Comment Reminds me of WWII Britain & the "battle of th (Score 1) 114
I've read Professor R.V. Jones "The Wizard War" (originally published in Britain as "Most Secret War"), and this reminds me very much of the story of the electronic warfare between England and Germany in WWII. This device reminds me very much of the cavity magnetron oscillator, sort of an "acoustic-frequency "magnetron"", not the best descriptor perhaps, but that's what immediately comes to my mind.