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See Not even wrong - Wikipedia.

I believe stored client-side. Have any browser settings possibly changed?

I suppose you realise that "Prove me wrong" has been the cry of the crank, down the ages. 🙄 It's not up to us to prove you wrong. It's up to you to show your theory has advantages over the current model. But I'm losing interest in you rapidly now.

Does it mean abstraction? For the context, nawinterviewP.pdf (uu.nl):

Is this a serious inquiry? Why can’t an auto out vehicle on city streets be designed to go as fast as a maglev train? Replacement is ideal, but unrealistic. Why? The scale is huge, but Walmart or Lockheed Martin and other similar private entities could surely pull it off.

Or they can’t afford one. Don’t want to deal with either the cost or responsibility of maintenance. Lack storage location for it. Can’t afford insurance. Or gas. Or want to reduce co2 pollution… or or or or or or… This does not follow, especially given the efficiency gains from removing (even reducing) random human decisions and mistakes from the system. A software patch has already been deployed so that doesn’t happen again. Mistakes will happen. There will be far fewer mistakes made by autonomous vehicles than by those controlled by human operators… like orders or magnitude fewer.

As someone with extensive time in rural settings, I have encountered a fair number of people who still find the bolt action rifle quite sufficient. And would view the assault style AR15 as unsuitable for a sporting hunt. A well-aimed shot from Grandpa's rifle will bring down a mule deer more effectively than an AR15. The rifle will shoot more precisely and will usually have a round that works on larger game, like a 30-06, while the .223 round that most AR series weapons use is not as good. (though its report is fine for scaring off cougars) Most pests were scared off, in my and my wife's family history of ranching and farming, by banging kitchen pots together, which saves ammunition and decreases chances of a stray round sailing through your herd...or your neighbor's kitchen a half mile away. 😀 So the computer chip analogy might need work.

What signal? Who said anything about a signal? Other than you, of course. An array of starter switches can be positioned, one near each car of the train, connected to synchronized timers, so they're all timed to start the engines simultaneously in the ground frame. Then the pre-programmed engines can accelerate their cars, each according to its own previously calculated schedule, with no further input. As I already mentioned, it's probably a silly and even dangerous thing to do in real life, and I don't think DimaMazin's timing function would work correctly. But there are no signals involved after the initial setting of the timers, so your comments about signals are immaterial.

Enough to know that "Proper time would follow the wordline between engines" is meaningless gibberish. Which world line? One can construct an infinite number of world lines, and the ones that are relevant to individual cars don't extend "between engines". Sure, buddy. Whatever you say. 🙂

Unless you calculate the acceleration required for each car as a function of its proper time before starting and pre-program it into the engine. Then start the engines from a standstill using synchronized triggers. 🙂

Ah so now we're changing goalposts. I was showing the problems of Born rigidity. Either way there are no rigid objects under GR.