Menu
cropped Brain Chamber Logo.webp
  • Ancient Civilizations
    • The Aztec Empire
    • The Ancient Egyptians
    • The Ancient Greeks
    • The Etruscans
    • The Inca Empire
    • The Ancient Maya
    • The Olmecs
    • The Indus Valley Civilization
    • The Sumerians
    • Ancient Romans
    • Vikings
  • Historical Places
    • Fortifications
      • Castles
      • Fortresses
      • Brochs
      • Citadels
      • Hill Forts
    • Religious Structures
      • Temples
      • Churches
      • Mosques
      • Stupas
      • Abbeys
      • Monasteries
      • Synagogues
    • Monumental Structures
      • Pyramids
      • Ziggurats
      • Cities
    • Statues and Monuments
    • Monoliths
      • Obelisks
    • Megalithic Structures
      • Nuraghe
      • Standing Stones
      • Stone Circles and Henges
    • Funerary Structures
      • Tombs
      • Dolmens
      • Barrows
      • Cairns
    • Residential Structures
      • Houses
  • Ancient Artifacts
    • Artwork and Inscriptions
      • Stelae
      • Petroglyphs
      • Frescos and Murals
      • Cave Paintings
      • Tablets
    • Funerary Artifacts
      • Coffins
      • Sarcophagi
    • Manuscripts, Books and Documents
    • Transport
      • Carts
      • Ships and Boats
    • Weapons and Armor
    • Coins, Hoards and Treasure
    • Maps
  • Mythology
  • History
    • Historical Figures
    • Historical Periods
  • Generic selectors
    Exact matches only
    Search in title
    Search in content
    Post Type Selectors
  • Natural Formations
cropped Brain Chamber Logo.webp

The Brain Chamber » Ancient Artifacts » Pythagorean cup

Pythagorean cup 3

Pythagorean cup

Posted on

The Pythagorean Cup: A Clever Device with a Surprising Secret

The Pythagorean cup, also known as the Greedy Cup or the Cup of Justice, is a fascinating drinking vessel with a surprising secret. This seemingly ordinary cup holds a hidden mechanism that activates when filled beyond a designated point.

Get your dose of History via Email

loader

EMAIL ADDRESS*

Truth and Debunking: Pythagoras and the Cup

While the cup is named after the famous mathematician Pythagoras, there’s no historical evidence he invented it. Scholars believe the Pythagorean cup emerged much later than Pythagoras’ time, possibly even centuries later. The exact origin of the cup remains a mystery.

A Cautionary Tale: Design and Mechanics

The seemingly ordinary cup has a hidden design element: a central hollow column that reaches near the top. A hidden channel connects this column to a reservoir near the bottom and a hole disguised within the stem. When someone fills the cup beyond a designated level, the liquid fills the column and triggers a siphon. This siphoning action rapidly empties the cup through the hole in the stem, leaving the greedy drinker with nothing but a lesson learned.

Pythagorean cup 2

Modern Applications of the Siphoning Principle

The siphoning principle used in the Pythagorean cup finds application in several modern devices:

  • Flush Toilets: The siphoning action efficiently removes waste from the toilet bowl.
  • Automatic Fish Feeders: These feeders use a similar siphoning mechanism to release measured amounts of food at specific intervals.

More Than a Novelty: A Legacy of Ingenuity

The Pythagorean cup is more than just a novelty. It’s a testament to the ingenuity of early inventors and a demonstration of a fundamental scientific principle: siphoning. This principle continues to find practical applications in our everyday lives. While the exact origins remain unknown, the cup serves as a reminder of the creativity and problem-solving skills of our ancestors.

Sources

Wikipedia

FACT CHECKED

Neural Pathways

Neural Pathways is a collective of seasoned experts and researchers with a profound passion for unraveling the enigmas of ancient history and artifacts. With a wealth of combined experience spanning decades, Neural Pathways has established itself as a leading voice in the realm of archaeological exploration and interpretation.

Leave a Reply Cancel reply

Your email address will not be published. Required fields are marked *

©2025 The Brain Chamber | Wikimedia Commons Contributions

Terms and Conditions - Privacy Policy