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11-09-2019, 12:20 AM | #99 | |
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Tesla’s approach to Autopilot isn’t special. In fact, Geohot (the hacker) created a company to retrofit an autonomous system to cars before them (pretty sure), and his idea was to use computer learning. Considering how fast Tesla has been able to (almost exponentially) build their neural computer network, I can only imagine it will be replicated soon enough.
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11-09-2019, 06:07 AM | #100 | |
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11-09-2019, 02:02 PM | #101 | |
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Tesla's current investments are going to be leapfrogged. When some lab manages to produce a cost effective and reliable aluminum ion cell that exceeds the best lithium ion in performance and durability, you'll see many companies jump on it with massive investments, and Tesla will not have much of an advantage. Aluminum ion cells in research have gotten over 3MJ/kg, can charge in a few minutes, and have lithium titanate like cycle life. That'll be the game changer IMO, because then there will be no reason to buy a gasoline powered car at all. Last edited by serialk11r; 11-09-2019 at 02:26 PM. |
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11-09-2019, 04:42 PM | #102 |
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Imo the progression of electric will be similar to what has been occurring with rc toys
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11-09-2019, 06:42 PM | #103 |
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Enlighten us. I don’t understand the reference.
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11-09-2019, 07:31 PM | #104 |
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Or we could just use inductive roadways to charge vehicles as they go...
Best of all worlds, but car companies can't charge customers for that work (puns intended), so noone markets that idea. Point is, there are far better ways to solve "clean" transportation problems than dumping money into batteries. |
11-09-2019, 08:06 PM | #105 | |
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What’s wrong with batteries?
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11-09-2019, 08:32 PM | #106 |
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11-09-2019, 08:41 PM | #107 | |
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Batteries are heavy, delicate, expensive, and heavy. Heavier vehicles, in addition to the kinetic energy equation, need heavier structures, which require more energy to make. Also, the maximum output of batteries is usually a percentage of the capacity/time. So you can no longer have a sports car. You either have a big heavy muscle car or an economy car. Most people won't care, but I do. |
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11-09-2019, 08:47 PM | #108 |
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Dude you understand how inductive charging works right? No. F***ing. Way. It. Will. Ever. Happen.
It's like turning every single road into a maglev track expensive, and the charging speed probably won't cut it. |
11-09-2019, 09:06 PM | #109 | |
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Yes it's expensive, but so are batteries. If you could get basically unlimited range on interstates and such, would you need so much battery? Instead of everyone paying individually for capacity they only use once in a while, wouldn't it be more efficient to make a public pool of capacity you can pay to draw from when you need it? You don't need to fully charge the cars on the highway, you just need to keep them moving at constant speed. |
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11-09-2019, 09:09 PM | #110 | |||
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Not even close to working.
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11-10-2019, 12:56 AM | #111 | |
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In the mean time, batteries are working out for most people. There are advantages to batteries too. They allow for off-roading or going on any road that isn’t retrofitted. They will be a great used commodity; used batteries can be swapped into other models if someone wants to trade up or out an old battery for a better used battery like how people do with used engines and trannies, getting something that is used, but with less life. Batteries could be used for home storage or reverse charging by charging a home in replace of owning a Tesla Powerwall. Used batteries could be used for energy storage for businesses where weight and area aren’t an issue, so even if it only holds have the charge, it could still be daisy-chained.
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11-10-2019, 02:37 AM | #112 | |
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1. Batteries are currently working out for the small subset of people who buy EVs and who have already determined that EVs fit their lifestyle. 2. Of course you need at least a small onboard energy store for when you aren't on a highway. I figured that was obvious. The original point was that there are other technologies to consider than just batteries. 3a. Used batteries are not and will never be a "great commodity. ". If you need a used car do you A: buy a used car, or B: buy a random fuel tank, buy a car that never was supposed to have that fuel tank in it, and attempt to swap the fuel tank in? Is it A? I think it's A. 3b. Because everyone takes the engine out of their car to be a generator when the power goes out right? 3c. Why would a business ever want used car batteries? Weight and area are always an issue. Space costs money. Maintenance costs money. Disposal costs money. Losses to entropy cost money. |
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