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00:02:25
The science behind the Cup Speaker activity, including how electromagnets work, and how in this activity the magnet pushes the bottom of a cup back and forth, vibrating the air and creating sound.

00:05:32
Our host, Stephanie Chasteen, shares some fun facts and activities having to do with the science of sound.

00:05:27
Learn how to build a version of a Brazilian instrument called the cuica, which demonstrates principles of sound. This podcast was created collaboratively in a teacher workshop at the Exploratorium.

00:18:09
Terje Isungset is one of Europe's most accomplished and innovative percussionists. With over two decades experience in jazz and Scandinavian music his work travels far beyond traditional boundaries. He's become more like a cross between a sound artist and a shaman. Isungset crafts his own instruments from natural elements found in Norway such as arctic birch, granite, slate, and even ice.

00:38:04
We talk to photographer John Weller, who spent the austral summer 2008 scuba diving under the ice in Antarctica.

00:02:40
This video captures the energy and excitement of traversing across the sea ice to the Offshore New Harbor Field Camp.

00:04:45
In this video, ride in a special Mattracks truck across the ice sheet with geologist Christina Riesselman as she travels with ANDRILL Staff Scientist Richard Levy from McMurdo Station to the ANDRILL drill site. They investigate the truck’s special wheels, observe beautiful panoramas of the Transantarctic Mountains, and hear the drill running at the drill site.

00:00:31
An introduction to the bee hummer, a simple musical instrument that sounds like a swarm of buzzing bees when you spin it around.

00:06:08
A detailed demonstration of how to make the bee hummer, including a discussion of materials needed, troubleshooting tips if your hummer isn't humming well, and a demonstration of how the instrument should be played.

00:01:27
The science behind this simple musical instrument, including the concepts of sound, vibration, and amplification.