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00:04:22
Master weaver Stacy Speyer explains how her relationship to math morphed from casual curiosity into an intensive study of the multifaceted shapes known as polyhedra. After re-creating these fundamental geometric forms in different materials, she developed her own variations and juxtapositions.

00:01:22
In June, 2010, the Exploratorium will launch it's newest exhibition, Geometry Playground. Check out this teaser clip and come back for more on June 25th, 2010.

00:10:10
Put kids’ skepticism to work! Children’s book author David Schwartz explains how a class disagreed with the numbers in one of his math books, and set out to prove him wrong!

00:06:19
TI staff educator and math enthusiast Lori Lambertson describes how to find her favorite number.

00:08:30
TI staff educator Lori Lambertson explains her philosophy of integrating math and science in the classroom, and how she puts it into practice.

00:07:49
Children’s book author David Schwartz shares some creative ways kids and teachers have used his books to look at big numbers.

00:07:33
Children’s book author David Schwartz tells how big numbers got him excited about math when he was a kid.

00:05:56
TI staff educators Lori Lambertson and Tory Brady explore the math behind the morning paper.

00:08:15
Paul Stepahin is an Exploratorium exhibit developer who has a background in physics. He's worked on exhibits such as Elephant Turntable and Additor. Paul's knowledge and love of computer science and complex math has made him a resource for Exploratorium staff. In this program, Paul discusses the theoretical math P versus NP problem.

00:38:06
Celebrate Pi Day— an international holiday born at San Francisco’s Exploratorium. Join us for a live webcast where we examine the nature of everyone's favorite mathmatical constant, 3.1415926535…ad infinitum!