May 26, 2009 09:39:57

Caption: These plaques mark where representatives' desks used to be. John Adams' desk was at the node of a whispering gallery mode. That means he could hear even quiet conversations emanating from one particular spot elsewhere in the room...conversely, a person at that other spot could also hear Adams very easily.

Location: N 38d 53m 23.946s, W 77d 0m 31.990s

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