Who invented the theremin?
The theremin was invented in 1920 by Russian physicist Léon Theremin while he was researching sensors that detect motion.
Reference: Waterphone
The theremin was invented in 1920 by Russian physicist Léon Theremin while he was researching sensors that detect motion.
Richard Waters invented the waterphone in the 1960s and patented it in 1975.
A theremin has two antennas. Moving one hand near the vertical antenna changes the pitch, and moving the other near the loop antenna changes the volume.