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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.

Project: Pi Day | Browse All

Date: March 14, 2012
Format: Demonstration / Activity
Category: Everyday Science
Subject(s): General Science
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.

Project: Pi Day | Browse All

Date: March 13, 2008
Format: Event
Category: Popular Culture
Subject(s): General Science, History
Running Time:
00:04:05
3/14 at 1:59 pm It's also Einstein's Birthday From San Francisco to New York, in museums, universities, classrooms and in the privacy of one’s own home - and of course on Second Life - people are celebrating Pi. In 2008, we celebrate the 20th anniversary of Pi Day, an international holiday born at San Francisco’s Exploratorium.

Project: Pi Day | Browse All

Date: February 20, 2008
Format: Event
Category: History of Science
Subject(s):
Running Time:
1:02:13
In this zany competition teachers will have ten minutes to create a science activity from a special St. Patrick's Day secret ingredient-things that are green!

Project: Iron Science Teacher | Browse All

Date: March 17, 2006
Format: Demonstration / Activity
Category: Everyday Science
Subject(s): General Science
Running Time:
02:03:07
Celebrate the spring equinox at the Mayan ruins of Chichén Itzá, in the state of Yucatan, Mexico. The alignment of the sun on this day creates the appearance of a shadow, in the form of a serpent, that descends the main staircase of the great pyramid. The Live@Exploratorium crew is there to capture the snake on film and to speak with local archaeologists, archeoastronomers, and solar scientists about this amazing phenomenon.

Project: Ancient Observatories: Chichén Itzá | Browse All

Date: March 21, 2005
Format: Expedition
Category: History of Science
Subject(s): Astronomy/Space Science, General Science
Running Time:
1:00:11
Watch as the best teachers on the planet battle it out for the title of Iron Science Teacher. In this zany competition teachers will have ten minutes to create a science activity. This week's "secret" ingredient - Valentine gifts!

Project: Iron Science Teacher | Browse All

Date: February 11, 2005
Format: Demonstration / Activity
Category: Everyday Science
Subject(s): General Science
Running Time:
0:59:08
Watch as the best teachers on the planet battle it out for the title of Iron Science Teacher. In this zany competition teachers will have ten minutes to create a science activity from a special Valentine's Day secret ingredient.

Project: Iron Science Teacher | Browse All

Date: February 14, 2004
Format: Demonstration / Activity
Category: Everyday Science
Subject(s): General Science