Who invented the theremin?
The theremin was invented in 1920 by Russian physicist Léon Theremin while he was researching sensors that detect motion.
Reference: Encyclopaedia Britannica
The theremin was invented in 1920 by Russian physicist Léon Theremin while he was researching sensors that detect motion.
The jaw harp is one of the world's oldest instruments, and bone jaw harps about 4,000 years old have been found in China.
10 percent of the Russian government's income comes from the sale of vodka.