Who invented the theremin?
The theremin was invented in 1920 by Russian physicist Léon Theremin while he was researching sensors that detect motion.
Reference: Luray Caverns
The theremin was invented in 1920 by Russian physicist Léon Theremin while he was researching sensors that detect motion.
The Great Stalacpipe Organ in Luray Caverns, Virginia, makes music by tapping ancient stalactites, and Leland Sprinkle spent three years building it.
The daffodil is the flower for the 10th wedding anniversary.