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Exploratorium Teacher Institute staff member Sandra Robins presents the "Water-Bottle Membranophone."
Build a pinhole camera you can really get into.
Blowing air through a disk full of holes makes a tone.
Demonstrate resonance by shaking dried spaghetti.
Explore light and color from a hole new angle.
Enlarge your perspective on color.
Use index cards to show how light plus light equals dark.
Light plus light equals dark.
Find out how to make clear things invisible (temporarily).
Put your mind to tackling these classic engineering problems.
Turn sound into light and back again.
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