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00:05:00
A short video created about an iconic exhibit at the Exploratorium, Ned Kahn's Chaotic Pendulum. An apparently simple set of pendulums is given an initial twist. Intuition says that the resulting motion of this simple system should be, if not simple, at least predictable. Intuition doesn't work with this device though, and its motion is an extremely complicated, and somewhat whimsical, twisting and turning that defies the predictive powers of physics.

00:05:20
Every night at Fort Funston, after all the people and dogs have left for the day, the bats come out to play. Dr. Gary Fellers of the U.S. Geological Survey tells us about bat vocalizations, the audio recordings he uses to monitor their travels, and the various species of bats that frequent this Golden Gate National Park.

00:04:34
Tauba Auerbach talks about randomness, the unity of art and science, and the way her Geometry Playground piece uses the beauty of geometry to draw visitors into a zone of comfort with math and their own artistic capabilities.

00:02:43
This After Dark event explored the diverse nomadic communities that thrive in the Bay Area including a mobile diner, food carts, an annual arts event in the desert, urban foragers, and Bay creatures that arrived by ballast water.

00:55:52
This week's secret ingredient was triangles! Cheer on the competitors in this zany science cook-off. Teachers compete before a live audience at the Exploratorium for the revered title, "Iron Science Teacher."

00:37:59
This week's secret ingredient was leaves! This week's secret ingredient was triangles! Cheer on the competitors in this zany science cook-off. Teachers compete before a live audience at the Exploratorium for the revered title, "Iron Science Teacher."

This week's secret ingredient was lightbulbs! Cheer on the competitors in this zany science cook-off. Teachers compete before a live audience at the Exploratorium for the revered title, "Iron Science Teacher."

00:37:00
Cheer on the competitors in this zany science cook-off. Teachers compete before a live audience at the Exploratorium for the revered title, "Iron Science Teacher." The Exploratorium's Iron Science Teacher competition showcases science teachers as they devise demonstrations around a particular "secret" ingredient—and today's secret ingredient was oil!

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.

00:03:20
This April Fools’ Day After Dark event exposed people’s threshold for taking chances. For example, visitors could test their belief in the laws of physics as a bowling ball swung toward them. They could also tackle a climbing wall, try their luck at casino games, and see if they had the nerve to carry out the instructions on a card they were given.