Who invented the theremin?
The theremin was invented in 1920 by Russian physicist Léon Theremin while he was researching sensors that detect motion.
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- What is the Great Stalacpipe Organ?
“The Great Stalacpipe Organ in Luray Caverns, Virginia, makes music by tapping ancient stalactites, and Leland Sprinkle spent three years building it.”
Reference: Luray Caverns
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What is the largest musical instrument in the world?
The Great Stalacpipe Organ is the world's largest musical instrument.
A sad fact about the pentagon
The Pentagon, in Arlington, Virginia, has twice as many bathrooms as is necessary. When it was built in the 1940s, the state of Virginia still had segregation laws requiring separate toilet facilities for blacks and whites.