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Explore the twinkling of stars by beaming a laser pointer over a hot plate.
Listen to the sound of the sea.
A thin window of soap creates an ever-shifting array of colors.
Hear here—with the help of a giant parabolic “ear.”
This moving loop of chain sets up strange, hovering wave patterns.
Talk, clap, yodel, yell—your sounds bounce back at you.
Use your voice to make visible patterns in sand.
Play songs by banging a PVC pipe against your palm.
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.
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