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00:00:42
Learn how to cast images of the sun using nothing more than a piece of paper and your hands!

00:31:00
Developed in the early days of electronic instruments, the ondes Martenot, characterized by a fragile and intricate design, produces a wholly unique and deeply evocative sound that transfixes musicians and listeners alike.

00:06:50
Despite my better judgment, I invite TI staff educator Eric Muller to do one more set of activities���several things you can do with soda straws.

00:52:10
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: batteries.

00:05:59
TI staff educator Eric Muller hits me up for change, and then demonstrates a neat science activity using dry ice.

00:02:58
A Kenn Borek Basler (Turbo DC-3) taxis, takes-off, and flies low back over the field at Williams Airfield outside McMurdo Station, Antarctica

00:02:35
Shots on the Greenland Ice Sheet, including water running off

00:00:39
An introduction to the cuica (pronounced KWEE-kah), a small friction drum used in Brazil's Carnival parade.

00:06:39
A detailed demonstration of how to make this small friction drum, including a discussion of materials needed and how different kinds of materials make for cuicas that produce different sounds.