Chapter 1
The backward celestial ceiling
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Answer
Chapter 2
Secrets of the whispering gallery
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Answer
Chapter 3
Hidden tracks and secret rooms
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YOUR GOAL
Master of Secrets of Grand Central
Ch 2 · Secrets of the whispering gallery
marcus Grand Central Whispering Gallery
Step inside Grand Central, near the Oyster Bar Find the vaulted arches, wherever you are Whisper a secret, to the opposite wall Sound waves carry it, so you hear it all
Fun Fact
Whispering physics: The scientific name for the acoustic effect in Grand Central's whispering gallery is a 'whispering gallery wave' or whispering-gallery mode.
Glossary
whispering gallery (noun)
An architectural structure, such as a dome or vault, in which whispers can be heard across great distances. Rafael Guastavino designed the tiled archway outside Manhattan's Oyster Bar to create this acoustic effect.
An architectural structure, such as a dome or vault, in which whispers can be heard across great distances. Rafael Guastavino designed the tiled archway outside Manhattan's Oyster Bar to create this acoustic effect.
Quiz
Famous jazz musician Charles Mingus used Grand Central's whispering gallery to do what?
Quiz
Which famous Grand Central restaurant is located directly next to the whispering gallery?
Quiz
Who designed the interlocking tile arches that create Grand Central's whispering gallery?
Quiz
In which country was the architect of Grand Central's whispering gallery tiles born?