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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. 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. 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. 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! 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. 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! 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.