March 14th (3/14) is National Pi Day, as officially designated by the US congress this year. Traditional festivities are to study the mathematical constant pi in school (which took place yesterday since 3/14 fell on Saturday this year), bake and eat a pie, and sing Pi Day Carols. Evil Mad Scientist Laboraties constructed a Pi Pie Trivet for the occasion, and posted instructions for making your own. Link
Who doesn't like pi?
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Mmmmmmmmm pi.
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Pi day, while amusing, is also an instance of North American triumphalism. Everywhere else in the world we use the much more sensible day/month/year system, meaning that Pi day would fall on the 31st of April (which admittedly isn't, but that's not the point). Like 11/9.
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My birthday is 3/14 and I was born 15 minutes before 9. Not joking! Now it only that wasn't the only coolest thing about me ...
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Pi is irrational number, and there are so-many approximate formula it. Unfortunately until 2500 years after archimedes we don't still know what is the exact formula for the pi, so we only celebrate it as pi day.
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