While building a simpler model for particle interactions, physicists found a new representation involving pi—not a new value for pi, and not a replacement for the one you learned in school.

Add Yahoo as a preferred source to see more of our stories on Google. 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 ...

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 ...

Ramanujan’s elegant formulas for calculating pi, developed more than a century ago, have unexpectedly resurfaced at the heart of modern physics. Researchers at IISc discovered that the same ...

Pi Day is upon us again, for those who note today’s date in the format 3/14 (March 14). But rather than talk about Pi Day itself, as I did last year, this year I want to talk about Pi and mathematical ...