If Tesla never rose, the world EV market outside of Tesla would have seen precisely the same rise.

would have seen the same rise _eventually_. I know from a friend that worked R&D at a major car company that Tesla really lit a fire under then and 'forced' them to push their own EV experiments from proof of concepts to commercial product much faster than they where originally thinking about doing it.

Are ISO standard American football fields defined as 100 or 120 yards?

Having camera at home/yard is no issue

Only if the camera is angled in such a way that it only sees your property. A door bell camera that can also see the public road in front your house for example is technically not allowed, even if most people ignore that rule.

The big problem is that universities basically never hire or promote based on a persons teaching ability. One of the best lecturers I had at university was a postdoc who didn't get hired and ended up teaching at a 'third rate' university. One of the worst lecturers I had got head hunted by MIT.

Pop in to publish your article, return to whatever else you had been doing after.

Nothing is stopping you. I've published papers and presented at academic conferences while working in industry. Both in collaboration with academics and without.