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Motoring Anything that goes vroooom! and makes the hairs on the back of your neck stand up, this is the place.

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Old Dec 26, 2021, 02:40 PM   #1
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Lazy8s
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Default Tesla S batteries ~$23,000. Dynamite is cheaper

https://jalopnik.com/watch-a-finn-bl...ite-1848261076

A little extreme maybe? Surely there had to be a better way

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In the lovely little village of Jaala, Finland, there lives a man named Tuomas Katainen, and Tuomas is the owner of a 2013 Tesla Model S. At first, Tuomas enjoyed his Tesla, but then it started throwing all kinds of codes and spent a month in a dealer’s shop, where it was discovered that it needed an entire new battery pack. For 20,000 euros. Luckily, Tuomas had a backup plan in place: blow it up with dynamite.
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Old Dec 26, 2021, 03:06 PM   #2
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Originally Posted by Lazy8s View Post
https://jalopnik.com/watch-a-finn-bl...ite-1848261076

A little extreme maybe? Surely there had to be a better way
That video was great though, watched it when it first came out Probably gonna get plenty of ad revenue from it.

I'm not surprised the batteries are that expensive. Might get better when they can produce more, but it's gonna take a bit to get there.
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Old Dec 26, 2021, 04:11 PM   #3
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Originally Posted by Elysian View Post
That video was great though, watched it when it first came out Probably gonna get plenty of ad revenue from it.

I'm not surprised the batteries are that expensive. Might get better when they can produce more, but it's gonna take a bit to get there.
I didn’t think about the revenue. Penny pinching me would have had it up on flea bay
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Old Dec 26, 2021, 05:51 PM   #4
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Slow-mo shot with the shockwave was awesome.
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Old Dec 27, 2021, 11:11 PM   #5
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2013 needing a new battery seems it might be a Finland issue.
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Old Dec 28, 2021, 10:12 AM   #6
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Old Dec 29, 2021, 11:06 AM   #7
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Thats hilarious. We dont just need better batteries we need innovations like thermo electric:

https://www.inverse.com/innovation/f...nergy-solution



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THE NEED to transition to clean energy is apparent, urgent, and inescapable. We must limit Earth’s rising temperature to within 1.5 C to avoid the worst effects of climate change — an especially daunting challenge in the face of the steadily increasing global demand for energy.

Part of the answer is using energy more efficiently. More than 72 percent of all energy produced worldwide is lost in the form of heat. For example, the engine in a car uses only about 30 percent of the gasoline it burns to move the car. The remainder is dissipated as heat.

Recovering even a tiny fraction of that lost energy would have a tremendous impact on climate change. Thermoelectric materials, which convert wasted heat into useful electricity, can help.

Until recently, the identification of these materials had been slow. My colleagues and I have used quantum computations — a computer-based modeling approach to predict materials’ properties — to speed up that process and identify more than 500 thermoelectric materials that could convert excess heat to electricity, and help improve energy efficiency.

The transformation of heat into electrical energy by thermoelectric materials is based on the “Seebeck effect.” In 1826, German physicist Thomas Johann Seebeck observed that exposing the ends of joined pieces of dissimilar metals to different temperatures generated a magnetic field, which was later recognized to be caused by an electric current.

Shortly after his discovery, metallic thermoelectric generators were fabricated to convert heat from gas burners into an electric current. But, as it turned out, metals exhibit only a low Seebeck effect — they are not very efficient at converting heat into electricity.

In 1929, the Russian scientist Abraham Ioffe revolutionized the field of thermoelectricity. He observed that semiconductors — materials whose ability to conduct electricity falls between that of metals (like copper) and insulators (like glass) — exhibit a significantly higher Seebeck effect than metals, boosting thermoelectric efficiency 40-fold, from 0.1 percent to four percent.

This discovery led to the development of the first widely used thermoelectric generator, the Russian lamp — a kerosene lamp that heated a thermoelectric material to power a radio.

ARE WE THERE YET? — Today, thermoelectric applications range from energy generation in space probes to cooling devices in portable refrigerators. For example, space explorations are powered by radioisotope thermoelectric generators, converting the heat from naturally decaying plutonium into electricity. In the movie The Martian, for example, a box of plutonium saved the life of the character played by Matt Damon, by keeping him warm on Mars.

Despite this vast diversity of applications, the wide-scale commercialization of thermoelectric materials is still limited by their low efficiency.

What’s holding them back? Two key factors must be considered: the conductive properties of the materials, and their ability to maintain a temperature difference, which makes it possible to generate electricity.

The best thermoelectric material would have the electronic properties of semiconductors and the poor heat conduction of glass. But this unique combination of properties is not found in naturally occurring materials. We have to engineer them.

SEARCHING FOR A NEEDLE IN A HAYSTACK — In the past decade, new strategies to engineer thermoelectric materials have emerged due to an enhanced understanding of their underlying physics. In a recent study in Nature Materials, researchers from Seoul National University, Aachen University, and Northwestern University reported they had engineered a material called tin selenide with the highest thermoelectric performance to date, nearly twice that of 20 years ago. But it took them nearly a decade to optimize it.

To speed up the discovery process, my colleagues and I have used quantum calculations to search for new thermoelectric candidates with high efficiencies. We searched a database containing thousands of materials to look for those that would have high electronic qualities and low levels of heat conduction, based on their chemical and physical properties. These insights helped us find the best materials to synthesize and test and calculate their thermoelectric efficiency.
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