Happy Tau Day, everyone! Every June 28, a rogue fleet of math nerds makes its case for the abolition of arguably the most important irrational number in the world: pi. These men and women of the "tau" ...

Pi, the circle constant in mathematics, is under attack, The Advertiser reported Tuesday, with an underground movement rounding up support for its successor, Tau. Pi is the "irrational" infinite ...

Today is Pi Day. Math nerds and geometry aficionados will be celebrating the mathematical constant that describes the relationship between the circumference of a circle and its diameter. For those who ...

Today marks the second annual celebration of pi's nemesis, tau, which is two times the size of pi: 6.28 -- which handily enough is today, June 28. Tau is identical to pi in every way, it's just twice ...

As the world celebrates Pi Day on Friday, a movement is growing that claims pi — or 3.14, the ratio of a circle's diameter to its circumference — is wrong. The Tau Day movement supporters — also known ...

Today marks the second annual celebration of pi's nemesis, tau, which is two times the size of pi: 6.28 -- which handily enough is today, June 28. Tau is identical to pi in every way, it's just twice ...