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 does "nyckelharpa" mean?
“"Nyckel" means "key" in Swedish.”
Reference: Encyclopaedia Britannica
More from this shelf
What is a nyckelharpa?
The nyckelharpa is a Swedish keyed fiddle and is considered Sweden's national instrument.
Fact about the prairie dog language
Prairie dogs, those little pups popping in and out of holes on vacant lots and rural rangeland, are talking up a storm. They have different "words" for tall human in yellow shirt, short human in green shirt, coyote, deer, red-tailed hawk and many other creatures.