This is addressed in the article. While theoretically relevant to some recording applications, (overdubbing a string section one violin at a time, why would you want to do that?) this kind of intermodulation distortion can only harm the reproduction of mixed material.
Oh, superb, thanks! Who would have thought that the UAE was a significant importer of hay from the US? That raises yet more questions.
A further random aside: i have no idea what alfalfa is. It seems to be a well-known plant in the US, but i don't think we have it in the UK. Sources tell me we call it 'lucerne', and we don't grow it. It seems we grow various beets and brassicas instead, plus maize and ryegrass. Perhaps because of the climate? Although perhaps just through absentmindedness:
Nor are they addressing the reproduction of the classes shown by historical materialism to be just as fundamental a building block as the legalistic ones.
There are a few human quality estimate corpuses out there. I know a year or two ago they were re-running the quality assessments with RED camera footage. Check out the NYU/UTexas/Waterloo labs working on SSIM, I bet you can download it.
I also travel with custom imaging equipment that sometimes has exposed PCBs. My recommendation is to carry it on, so that you can open it and explain it. Twice I have approached the gate well ahead of my flight, and offered to show TSA the equipment. Both times they took only a cursory glance at it.
I'm surprised they don't just mandate the spectrogram swab on every piece of electronics that comes through, consumer or custom.