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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

0:18:34
The first in a series on automotive science, this webcast will explain all about braking systems. How do disc brakes work? Are there other kinds of brakes? What kind of maintenance should you be doing? Join High School Explainers as they visit a repair shop.