Really? Anything in particular about ColorOS you disliked? I’m on my 3rd Oppo and don’t mind it but also not very picky.

Any reason for playdate vs a Miyoo or Anbernic system?

How to Invent Everything is a good, humorous take on restarting society from first principles. It’s obviously not aimed at what you are going for but it has plenty of good information on all of those topics. Next search for Military manuals.

I would also recommend attending some courses if you haven’t done so already. It is great to research this topic, but many of those points you list require skill acquisition that can only be learned out field.

Have you checked the author doesn’t have it linked on her researchgate or lab website? As in, it might already be available, just not easily searchable.

I use YouTube Pro and it has this feature.

BBC Link https://www.google.com/url?sa=t&source=web&rct=j&opi=89978449&url=http://news.bbc.co.uk/2/hi/asia-pacific/4396831.stm&ved=2ahUKEwiBpPGe49uAAxUHLzQIHdJ-DrkQFnoECBUQAQ&usg=AOvVaw2udxqtgzunTpgN2H6uLfd9

This happened when car companies brought out fingerprint car alarms. Thieves would just cut your finger off and steal your car.