
Whispering gallery
Room in which sound echoes and is magnified in an unusual way

Room in which sound echoes and is magnified in an unusual way
A whispering gallery is usually a circular, hemispherical, elliptical or ellipsoidal enclosure, often beneath a dome or a vault, in which whispers can be heard clearly in other parts of the gallery. Such galleries can also be set up using two parabolic dishes. Sometimes the phenomenon is detected in caves.
Read on Wikipedia · Image Femtoquake, CC BY-SA 3.0
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