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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- How big is the Great Stalacpipe Organ?
“The Great Stalacpipe Organ covers about 3.5 acres.”
Reference: Luray Caverns
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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.
How big do Rottweilers get?
Male Rottweilers typically weigh between about 95 and 135 pounds, making them powerful, heavily muscled dogs that need early training and socialization.