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September 17, 2010

Two-quadrillionth digit of Pi

Pi record smashed as team finds two-quadrillionth digit

Its value truncated to the 39 decimal place is sufficient to compute the circumference of the visible universe to a precision comparable to the size of a hydrogen atom.

π ≈ 3.141592653589793238462643383279502884197

I'm happy with this. I don't like irrational numbers.