20th Anniversary of Pi Day at the Exploratorium (Webcast)

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Date: March 13, 2008

Running Time: 01:53:32

The Exploratorium celebrates the 20th anniversary of Pi Day with a pie-throwing contest, Pi Day exhibits in Second Life, and more activities honoring everyone's favorite mathematical constant.

Pi = 3.14159 (and an infinite number of decimal places after that). Pi Day, which is celebrated on 3/14 at 1:59 p.m., is an international holiday that was born at the Exploratorium.

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## Archive

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00:00:46 | A Taste of Pie! (Video) 2/5/2010 Celebrate Pi Day— an international holiday born at San Francisco’s Exploratori ... |

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