Unverified60% confidenceFactExact time
The theremin was invented by Russian physicist Leon Theremin in 1920; it controls pitch and volume through the distance of both hands from its antennas, making it one of the earliest instruments played without physical contact.
2
Sources
60%
Confidence
Long-term
Relevance
8/4/2026
First Seen
Sources
gesture.live：摄像头+手势，零设备演奏电子音乐
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