Abd ul-Rahman Lomax wrote:
I understand that the reaction may be acoustically noisy, so a
little sensitive microphone, an imaging setup to record video of the
cathode, many possibilities.
I think Pam Boss and others have done this.
It reminds me a little of the Precambrian era in microprocessor
programming when people put transistor radios on top of Radio Shack
Trash-80 computers to see if the program was stuck in a loop. When
the screen froze you would listen to see if the RF noise on the radio
was repetitive.
- Jed