I like discussing things with you Shaggy, you do think well. I would like to continue this, but we are going live next week, so I do not have time yet. But while I am waiting here are some things for you to think about:

1) Redesign the combine and you have more choices.

4) Energy transmission without an extension cord, via a laser or something like that.

With a massive energy shortage there will likely be many idle humans. I can see humans taking over where machines were until technology catches up.

Mother is the necessity of invention, i.e. certain technologies will advance rapidly to the point we would be unable to accurately predict what would happen.