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

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.

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.

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.

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

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

Shots on the Greenland Ice Sheet, including water running off

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

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.