Coolest Projects 2026 opens globally for young makers; a free online showcase that matches International Day of Education’s youth-led theme.

March 14 is celebrated as both Pi Day and Pie Day. Pi Day honors the mathematical constant π (pi), a symbol of the relationship between a circle's circumference and diameter, while Pie Day is a fun ...

Raspberry Pis are useful for all sorts of tasks, and there are plenty of potential projects you can use them for. Here are some to get you started.

Pi isn’t just a term you see in math problems. It’s a special number with its own unique day. Pi Day is celebrated every year on March 14 because the date aligns with the first three digits of pi – ...

March 14 — a day you’re more likely than most others to eat — or throw — a pie and get a reduced price on your pizza. It’s all in celebration of pi (Greek letter π), the mathematical constant and ...