In new research, physicists uses principles from quantum mechanics to build a new model of the abstract concept of pi. Or, more accurately, they built a new model that happens to include a great new ...

Celebrate Pi Day and read about how this number pops up across math and science on our special Pi Day page. For more than two millennia, mathematicians have produced a growing heap of pi equations in ...

Most people first learn about the number π (pi) in school, usually when studying circles. It is often written as 3.14, but this is just an approximation. In reality, pi is an irrational number, ...

Nobel laureate in Physics Richard Feynman enjoyed memorizing pi (π). Starting at the 762nd decimal place, the number 9 appears six times in a row. An anecdote tells of how Feynman enjoyed reciting the ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

The holiday was created in 1988 by Larry Shaw, a physicist at the Exploratorium science museum in San Francisco.