the joy of mathematics A brilliant visual illustration of Pi using pizzas and crust Gareth Branwyn

pi day Cool project: "I used pi to compose a song that lasts for 999,999 hours" Mark Frauenfelder

pi day Pi was almost 6.28… Mark Frauenfelder

sugar pie desanto Sugar Pie Desanto sings "Rock Me Baby" Jason Weisberger

edible intersectionality As usual, Vi Hart's annual Pi Day video is the best way to ring in 3/14 Cory Doctorow

pi day Pie-Modding 101: turning store-bought desserts into amazing nerd-chow Cory Doctorow

pi day Where does your birthday land on pi? David Pescovitz

pi day You can calculate Pi by dropping toothpicks on a wood floor Mark Frauenfelder