December 7 , 2020
1359 days
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- It is a musical instrument.
- It is considered as the world’s first electronic instrument.
- It turned 100 years old in 2020.
- It was developed by Leon Theremin.
- Leon Theremin is credited to variety of discoveries from early drum machines to US airplanes.
![](https://www.tnpscthervupettagam.com/assets/home/media/general/original_image/7-211.jpg)
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