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00:10:00
What is sound? How high a pitch can you hear? Can two sounds add up to no sound? Explore these questions and more in this resonant presentation.

00:35:00
Listen as we demonstrate what all those sound jargon words mean. If you���ve ever wondered what frequency, wavelength, amplitude and other words of sound mean, we���ll explore them in this demo-packed webcast.

00:50:00
Cheryl E. Leonard is a composer, performer, and instrument builder who creates instruments from unusual raw materials���everything from glass shards and pinecones to glaciers and box springs. Here she performs Selections from Antarctica: Music from the Ice with Phillip Greelief, as part of the Exploratorium���s Resonance series.

00:00:34
Find your rhythm. Come play at the Exploratorium! Now open at Pier 15 in San Francisco.

00:09:54
Our team of middle school students from the Aim High program investigates new technologies that use our unique physical traits as tools for identification. Eye-D explores the possibilities of retinal scans.

0:36:12
Exploratorium staff members Paul Doherty and Noel Wanner describe more of their experiences on Mt. Erebus, and active volcano in Antarctica