4 ms·

In his 'obscene' opus set in WW2, Thomas Pynchon proposed that the scrawling of Kilroy was in fact originally part of a schematic representing a "band-pass filt

• niccl 6y ago
  My father told me of once that when he was working at the RAF research Establishment at Farnborough, someone was was very pleased to have created a circuit which would plot a Chad on an oscilloscope. A little recursion...
• JeremyNT 6y ago
  V is a fascinating novel, and Kilroy shows up a few times. My mind went here immediately as well, as probably would happen for any reader of this work. WWII is just one of many eras that V dabbles in. I imagine many on HN with an appreciation for literature and history would enjoy it.
• foofoo55 6y ago
  That's a band-stop (notch) filter. The inductor lets through low frequencies, and the capacitor lets through the highs. Stuff in between gets blocked.