As of the day this post was created (June 28, 2017), today is Tau Day! This is like Pi Day, except this day celebrates the virtues of the true circle constant, tau (= 2pi).
Read The Tau Manifesto here
Check out some more information here
The following gif should give a geometric explanation of the number itself:
Please, tell me your opinion on the tau vs pi debate below!
Should we use tau? Should we stick with pi? Should eta
have a say in the matter?
Regardless, a happy Tau Day to all! I'll be eating full
circle-shaped foods today, instead of only half