Amazon.com has the perfect plate for the day
Celebrations
Exploratorium (San Fransisco, CA) – The birthplace of the holiday
Geek Freak Weekend (Princeton, NJ) – The birthplace of Einstein
Pi Across America – word problems and suggested classroom activities
Morton Seakhouse – Key Lime Pie for $3.14 today, normally $10.50
Detractors
Happy Half Tau Day! – Radius’ have their fans too… they use Tau instead… competing merchandise is available… but no recipes.
On Pi Day, is ‘pi’ under attack? (CNN.com) – Link to the “What pi sounds like” video.
Collections of Recipes
Celebrating The Pies Of March (NPR) – Pizza on a pie crust anyone?
10 Delicious Pies For Pi Day! (YumSugar.com) – including a breakfast pie.
Pi Day: Ten Fave Vegan Pies! (Babble.com) – Fruit, custard, cream, and mousse goodies.
Science Blog 2010 Pie Day Contest Winners
Try some of these options to celebrate Pi all day long:
Entree
Greek Lamb Pie (Food.com)
Shrimp Pie (RealCajunCooking.com)
Cupcake Tin Pork Pie (Epicurious.com)
Vegan Seven Layer Tortilla Pie (VeganCoach.com)
Dinner Table Diplomacy 