Echo consists of two concave elliptical parabolas carved into a monolith that reflects and projects sound, allowing words spoken into one stone to be heard by listeners at the other. Echo was inspired by the Three Sisters Radio Towers, formerly located nearby on Columbia Pike and Courthouse Road South. Built in 1913 by the Navy as cutting edge technology, the Towers broadcasted the first trans-Atlantic radio signal in 1915, connecting Arlington with the Eiffel Tower.
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Friday, July 12, 2013
Penrose Square
Echo consists of two concave elliptical parabolas carved into a monolith that reflects and projects sound, allowing words spoken into one stone to be heard by listeners at the other. Echo was inspired by the Three Sisters Radio Towers, formerly located nearby on Columbia Pike and Courthouse Road South. Built in 1913 by the Navy as cutting edge technology, the Towers broadcasted the first trans-Atlantic radio signal in 1915, connecting Arlington with the Eiffel Tower.
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