August 20, 2013

Pythagorean Cup or the Greedy Cup : Science

Pythagorean Cup or the GreedyCup, credited to Pythagorus of Samos, ancient Greece.
This is a unique which looks mostly like a normal cup, with a raised tube in the middle. It works on the simple principle of air pressure & hydrostatic pressure. 
Above is a cross section view I the cup & it's functioning.
Between step C & D, the pouring out of water creates a hydrostatic pressure which leads from C to D, instead of B.

Photo courtesy : Wikipedia

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