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Since pi-day, March 14, is coming up, let’s prepare by pondering the number that has obsessed and tortured minds for centuries. This Greek letter, of course, represents the relationship between a circle and its diameter. It’s certainly known by smart alien civilizations throughout the universe. Other universe-wide numbers probably memorized by tattooed Andromeda school-kids no doubt include the four-to-one mass ratio of helium to hydrogen and the speed of light.
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The number pi goes far beyond 3.14. In fact, the mathematical constant has an infinite number of digits after its decimal. On Wednesday morning a…