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from Gizmodo

### There's a Hidden Connection Between Pi and Quantum Mechanics

Physicists have uncovered a hidden connection between a famous mathematical formula for pi, everyone’s favorite irrational number, and quantum mechanics. At least one mathematician has pronounced the discovery “a cunning piece of magic.”

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For the first time, scientists have discovered a classic formula for pi in the world of quantum physics. Pi is the ratio between a circle's circumference and its diameter, and is incredibly important in pure mathematics, but now scientists have...

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For the first time, scientists have discovered a classic formula for pi in the world of quantum physics. Pi is the ratio between a circle's circumference and its diameter, and is incredibly important in pure mathematics, but now scientists have...

Two scientists were surprised to find pi lurking in a quantum mechanics formula for the energy states of the hydrogen atom.

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Visual definition of Pi (3.14), diameter, radius, and other circle vocab, as well as visual aides in learning math formulas for circles.

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from The Christian Science Monitor

### Scientists look into hydrogen atom, find old recipe for pi

A pair of quantum scientists calculating the energy levels of a hydrogen atom at the University of Rochester have discovered a 360-year-old formula for pi in their equations.

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For the first time, scientists have discovered evidence of a classic formula for pi in the world of quantum physics.

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from tothesquareinch