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Foreword from the Associate Editor [Historical Corner]

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1 Author(s)
Pelosi, Giuseppe ; University of Florence, Via di Santa Marta, 3, I-50139, Italy

In this issue, we host a paper by Pavel Nikitin on Leon Theremin (1896–1993), a Russian inventor who was in the US for quite a long time (from 1927 to 1938). Theremin discovered that the effects of moving objects on the capacitance of nearby circuits could be used to tune a resonant circuit to different frequencies. He then discovered that the movement of a vibrating membrane could be used to change - through capacitive coupling - the input impedance of a monopole antenna the backscattering from which, if illuminated via a continuous wave, would in turn be modulated.

Published in:

Antennas and Propagation Magazine, IEEE  (Volume:54 ,  Issue: 5 )