Pi Day was dreamed up 27 years ago to celebrate 3.14 on 3/14, but this year the geek dial got turnt up! Until 2115, this will be an only exact match for pi’s first 10 digits. 3.141592653. Twice at 9:26:53, here are there are two –no, three!– opportunities to celebrate… physicist Larry Shaw organized the earliest known Pi Day celebration in 1988 and they’re going old school and celebrating 1:59 PM. What do most nerds do? Duh. Eat pie. (How about fruit in the AM, pizza in the PM?) What is it about pi that makes geeks freak? The number is the ratio of a circle’s circumference to its diameter. And as an added bonus— because it’s Albert Einstein‘s birthday– 2015 marks the 100th anniversary of his theory of relativity! It has been calculated out to more than 13 trillion digits with no end in sight, but here’s a site that has one million digits of pi. And here’s a nice chunk of pi, disappearing off into infinity… 3.141592653589793238462643383279502884197169399375105820974944592307816406286208998628034825342117067982148086513282306647093844609

(via NBC News)