[Intro jingle]
"The Univeristy of Chicago"
"Resonant Frequency Bottle Experiment"
"No sound is heard"
A woman blows silently, and nods
"Air through an empty bottle"
The woman picks up a bottle, smiling,
and brings it to her lips.
["A" note below Middle C]
"220 hz" appears as she blows in it.
She smiles and puts down the bottle.
[clunk of the bottle on the table]
"Same bottle half filled with water"
The woman picks up the bottle.
[higher note]
"316 hz" appears as she blows in it.
She puts down the bottle and sits back.
[clunk of the bottle on the table]
"Same bottle filled to the top with water."
The woman picks up the bottle.
"624 hz" appears as she blows in it.
[Still higher note]
She puts down the bottle.
[Outro jingle]
"The University of Chicago"
"The University of Chicago"
"© 2014 The University of Chicago"