Archive for Leon Theremin

The Theremin

Posted in Music, Television with tags , , on November 9, 2017 by telescoper

The other day I was listening to the radio and heard a demonstration of someone playing the Theremin, an early example of an electronic instrument that can be played without touching it. Here’s the inventor Leon Theremin (who patented the device in 1928) showing what it can do:

I reckon it would be fun thing to show this to a group of physics students to ask them to figure out how the Theremin works! If you want  to know the answer to that question you can find it here. It’s a simple idea based on the idea that when the operator of the instrument movers his or her hands it changes the effective capacitance between them and the aerials.

Anyway, anyone who has ever watched the detective series Midsomer Murders will (perhaps unwittingly) have heard a Theremin. Here is how the theme tune  is played:

 

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