Parrots learn words but not language. Associating words with rewards through Pavlovian training is not communication. Clearly spoken gibberish is still gibberish.
There's no better proof of that than the interwebs.
Yes, you can use them in combination.
You CAN be injured by a turtle, struck by lightening and suffer traumatic brain injury and a hernia. On a plane. On an experimental plane. On the runway.
This would engender a number of codes and would be indicative of very, very bad karma. Or perhaps God really does have a sense of humor.
I would not like them on a plane. I will not eat them on a train.
I do not want them in my house. I can not feed them to a mouse.
I do not like Green Eggs and Ham. I do not like them Sam-I am.
There cannot be valid duplicate patents on anything. See 35 U.S.C. 102.
That would be helpful if patents had to be valid these days.
that one was easy. Planes, of course - they are already largely automated, with the crew watching the autopilot do its job. Including landing. I don't know 100% about take-off but if it can land, I figure take-off is even easier.
And lest we forget, the robotic ones are already armed with missiles and there's no point in pissing them off by suggesting they're untrustworthy.
No amount of careful planning will ever replace dumb luck.