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Discovery of classic pi formula a ‘cunning piece of magic’

While most people associate the mathematical constant π (pi) with arcs and circles, mathematicians are accustomed to seeing it in a variety of fields. But two University scientists were still surprised to find it lurking in a quantum mechanics formula for the energy states of the hydrogen atom.

“We didn’t just find pi,” said Tamar Friedmann, a visiting assistant professor of mathematics and a…