in a form of a drinking cup. When it is filled beyond a certain point, a siphoning effect causes the cup to drain its entire contents…
A Pythagorean cup (also known as a Pythagoras cup, greedy cup, cup of justice, anti greedy goblet or Tantalus cup) is a practical joke device in a form of a drinking cup. When it is filled beyond a certain point, a siphoning effect causes the cup to drain its entire contents…
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