From: The Verge - Thursday Mar 14, 2019 07:30 pm
Command Line newsletter

Happy Pi Day! Just kidding. I'm here to tell you that everything you know about pi is a lie.

You see, pi, as a number, is bad. We get it by dividing the circumference of a circle by its diameter. But the thing is, we don’t actually use diameter to describe circles. We use the radius in nearly every piece of math. Plug that into our circle constant equation, and you get a new circle constant equivalent to 2π, or 6.28318530717..., which is colloquially referred to as tau, represented with the Greek letter τ.

I don't have time to get into this here, but just know that tau is way better. It makes math simpler, it makes radian angles make more sense, and it's basically superior in nearly every respect. 

Tau Day — the true circle constant holiday — is celebrated on June 28th (6/28). See you in 106 days!

-Chaim

TODAY IN PI

Pi Day is a lie: celebrate tau, the true circle constant instead

Here are 3.14 facts about pi

Google employee calculates pi to record 31 trillion digits

---> 31,415,926,535,897 digits, to be exact. Better start memorizing now if you want to be ready for next year's Pi Day.

TODAY ON THE VERGE

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Apple’s WWDC 2019 will kick off on June 3rd

Dropbox adds a three-device limit for free users

Microsoft announces Xbox Live for any iOS or Android game

Ikea’s smart blinds have been delayed until later in 2019 because of a firmware update

China is about to overtake America in AI research

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