Pi Day 2015

Celebrate π‬  (and Albert Einstein’s birthday) today at exactly

3/14/15 9:26:53.589

when rendered with milliseconds and using a US numerical date. Twice if you use AM/PM.

Also see:
Why Pi Matters (Steven Strogatz/New Yorker)
To Pi and Beyond (Alec Wilkinson/New Yorker)
Prepared for Pi Day? This year it’s a once in a century celebration (The Conversation)

Pi related videos from Numberphile: