Pi vs. Tau

Mathematics is not a stagnant field of study. Many battles are fought over definitions and proofs of the concepts. Pi is one such concept which has been used since the days of Ancient Greece.  However, there is another way, one that is less confusing when working with radians and trigonomitry.

See what Vi Hart has to say: Pi is (still) Wrong

Also Check out the Tau Manifesto: Tau Day

What do you think?