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Pi Day
Pi Day: 2012 (Webcast)
Date: March 14, 2012
Running Time: 00:30:00

Meet Pi Day founder Larry Shaw, and join hosts Ron Hipschman and Lori Lambertson to find out what’s so special about pi—the irrational number that results from dividing the circumference of a circle by its diameter. Learn the history of pi and how pi is calculated, be entertained by pi limericks, and see a cool pi demo. Pie.
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. Watch some Pi Day celebrations.

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Archive

00:30:00
Pi Day: 2012 (Webcast)
3/14/2012   
Meet Pi Day founder Larry Shaw, and join hosts Ron Hipschman and Lori Lambertson to find o ...
 
00:00:46
A Taste of Pie! (Clip)
2/5/2010   
Celebrate Pi Day— an international holiday born at San Francisco’s Exploratorium. Join us ...
 
00:38:06
Pi Day Celebration (Webcast)
3/14/2009   
Celebrate Pi Day— an international holiday born at San Francisco’s Exploratorium. Join us fo ...
 
01:53:32
20th Anniversary of Pi Day at the Exploratorium (Webcast)
3/13/2008   
The Exploratorium celebrates the 20th anniversary of Pi Day with a pie-throwing contest, Pi ...
 
00:04:05
Celebrating the Anniversary of Pi Day at the Exploratorium (Clip)
2/20/2008   
3/14 at 1:59 pm It's also Einstein's Birthday From San Francisco to New York, in ...