Happy Half-Tau day! This is a project about the TRUE circle constant, and the one that should be known to the millionth digit. Tau. Read the project and learn a thing or two about Tau and it's many uses over the incorrect Pi! Pi is (still) wrong: http://www.youtube.com/watch?feature=player_embedded&v=jG7vhMMXagQ Tau Manifesto: http://tauday.com/