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Pythagorean cup
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A Pythagorean cup is a practical joke device in the form of a drinking cup. When it is filled beyond a certain point, a siphoning effect causes the cup to drain its entire contents through the base. T
Cross section of a ceramic Pythagorean cup
Cross section of a ceramic Pythagorean cup
The cup illustrated in a 14th-century manuscript of Hero's Pneumatica, generally assumed to closely follow the original.
The cup illustrated in a 14th-century manuscript of Hero's Pneumatica, generally assumed to closely follow the original.
Instructions of how to use the Pythagoras' cup by Kotsanas Museum of Ancient Greek Technology.
Instructions of how to use the Pythagoras' cup by Kotsanas Museum of Ancient Greek Technology.
A Pythagorean cup sold in Crete, known as o kounenos tis dikaiosynis ("the cup of justice")
A Pythagorean cup sold in Crete, known as o kounenos tis dikaiosynis ("the cup of justice")
Heron's fountain
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Heron's fountain is a hydraulic machine invented by the 1st century AD inventor, mathematician, and physicist Heron of Alexandria.
Pythagorean cup
…Fuddling cup Heron's fountain List of practical joke topics…
Executed example of a Heron's fountain in operation
Executed example of a Heron's fountain in operation
A reconstruction of Heron's fountain, at the Kotsanas Museum of Ancient Greek Technology, in Athens.
A reconstruction of Heron's fountain, at the Kotsanas Museum of Ancient Greek Technology, in Athens.