Where did anybody say accidentally? I said it could be improvised. Are you arguing just to argue?
Edit: I realize that the headboard story implies an "accidental" semiconductor. And yes that's totally possible.
Edit: I realize that the headboard story implies an "accidental" semiconductor. And yes that's totally possible.
TFA refers to, presumably an FM signal (because of the 3.3 meter band and what's usually broadcast there), so I doubt this story a bit.