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Comment Re:Biggest issue is still liability (Score 1) 177

If you have a human driving, you usually know who to blame.

Which, to me, is a horrible way of looking at things. If that were the only criterion, we could easily end up with ten times more car deaths simply because we're more comfortable with putting blame at people, even at the expense of lives.

Comment Re:Biggest issue is still liability (Score 1) 177

If your car has shitty brakes you leave extra room. Good drivers realize that 'shitty brakes' is always relative.

Sounds to me like the solution to the problem in question - a computer could quickly periodically recompute the envelope of possible scenarios and never drive in the phase space into points from which it can't recover without hitting someone or something.

Comment Re:What makes it so expensive? (Score 3, Informative) 56

There may be the issue of demand. PV cells apparently require a lot of material compared to a lot of other potential applications of GaAs (RF? Optoelectronics?). If you really started mass-producing them from GaAs, you'd start straining the global supply (200 tonnes per year or so?) long before you'd reach anything close to current global production of silicon-based PV cells.

Comment Re:Okay, we're clear on what you're promising (Score 1) 185

There will always be demand for hydrocarbons and fertilizers, for example. And as a high-current, low-voltage application, hydrogen generation is much better suited for at least somewhat centralized production. You probably don't want to haul very thick and expensive cables over large distances. So, yes, it's quite plausible that in the future, most people will be at least partially self-sufficient, but there will always be need for industrial levels of power. Especially with ever-cheaper PV modules and increasing energy needs for advanced resource extraction and manufacturing .

Comment Re:And now, things get Ugly. (Score 1) 120

2) Anonymization of your data is really true

That has been shown to be increasingly difficult.

There is a lot of good data to be used to improve traffic in big cities for instance.

What does that have to do with a private taxi service collecting data on your movements? That's a matter for the municipal administration to solve.

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