Has not one experienced this with radio whine when one moves about the room, and the static shall sing? So my Termen already had observed in 1919 at Yoffee Institute, when he is inventing said instrument. This is one's theremin, what my Termen called ethervox or termenvox, voice of Termen.
"How," someone will ask me, "can such a large topic be contained in such a small book?" Thankfully, I can read the quote on the cover to my interlocutor.
the first footprint on strange worlds, / and sometimes the last.