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   rec.arts.sf.misc      Science fiction lovers' newsgroup      3,290 messages   

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   Message 2,275 of 3,290   
   Rod Speed to seawasp@sgeinc.invalid.com   
   Re: cases where SF has predicted scienti   
   15 Jan 14 20:17:01   
   
   XPost: rec.arts.sf.written, rec.arts.sf.science   
   From: rod.speed.aaa@gmail.com   
      
   "Sea Wasp (Ryk E. Spoor)"  wrote in message   
   news:lb58kl$mrv$1@dont-email.me...   
   > On 1/14/14 5:33 PM, Leszek Karlik wrote:   
   >> On Tue, 14 Jan 2014 22:06:36 +0100, Sea Wasp (Ryk E. Spoor)   
   >>  wrote:   
   >>   
   >> [...]   
   >>>> And we all know that SF is exactly like today, only with blasters ;-))   
   >>>>   
   >>>> The problem with good electric cars today is that they're rather   
   >>>> expensive and there's no support network, but for a municipal   
   >>>> self-driving car/public transit hybrid system they should work   
   >>>> ratherwell (because they can self-drive themselves to a charging   
   >>>> station).   
   >>>   
   >>>     When I see self-driving cars I'll start thinking about that   
   >>> (because only then will you be able to start changing the laws and   
   >>> regulations to allow you to use the cars as public transit). As others   
   >>> have pointed out, people also use their cars for things other than   
   >>> just getting to work, and that will make it harder to pull off.   
   >>   
   >> That will require a change in attitudes, but money and convenience are   
   >> a pretty efficient attitude changer.   
   >   
   > Yes. Convenience of having my own car tends to trump any arguments against   
   > it.   
   >   
   >> Self-driving cars have   
   >   
   > Could have, if they ever are made   
   >   
   >> the capacity   
   >> for a significant reduction in transport-related mortalities, which are   
   >> especially harmful to the society, because it's frequently children and   
   >> young people who get killed in traffic accidents. (And thus they have   
   >> a high related cost of lost future productivity)   
   >   
   >   
   > That kind of logic is great, but logic generally doesn't win the market.   
   > Similar logic can be attached to all sorts of social causes, yet the laws   
   > don't follow.   
   >   
   > First you have to convince people that self-driving cars are safer, and   
   > that will take a long time. With no significant accidents involving   
   > self-driving cars, because people will remember the one bad accident (that   
   > probably wasn't the self-driving car's fault) and forget the hundred   
   > million miles with no accidents.   
   >   
   >>   
   >> Significant reduction in transport-related mortality will lead to vastly   
   >> preferential insurance rates for self-driving cars, and the ball should   
   >> start rolling.   
   >   
   > That'll be a while. We're not close to self-driving cars yet. When they   
   > demonstrate one that can drive as well as me, I'll be convinced --   
   > specifically, the fact that I can, and have, looked ahead of me, seen the   
   > cargo on a vehicle behaving funny, and backed off in time to avoid the   
   > stuff that suddenly came off the back and crashed down right where I would   
   > have been.   
   >   
   >   
   >   
   >> [...]   
   >>>> Oil changes are cheap, but rather frequent, every few thousand miles,   
   >>>> and really, suspension maintenance is much less frequently performed   
   >>>> than   
   >>>> things like drive belts, fuel and air filters, valve clearances,   
   >>>> coolant   
   >>>> replacement etc. I have internal combustion powered bikes and I do the   
   >>>> maintenance myself, so far no suspension work has been necessary ;-)   
   >>>   
   >>>     Well, as I said it depends on your batteries. Generally the   
   >>> batteries are half the cost of the car according to various references   
   >>> I've found, so if you have to replace them even once every 10 years,   
   >>> you're VASTLY more expensive to maintain than both of my cars have   
   >>> been over the last 10 years.   
   >>   
   >> When you buy a Tesla Model S for 70 grand, you can buy a "battery   
   >> replacement   
   >> in 8+ years" option, for 8 to 12 grand.   
   >   
   > And 8 to 12 grand is much, MUCH more than I have spent in maintenance on   
   > BOTH of my cars in 10 years. So I'm unconvinced.   
   >   
   > Oh, and 70 grand's ridiculous. All the cars I've ever owned PUT TOGETHER   
   > wouldn't reach that number.   
   >   
   >>   
   >> Battery prices are falling rapidly, because there's a lot of incentives   
   >> to   
   >> research better batteries - phones, laptops, electric vehicles etc.   
   >   
   > They'll have to fall by a factor of at least 2 to 4 before they're getting   
   > in the ballpark of maintenance for the cars I've driven.   
   >   
   >   
   >> Gasoline's power density is way higher than electric batteries, of   
   >> course, but   
   >> using this power is inconvenient,   
   >   
   > Terribly convenient. We've got a huge infrastructure dedicated to   
   > delivering it quickly, safely, and efficiently.   
   >   
   >   
   >> expensive   
   >   
   > Adjusted for inflation, the prices haven't changed much since the 1970s.   
   >   
   >   
   >> and dangerous.   
   >   
   >   
   > Batteries are dangerous too. ANYTHING that stores lots of energy is   
   > dangerous. And we have over a century of experience in how to deal with   
   > the dangers of gasoline.   
   >   
   >> We've done   
   >> this for a long time, so we're used to it, but now it makes sense to   
   >> switch   
   >> to electricity :-)   
   >>   
   >   
   > Whenever you can double the energy generating capacity of the USA. Well,   
   > okay, taking into account efficiencies, only adding another 50% onto   
   > current energy generating capacity JUST for the cars. Don't believe me?   
   > Calculate how much energy our cars are using. I did it a couple years ago.   
   >   
   > Given how much of a pain in the ass people are being about making new   
   > powerplants just to meet regular demand, I'm cynical about managing to not   
   > only meet regular demand but adding on enough generation capacity to   
   > support all the cars.   
   >   
   > Build cheap and standardized nuclear powerplants, yeah, but no one's   
   > letting you do that.   
      
   > As for solar, you run into the power storage problem.   
      
   Yes.   
      
   > Need super-batteries.   
      
   No, pumped water works fine.   
      
   > When you get a battery with gasoline's power density and the ability to   
   > handle high peak AND long term drain, you might be talking.   
      
   And something like the same charge time when used for longer distance   
   travel.   
      
   > Of course, such a battery will be just as dangerous as gasoline if   
   > something goes wrong.   
      
   No, it isnt hard to ensure that there won't be any real   
   problem in a decent car crash with an electric car.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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