Once In A Lifetime Math Moment Pi Day, ‘ and 53 seconds.’
(CBS SF) — has been known as Pi Day ever since fans of the mathematical constant representing the ratio of a circle’s circumference to its diameter realized the fun that could be had with the date, but in 2015, Pi Day really is significant as the mathematical moment of Pi–3.141592653–will only come around once in a lifetime, on and 53 seconds.
A moment like this won’t be back for another hundred years, March 14th, 2115.
How will you celebrate Pi Day? By eating pie, of course! Or try one of these Pi/Pie ideas: http://www.wikihow.com/