A Pythagorean cup(Pythagoras Cup) looks like a normal drinking cup, except that the bowl has a central column in it. The central column of the bowl is positioned directly over …
More Mercury: Numberphile for Pythagorean math: Buy a Pythagorean Cup on Amazon: This features features Professor Sir Martyn Poliakoff from the University of Nottingham. Siphon in vacuum: More chemistry at …