Tesla Model S Police Car's Battery Ran Dry During High Speed Chase
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motorhead43026 wrote: »The little girl has aspergers, if you don't know what it is look it up.
How nice of the enviro-fringe to trot out a girl with special needs to dress down the U.N. for not doing enough about climate change.... if you disagree with her, it’s because you are a douchenozzle picking on a young child because she has a disability and not because her statements were demonstrably false...
Predictable, and just what I would expect....
The Gear... Carver "Statement" Mono-blocks, Mcintosh C2300 Arcam AVR20, Oppo UDP-203 4K Blu-ray player, Sony XBR70x850B 4k, Polk Audio Legend L800 with height modules, L400 Center Channel Polk audio AB800 "in-wall" surrounds. Marantz MM7025 stereo amp. Simaudio Moon 680d DSD
“When once a Republic is corrupted, there is no possibility of remedying any of the growing evils but by removing the corruption and restoring its lost principles; every other correction is either useless or a new evil.”— Thomas Jefferson -
But, nay!
I was waxing poetic -- channeling my muse.
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nooshinjohn wrote: »
How nice of the enviro-fringe to trot out a girl with special needs to dress down the U.N. for not doing enough about climate change.... if you disagree with her, it’s because you are a douchenozzle picking on a young child because she has a disability and not because her statements were demonstrably false...
Predictable, and just what I would expect....
LOL.
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mhardy6647 wrote: »I was waxing poetic.
WRONG THREAD!!!!!
https://forum.polkaudio.com/discussion/179283/anyone-into-detailing-cars/p1 -
I just LOL'd a little bit.
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nooshinjohn wrote: »
How nice of the enviro-fringe to trot out a girl with special needs to dress down the U.N. for not doing enough about climate change.... if you disagree with her, it’s because you are a douchenozzle picking on a young child because she has a disability and not because her statements were demonstrably false...
Predictable, and just what I would expect....
BINGO!!!Political Correctness'.........defined
"A doctrine fostered by a delusional, illogical minority and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a t-u-r-d by the clean end."
President of Club Polk -
Don't forget people, Miami won't exist in 3 years if ya'll remember that one?! I gotta go there since I've never been there before it's gone.
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Don't forget people, Miami won't exist in 3 years if ya'll remember that one?! I gotta go there since I've never been there before it's gone.
It'll be there, but the bling-y SUVs'll be replaced by gondolas (gondolae?)
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motorhead43026 wrote: »The little girl has aspergers, if you don't know what it is look it up.
Yes I know she has and what it is and she hasn't let it get in her way of what she is doing. -
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BINGO!!!
This forum is WAYYYY too Right. -
So I was basking in my bliss after the Cary drama, only to catch up on this thread!
In fact, I was gonna throw the old rectifier tube in the trash.
But maybe now I should disassemble it, and part it out in the appropriate recycle containers!
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OK -- there are myriad issues with the electrochemical cells used to make the batteries. That's (probably!) what some of this thread's naysayers are dancin' around vis-a-vis how 'green' (and how 'low CO2 footprint') current electric car technology is.
First and foremost is the use of some materials (lithium and some other 'strategic materials') that don't have the best cradle to grave reputation (and for good reason) and carry certain geopolitical penalties.
Some of y'all probably know this, but the rather rapid shift from AlNiCo (an alloy of Aluminum, Nickel, and Cobalt) to ceramic magnet materials for loudspeaker drivers wasn't driven by technology, but rather with constriction of the supply (and consequent price spikes) for the strategic material cobalt. I think cobalt may factor in Li-ion battery production, too.
Mining the necessary raw materials isn't a particularly green industry, either.
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In other green technology news
I probably shoulda known this -- but I didn't...
https://www.npr.org/2019/09/30/763844598/how-big-oil-of-the-past-helped-launch-the-solar-industry-of-today
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This forum is WAYYYY too Right.
Is it not wrong to fill the mind of a challenged young girl with a bunch of crap and convince her the world is coming to an end before she has a chance to turn 30, because of something that has not been shown to be true?
Seems to me that the best thing would be to help her grow and be productive rather than fearful and afraid.The Gear... Carver "Statement" Mono-blocks, Mcintosh C2300 Arcam AVR20, Oppo UDP-203 4K Blu-ray player, Sony XBR70x850B 4k, Polk Audio Legend L800 with height modules, L400 Center Channel Polk audio AB800 "in-wall" surrounds. Marantz MM7025 stereo amp. Simaudio Moon 680d DSD
“When once a Republic is corrupted, there is no possibility of remedying any of the growing evils but by removing the corruption and restoring its lost principles; every other correction is either useless or a new evil.”— Thomas Jefferson -
Until we get around to massively recycling or repurposing large lithium ion batteries, we won’t be able to assess the environmental impact of EV’s, which is partly to blame for my preference for Hydrogen Fuel Cell vehicles. I doubt that those will ever happen now, but it’s not as if the petroleum industry is the cleanest of industries either. It’s pretty much filthy.
I could see myself buying into Hydrogen as a fuel source. The only gripe I have with EV is the horrific damage strip mining for rare earth elements to make batteries does and the unknown issues of recycling and disposing of them. Sometimes the devil you know is far better than the one you get stuck with later on. All the talk about range and such is something the consumer needs to be smart about when they make their choice to buy a vehicle.
Here in CA, there is a push to ban gasoline sales and the vehicles that use it by 2035. I think the consumer should be the one to decide how to spend their money.... Then again, the privately owned automobile may go extinct by 2040 anyway.The Gear... Carver "Statement" Mono-blocks, Mcintosh C2300 Arcam AVR20, Oppo UDP-203 4K Blu-ray player, Sony XBR70x850B 4k, Polk Audio Legend L800 with height modules, L400 Center Channel Polk audio AB800 "in-wall" surrounds. Marantz MM7025 stereo amp. Simaudio Moon 680d DSD
“When once a Republic is corrupted, there is no possibility of remedying any of the growing evils but by removing the corruption and restoring its lost principles; every other correction is either useless or a new evil.”— Thomas Jefferson -
The problem with hydrogen, to my mind is that, to the best of my knowledge, it has to be used as such. 2H2 + O2 -> 2 H2O. The thermodynamic equilibrium lies way to the right (in other words, it's an efficient and spontaneous oxidation reaction) and a fair amount of energy per mol of hydrogen is generated by oxidizing it to water... and, of course, no C-H bond oxidation, so no CO2 generation, and no N-H bond oxidation, so no NOx generation...
BUT
1) it would be really nice to generate hydrogen in situ, e.g., electrolysis of water, but that's thermodynamically unfavorable and not practical in a small platform like a car -- so the hydrogen powered vehicles use refrigerated (high pressure, low 'temperature') liquid hydrogen as a fuel source.
2) The activation energy barrier is high. The reaction only goes if some energy - usually in the form of a spark - is added to the system.
then...
So... yeah... I am not crazy about hydrogen as a fuel source.
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Nuclear fusion would be nice -- but we don't seem to have made much progress in controlled and sustainable nuclear fusion since... well... the early 1950s.
And back then, they weren't interested in controlled fusion.
And, yeah -- by the way -- Edward Teller was way scarier than Elon Musk. Even than Musk and Tesla (the guy, not the car company) put together.
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Nothing wrong with hydrogen as a fuel source, but don’t use it to make the car lighter. Lumin X1 file player, Westminster Labs interconnect cable
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Three 20 amp circuits. -
Well, it will, just not enough to matter.
A car 'full' of hydrogen should weigh a bit less than empty.
Sort of like a Class A amplifier -- in theory, it'll produce less heat amplifying a sigmal to clipping than it does idling... when all of its output power is being dissipated as heat. When amplifying a signal, at least a little bit of it goes to the loudspeakers
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In the last year I had read an article were car manufacturers wanted to have all the fuel sold I believe to be 95+ octane IIRC (could have been higher). Either way they stated with higher octane they could get better fuel economy and cleaner burning engines. The reasoning is the with higher compression engines they could build cleaner burning engines.
They also feel they have reached the end of the line as far as building them lighter because any more weight shaving is going to sacrifice safety too much. Also if the government mandated the switch to high octane the the cost of high octane would come down to the cost now of 87 octane fuel now since high octane fuel is not produced in high enough quantities now to facilitate a lower cost to the buyer. Of course this would not help vehicles not made for the higher octane but it sure won't hurt them either.
It will be interesting to see if anything comes of it. -
They'll still generate as much (or even a bit more) CO2 per unit volume of fuel consumed (oxidized), although they should go more miles per unit volume, so, in that sense they're better.
My recollection is that higher combustion efficiency produces more oxides of nitrogen, too (which, come to think of it, comes from air not C-N-H bonds in hydrocarbons, at least mostly). I don't do this stuff for a living, so my memory's rusty and my grasp of the details is a little tenuous.
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....go on...
To get you started, https://www.washingtonpost.com/news/in-sight/wp/2018/02/28/the-cost-of-cobalt/
You can find a lot more if you look yourself.Political Correctness'.........defined
"A doctrine fostered by a delusional, illogical minority and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a t-u-r-d by the clean end."
President of Club Polk -
This forum is WAYYYY too Right.
If you mean people with common sense that think for themselves and take personal responsibility seriously, then I'd say thank God.Political Correctness'.........defined
"A doctrine fostered by a delusional, illogical minority and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a t-u-r-d by the clean end."
President of Club Polk -
No, I'm talking about the people who debunk science based on heresay yet will believe in an invisable man in the sky. Just because you pay taxes and stay out of jail, doesn't make you a good person, or have the credentials to poo-poo anything that you feel is "big government" or "group think". The common sense part is purely speclatory and usually involves short term thinking.
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To get you started, https://www.washingtonpost.com/news/in-sight/wp/2018/02/28/the-cost-of-cobalt/
You can find a lot more if you look yourself.
Of course acquiring materials is going to be messy. Just like any business model, people are going to be exploited. That's the capitalist part right? But, do you really think it compares to to global strip mining and fraking?
https://www.youtube.com/watch?v=TE9b_EC874g
