Cristian Vasile also did a random walk using pi digits, mapping the image over the Earth's surface. Bremer's graphics follow pi as it "walks" out 100, 1,000, 10,000, 100,000 and finally 1 million ...

However, rather than proving pi is irrational directly, it's also possible to confirm irrationality using a different ...

Happy Pi Day! We celebrate pi on March 14 because 3-14 gives the first three digits of this famous number. But what’s the big deal about pi anyway? Why does it get a day? Well, for starters, it ...

The circle number pi has fascinated humanity for thousands of years—and always causes surprises. hikmet kose/Getty Images. The number pi (π) appears in the most unlikely places.

Originally defined as the ratio between the circumference of a circle and its diameter, pi — written as the Greek letter π — appears throughout mathematics, including in areas that are ...