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### Tau Day

One of the major contributions Archimedes made to mathematics was his method for approximating the value of Pi, the ratio of the circumference of a circle to its diameter. There is now an online movement to celebrate Tau, the number you get when you use a circle's radius instead. Tau is approximately 6.28, instead of the familiar constant Pi, which is 3.14. There is much opinion and controversy surrounding this new movement. Nevertheless, Tau Day is celebrated on June 28. Here are some Tau resources for you to explore.
 Geeking Out on Pi Day: For the Love of Pi and the Tao of Tau [Source: PBS News Hour] Happy Tau Day, everybody! [Source: CBS News techtalk] How to celebrate Tau Day [Source: Network World] In case Pi Day wasn't enough, it's now 'Tau Day' on the Internet [Source: CNN.com Tech] No, really, pi is wrong: The Tau Manifesto by Michael Hartl [Source: YouTube Video] On National Tau Day, Pi Under Attack [Source: Fox News] Pi is Wrong! by Bob Palais [Source: The University of Utah: Mathematics Department] Pi's nemesis: Mathematics is better with tau [Source: New Scientist] 'Tau day' marked by opponents of maths constant pi [Source: BBC News: Science and Envronment] Tau Day: An Even More Fundamental Holiday Than Pi Day [Source: PCWorld GeekTech] Tau day: What tau sounds like [Source: New Scientist] Tau Day: Why you should eat twice the pie [Source: CNN Blogs] The Tau Manifesto by Michael Hartl, founder of Tau Day and author of The Tau Manifesto. Why we have to get rid of pi for the sake of good math [Source: io9.com]
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Last Modified 05 Mar 2015