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00:05:30
Goerte once described architecture as "frozen music," observing their common foundation in mathematics, geometry, and aesthetics. But what is the sound of a skyscraper? A warehouse? A bridge? Here we explore the connections between architecture and music, juxtaposing San Francisco buildings with musical compositions influenced by architecture. This experimental segment of Science in the City asks more questions than it answers.

00:46:01
Cheer on the competitors in this zany science cook-off, where teachers compete before a live webcast audience for the sought-after title, "Iron Science Teacher."

Like the Golden Gate Bridge, San Francisco's cable cars are world-renowned as emblems of our city. Join us for a ride down Hyde Street as we investigate what makes these historic cars go—and more importantly, stop—on the steep hills of San Francisco. To learn more visit the Cable Car Museum website: http://www.cablecarmuseum.org/index.html

00:01:51
Construction of Pier 15 from March 11th through May 27th of 2011. Images courtesy of Nibbi Construction. Music by Wayne Grim.

00:04:12
Red means stop, green means go—simple enough, right? But traffic lights are just a small part of the sophisticated science of traffic engineering. San Francisco Traffic Engineer Eddie Tsui takes us on a wild ride through his world, from computer simulations to ever-evolving detection technologies.

This magical piece integrates live performance and projected animation. As artist Miwa Matreyek moves behind the screen, her shadow becomes the protagonist in a fantastical world of her own creation.

00:03:50
You've probably heard about the Texas-sized island of plastic trash swirling in the center of the Pacific Ocean. But did you know we have our own pockets of floating trash right here in San Francisco Bay? Join us on a trash safari with Sealife Convervation—a research and education group studying the volume, distribution, and sources of trash in the San Francisco and Monterey Bays.

02:50
Josh Short from the Cardboard Institute of Technology walks us through their latest installation, Subterrain, on the Exploratorium floor!

00:05:00
Geocaching is a high-tech treasure hunting game played throughout the world by adventure seekers equipped with GPS devices. The basic idea is to locate hidden containers, called geocaches, outdoors and then share your experiences online. We take a trip around San Francisco and examine what treasures are hidden in plain sight and talk to a few geocachers to find out what all this means.

00:04:07
Twenty-seven miles beyond the Golden Gate, the craggy Farallon Islands have been home to fur-seal hunters from Russia, a gold-rush-era egg business, and even a nuclear waste dump. Today they’re home to 250,000 sea birds, not to mention seals, sea lions, whales, and sharks. What makes these stark-looking islands so attractive to wildlife?