What Tau Sounds Like – Video

June 28, 2011 |  by  |  Video

After the sound of Pi this time musician interprets the mathematical constant Tau to 126 decimal places. Michael Hartl is a mathematician on a mission, a mission to get people away from using Pi and to start using Tau. His manifesto opens:

Welcome to The Tau Manifesto. This manifesto is dedicated to one of the most important numbers in mathematics, perhaps the most important: the circle constant relating the circumference of a circle to its linear dimension. For millennia, the circle has been considered the most perfect of shapes, and the circle constant captures the geometry of the circle in a single number. Of course, the traditional choice of circle constant is ?—but, as mathematician Bob Palais
notes in his delightful article “? Is Wrong!”,1 ? is wrong. It’s time to set things right.

Tau is the ration of a circumference to the radius of a circle and defining circles by their radius is more natural and that Pi is a 2-factor number but with Tau everything is based of a single unit–three quarters of a turn around a Tau-defined circle is simply three quarters of a Tau radian.


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