Instances might change on a dime in our tumultuous world, however one factor at all times stays the identical: pi, the irrational-mathematical fixed, the ol’ circumference/diameter cut up, the massive 3.14159265358979323…. you get the concept.
As immutable as pi is, so is Pi (π) Day, a celebration that San Francisco’s Exploratorium invented again in 1988 that has turn into a world sensation. Happening on March 14 yearly, Pi Day within the Bay usually includes math-themed actions and shows, a pi parade with a brass band that begins at 1:59 p.m. (the numbers that observe 3.14) after which literal pie – free slices of pizza for everybody who’s paid museum admission.
In 2025, the Exploratoriuim is promising a “celestial twist” to the festivities, as the vacation happens on the identical day as a complete lunar eclipse – the spookily named “Blood Moon,” which is able to seem as darkish pink within the sky. What’s being deliberate? Effectively, up to now there are demonstrations of how feminine engineers and astronauts use pi of their space-exploration work. Other than pizza, there will even be Moon Pies to scarf up. And that’s most likely sufficient pie for in the future for individuals watching their very own circumferences.
Particulars: Occasion takes place noon-5 p.m. March 14 at Pier 15 (Embarcadero at Inexperienced St,), San Francisco; $40 daytime tickets, exploratorium.edu/pi
Initially Printed:
