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I was being imprecise. Sorry about that. I don't think that we will see totally autonomous cars _in_our_lifetime. "Never" is not a useful timescale.

  You have to have a truly limited imagination to think we
  will never get there.
40 years ago people did the same sorts of extrapolations on air-travel and figured that 15-20 years later all commercial air travel would be supersonic. And why wouldn't they? Orville Wright was still alive when the first supersonic flight took place. We went from not being able to fly heavier-than-air machines to breaking the sound barrier in 43 years. But of course, that didn't happen.

And in just the past few years we've gone backwards. There is currently no supersonic passenger jet in service.

A lot of domains appear to exhibit the same asymptotic behavior. Space travel, medicine, AI etc. Domains where initial speed causes undue optimism and where we later suffer regressions. (No regressions in medicine you say? Well, how about the crazy anti-vaccination people and the re-emergence of diseases that were practically eradicated?)

I build stuff, I program stuff, I occasionally build and race cars. I don't think my skepticism stems from _lack_ of imagination -- I think it has more to do with an abundance of imagination.

  The argument about airplane maintenance also doesn't hold water. Result of a
  malfunctioning plane: plunge 30,000ft and hundreds dead. Result of a
  malfunctioning car: coast to a gentle stop. See any difference?
I'm sorry, but that is pure nonsense and many, many, many people pay the ultimate price to prove you wrong every day.


I don't think that we will see totally autonomous cars _in_our_lifetime

Now you're moving the goalposts to suit your argument.

Supersonic flight was abandoned because it is expensive and prohibitively noisy. Will some set of obstacles also arise to stymie autonomous vehicles? Maybe, but we wont know till we try.

The regression in medicine is due to pure stupidity. Will the same or similar type of stupidity raise its head to block self-driven cars? Again the answer is maybe. Maybe not. We wont know till we've tried.

many, many, many people pay the ultimate price to prove you wrong every day

You misunderstood what I said. My point was that if a computer controlled car's computer fails it can be made to fail-safe. Shut down and coast to a stop. The same cant be said for planes.

Of course we will have scenarios of computers being mis-programmed and causing death. The point being that once a bug is found and eliminated it wont reoccur. Not to mention that a human will never drive as well or recover from trouble (such as a fishtail) as well as a computer. Our interfaces are simply too slow, clumsy, prone to fatigue, prone to mis judgement due to adrenaline etc. the list goes on.

I get what you're saying about optimistic extrapolation being a trap... but we don't have to extrapolate far from where we are today. The google self driven cars have already driven tens of thousands of miles with the only recorded accident occurring when the vehicle was under human control.

Not only that but Nevada has already licensed the cars for testing on its roads. Now you can argue that the testing is not 100% authentic. From what I understand the routes are pre-programmed and 2 occupants must be in the car at all times. But to say that this tech wont go anywhere for the next 50-60 years (however long you intend to live :) ) ... seems to lack imagination.

This isn't everyone using personal jet-packs or interstellar travel we're talking about here.


> You misunderstood what I said. My point was that if a > computer controlled car's computer fails it can be made to > fail-safe. Shut down and coast to a stop. The same cant be > said for planes.

Just because you are at ground-level you are not safe if you lose control of the vehicle.

> The point being that once a bug is found and eliminated it > wont reoccur.

We already have a software industry and we know that this doesn't happen: bugs do not occur only once and then get eliminated forever. There are people making a living writing books about mistakes that people repeat over and over in software.


"There is currently no supersonic passenger jet in service."

The dream isn't dead yet:

http://www.aopa.org/aircraft/articles/2012/120426back-to-a-s...




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