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A comment on Russian Espionage and Electromagnetic Fields: The Story of the Theremin (2017).

Re:Russian Espionage and Electromagnetic Fields: The Story o... by 4cao on Tuesday May 26, 2020 @10:34AM (#23311635)
There's also the matryomin: a single-antenna theremin inserted into a matryoshka doll.

The Guinness world record for the largest theremin concert was set by a matryomin ensemble:

https://www.youtube.com/watch?v=OnlsfeRNw1I

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Re:Russian Espionage and Electromagnetic Fields: The Story o... by 52-6F-62 on Tuesday May 26, 2020 @10:44AM (#23311773)
Okay that was fascinating. Thank you.
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