1 00:00:00,309 --> 00:00:05,522 [Intro jingle] "The Univeristy of Chicago" 2 00:00:05,522 --> 00:00:07,936 "Resonant Frequency Bottle Experiment" 3 00:00:08,346 --> 00:00:11,833 "No sound is heard" 4 00:00:12,783 --> 00:00:17,451 A woman blows silently, and nods 5 00:00:17,451 --> 00:00:22,482 "Air through an empty bottle" 6 00:00:22,482 --> 00:00:24,695 The woman picks up a bottle, smiling, and brings it to her lips. 7 00:00:24,695 --> 00:00:27,261 ["A" note below Middle C] "220 hz" appears as she blows in it. 8 00:00:27,261 --> 00:00:29,080 She smiles and puts down the bottle. [clunk of the bottle on the table] 9 00:00:29,080 --> 00:00:32,581 "Same bottle half filled with water" 10 00:00:32,597 --> 00:00:33,958 The woman picks up the bottle. 11 00:00:33,958 --> 00:00:36,462 [higher note] "316 hz" appears as she blows in it. 12 00:00:36,462 --> 00:00:38,647 She puts down the bottle and sits back. [clunk of the bottle on the table] 13 00:00:38,647 --> 00:00:41,693 "Same bottle filled to the top with water." 14 00:00:41,693 --> 00:00:42,955 The woman picks up the bottle. 15 00:00:42,955 --> 00:00:45,819 "624 hz" appears as she blows in it. [Still higher note] 16 00:00:45,819 --> 00:00:46,794 She puts down the bottle. 17 00:00:46,794 --> 00:00:48,694 [Outro jingle] "The University of Chicago" 18 00:00:48,694 --> 00:00:50,554 "The University of Chicago" "© 2014 The University of Chicago"