Science & Environment

25th Annual Pi Day

March 14th, 2013

Thu, Mar 14, 1–3 p.m.

Exploratorium (in front of Pier 15)

Take an afternoon to delve into the never-ending number pi. The Exploratorium will feature actual slices of pie, a pi parade, and even skywriting the first 1,000 numbers in pi’s sequence – 10,000 feet in the air.

Free, 415-528-4360,

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