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Architecture
The Whispering Gallery Is An Acoustic Oddity
Listen In On A Whispering Gallery
In the lower concourse of Grand Central Terminal, you can hear a whisper across the room.
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Key Facts In This Video
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There is a whispering gallery in the lower concourse of Grand Central Station. 00:53
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You can speak into a corner of a whispering gallery and it will be heard in the opposite corner by someone else. 01:23
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Sound travels along the arched ceilings of whispering galleries. 02:00
Go Inside An Anechoic Chamber
Can silence drive you crazy? Find out what it's like inside an anechoic chamber, a room that absorbs echoes.
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Key Facts In This Video
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The foam wedges inside an anechoic chamber cause low-frequency sounds to bounce until they dissipate. 00:48
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People have reported claustrophobia, disorientation, dizziness, nausea, and even aural hallucinations inside anechoic chambers. 03:06
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See if you can hear the sounds of Veritasium's heartbeat in an anechoic chamber: 04:54
The Science of Sound
How does sound travel, anyway? A short lesson in physics.
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