# There's a Hidden Connection Between *Pi* and Quantum Mechanics

*Pi*and Quantum Mechanics

Physicists have uncovered a hidden connection between a famous 350-year-old mathematical formula for *pi,* everyone’s…

There's a Hidden Connection Between *Pi* and Quantum Mechanics

Physicists have uncovered a hidden connection between a famous 350-year-old mathematical formula for *pi,* everyone’s…

Someone Made a Video of The Count Counting Pi to 10,000 Decimal Places

Here's a weird little corner of the internet for you to devour. YouTube user Crysknife007 is well-known for hours-long…

16 Fun Projects for Your New Raspberry Pi

The new Raspberry Pi is smaller, cheaper and more energy efficient—not a bad way to update a best-selling device.…

How to Calculate Pi with a Shotgun

We all know pi, at least the first three digits of it. If for some reason you forgot them though, there's good news.…

Visualization reveals how the number Pi looks (spoiler: Pretty!)

Cristian Ilies Vasile has created the coolest visualization of Pi I've seen. First he divided a circle in 10 segments,…

Why *Pi* is a stupid number and people are dumb to celebrate it

Recreational *mathemusician* Victoria Hart—aka Vi Hart—gives overwhelming (and fun!) evidence that clearly demonstrates…

When it comes to calculating pi, two wrongs might make a right

A great deal of time has been spent working out the facts about pi. At one point, the "facts" were wrong. And a…

You've Never Seen Pi Look So Interesting in So Many Ways

Martin Krzywinski is an artist. No, wait, he's a mathematician. Actually, scratch that: he's both, and he can make the…

Why don't the Simpsons live in a base 8 world?

The latest episode of Numberphile delves into a particularly interesting reference to pi from the *Simpsons* episode "Mar…

Experience the number π as you never have before

Unless, that is, you're a synesthete. (You're about to experience a number through music!)

Will you be having a pi party?

Do you feel like having a once-every-thousand-year party? You only have a couple of years to set it up. Some of us will…

7 Numbers That Are Just as Cool as Pi

We may be celebrating Pi Day here at io9, but we would be irrational to deny that there’s more to mathematical…

Pi Was Almost 3.2

When an amateur mathematician from Indiana managed to solve one of mathematics' great problems—squaring the circle—he…

How Many Digits of Pi Do You Really Need?

Pi is famously calculated to trillions of digits—but how many of them do we really, *really* need? This video…

Wash Your Scotch Down With a Heaping Helping of Pi

How many numbers of Pi can you rattle off? Probably not many. Probably even fewer if you're drunk. But you can at…

Artist Skywrites the First Thousand Digits of Pi over San Francisco

Any eyes in San Francisco that weren't focused on Apple's announcements yesterday might have noticed something peculiar…

The first 4,000,000 digits of Pi, visualized in a single image

Pi is what's known as an irrational number, which means that its decimal representation is both infinite and…

Who says you can't use maths in your daily life?

Pro-tip on pi-tips: this will come off as even more clever if you actually ordered pie. Or a pi pie.

If You Read Pi Long Enough, You'll Find *Hamlet*

It's Pi Day! Which, okay, whatever, if you were really hardcore about celebrating you'd figure out what nanosecond…

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