On August 30th a scientific paper discussed lithium in an extinct volcano in the western United States. But would it also increase supplies of a crucial battery-making ingredient?

"The mining industry is seldom that simple," argues Bloomberg's Energy Digest newsletter: The discovery of new deposits — be it the giant Simandou iron ore mine in Guinea or diamonds in Canada's Northwest Territories — rarely turns an industry on its head, and certainly not quickly. For lithium, that's likely to be especially true. Unlike cobalt and nickel, lithium isn't geologically scarce when it comes to economically viable deposits. And while there are short-term bottlenecks as the mining world reacts to a sudden spike in demand, few see long-term shortages. In fact, the supply outlook is so compelling that all but one of the biggest miners — Rio Tinto Group, which accidentally stumbled across a big deposit — decided it's not an industry they want to be in.

Instead, much of the focus is on processing and refining the element into a grade suitable for batteries. "The news is a reminder that lithium isn't rare, but producing battery-grade quantities at scale is the true challenge," said Chris Berry, president of House Mountain Partners, an industry consultant.

The VR blog Nifty Sparks made an interesting discovery: In a strategic move that could reshape the gaming industry, Epic Games, the creator of the widely-used Unreal Engine, is reportedly considering native integration with Apple's forthcoming Vision Pro.

The mixed-reality headset, slated for a 2024 release, could greatly benefit from this integration, but the timing of this development is particularly noteworthy, as it comes amidst ongoing legal disputes between Apple and Epic Games and a recent controversy surrounding changes to Unity's pricing structure.

Victor Lerp, Unreal Engine XR Product Specialist at Epic Games, has indicated that the company is actively exploring native support for Apple Vision Pro.
In Unreal Engine's developer forums, Lerp turned up in a thread titled "Support for Apple Vision Pro in Unreal ??" Someone had posted "Please tell me there is support coming?" and in June Lerp had first responded "We don't have any information to share at the moment, but stay tuned for the future."

But four days ago, Lerp returned to the thread with an update. "Internally we're exploring native Unreal Engine support for Apple Vision Pro, but it's too early for us to share details on the extent of support or timeline. We have access to the public SDK's like everyone else, and there's nothing fundamentally stopping us, or you, from developing support, or shipping Apple Vision Pro applications with Unreal Engine."

The VR blog notes that this follows Unreal Engine 5.2's native support for Apple Silicon Macs. And "meanwhile, Unity's recent pricing changes have led some developers to consider alternatives like UE and Godot."

Thanks to Slashdot reader NiftySparks for sharing the article.

Long-time Slashdot reader destinyland writes: Thursday America's Energy Department released an interactive map showing America's clean energy investments, "for tracking the industrial revitalization happening across the country, fostered by a clean energy transition..."

The map aims to show how both the 2021 Bipartisan Infrastructure Law and the 2022 Inflation Reduction Act "are leading to announcements of historic levels of private sector investments in the United States," which the head of America's Energy Department credited for "a manufacturing renaissance across the U.S." A senior White House energy advisor specifically described it as "a clean energy boom" and called the map "a great resource for understanding the widespread and important impact this boom is having on communities all across our nation."

The announcement notes 500 "planned investments in at least 450 new or expanded clean energy manufacturing facilities, totaling over $160 billion in announced private and public sector investments" in solar, battery, and offshore wind manufacturing projects — as well as in electric vehicle assembly, components, and chargers. Ford received over $12 billion for battery pack/cell projects and EV assembly, along with billions more for Ford's joint venture with BlueOval SK to build a battery plant. And six of the projects are Tesla — totalling over $2 billion for projects in battery materials, cells, packs, and EV assembly.

At 103 miles/kWh (or 0.6 kWh/100 km), the new "muc22" car built by students from the Technical University of Munich "is 25 times more efficient than any EV on sale..." writes Ars Technica. "For those who think in terms of miles per gallon, it's the equivalent of traveling 3,815 miles on a single gallon of gas.

The car has a top speed of just 26 mph (42 km/h) — and without a driver it weighs just 374 lbs (170 kg): In a six-day test at Munich airport, it set a new distance record on a single charge (for a non-solar EV): 1,599 miles (2,574 km), with less battery capacity than many plug-in hybrids — just 15.5 kWh...

The airflow-optimized shape has faired-in rear wheels and a drag coefficient of just 0.159; more importantly, though, it has a pretty tiny frontal area (it's only 39.4 inches/1,000 mm tall and 47.2 inches/1,200 mm wide)... [F]or this record run, muc22 made do with just 400 W — that's 268 times less powerful than the least-powerful EV on sale today, the Mazda MX-30... The record run took place in an empty hangar at Munich Airport, obviating any interference from the weather. The previous record stood at 999 miles (1,609 km), but the team of seven drivers reached that distance after just four days, and since the battery wasn't empty yet, the car kept going.
Thanks to Slashdot reader FrankOVD for sharing the article.

An anonymous reader shared this report from the Guardian: ExxonMobil executives privately sought to undermine climate science even after the oil and gas giant publicly acknowledged the link between fossil fuel emissions and climate change, according to previously unreported documents revealed by the Wall Street Journal.

The new revelations are based on previously unreported documents subpoenaed by New York's attorney general as part of an investigation into the company announced in 2015. They add to a slew of documents that record a decades-long misinformation campaign waged by Exxon, which are cited in a growing number of state and municipal lawsuits against big oil... In 2008, Exxon pledged to stop funding climate-denier groups. But that very same year, company leadership said it would support the company in directing a scientist to help the nation's top oil and gas lobbying group write a paper about the "uncertainty" of measuring greenhouse gas emissions...

The documents could bolster legal efforts to hold oil companies accountable for their alleged attempts to sow doubt about climate science. More than two dozen U.S. cities and states are suing big oil, claiming the industry knew for decades about the dangers of burning coal, oil and gas but hid that information.
More context from NPR: Earlier investigations found Exxon worked for decades to sow confusion about climate change, even though its own scientists had begun warning executives as early as 1977 that carbon emissions from burning fossil fuels were warming the planet, posing dire risks to human beings. By the late 1980s, concern was growing domestically and overseas that fossil fuel use was heating the planet, increasing the risks of extreme weather. In response, the Journal reported, Exxon executive Frank Sprow sent a memo to colleagues warning that if there were a global consensus on addressing climate change, "substantial negative impacts on Exxon could occur." According to the Journal, Sprow wrote: "Any additional R&D efforts within Corporate Research on Greenhouse should have two primary purposes: 1. Protect the value of our resources (oil, gas, coal). 2. Preserve Exxon's business options."

Sprow told the Journal that the approach in his memo was adopted as policy, in "what would become a central pillar of Exxon's strategy," the paper said. A few years after the memo, Exxon became the architect of a highly effective strategy of climate change denial that succeeded for decades in politicizing climate policy and delaying meaningful action to cut heat-trapping pollution...

Last year, Exxon said it plans to spend about $17 billion on "lower emission initiatives" through 2027. That represents, at most, 17% of the total capital investments the company plans to make during that period. Exxon recently said it is buying a company called Denbury that specializes in capturing carbon dioxide emissions and injecting them into oil wells to boost production. It's also planning to build a hydrogen plant and a facility to capture and store carbon emissions in Texas.

According to Ars Technica's Andrew Cunningham, the iPhone 15 devices "have completely standard USB-C ports that work just fine with all existing USB 3 and USB-PD (Power Delivery) compliant cables, chargers, and accessories, just like Apple's other devices." It contradicts rumors that Apple's implementation of USB-C would limit data and charging speeds for any accessories not certified through its Made for iPhone (MFI) program. From the report: We'll still need to test the phones to know for sure how they'll behave with different things plugged into them, but all of Apple's official authentication-chip-less USB-C chargers and cables quietly had their compatibility tables updated this week to include all iPhone 15 models. That also includes chargers from third parties like Mophie and Belkin that pre-date the iPhone 15's introduction.

That's not to say that there won't be some kind of licensing program available for iPhone-compatible USB-C accessories. But fears that these cables would be required, and that the iPhone wouldn't work just fine with otherwise standards-compliant USB-C cables and chargers, were unfounded.

Google and iFixit are expanding their partnership by offering several original parts for the Pixel tablet that Google had released in June. Google first partnered with iFixit in early 2022 to sell official replacement parts for its Pixel phones. Engadget reports: One of the most expensive components now available for sale is the tablet's rear case, which costs $200 and comes with three microphones, antennas, a power button with fingerprint unlock and volume controls. If your tablet's battery gets busted, you can now purchase an authentic replacement for $67, while a rear facing camera to replace one that's having issues will set you back $25. One replacement speaker will also cost you $25, as will a replacement for the device's USB-C port. But if it's the tablet's screen that needs replacing, you'll have to pay $200 or more. You can either get the part only -- consisting of a front glass digitizer screen, a 10.95-inch 2560 x 1600 pixel LCD and an 8-megapixel front-facing camera -- for that price or get a pack with tools you'll need to open up the tablet for $6 more.

iFixit, of course, doesn't just sell the parts: Its Pixel tablet portal also contains guides on how you can repair the model for each component it's selling. You can follow them if you want to be sure you're doing the right thing, even if you're pretty good at tinkering with electronics.

When it comes to reducing American dependence on Taiwan, the TSMC Arizona chip plant will be little more than a useless paperweight, says an analyst at one chip research firm. "The TSMC Arizona fab is effectively a paperweight in any geopolitical tension or war [with China over Taiwan] due to the fact that it still requires sending the chips back to Taiwan for packaging," said Dylan Patel, chief analyst at SemiAnalysis. 9to5Mac reports: A new report in The Information says while Apple chips may be made in the U.S., they will still need to be sent back to Taiwan before they get anywhere near an Apple device: "The Arizona factory -- which has been a focal point of the Biden plan and will cost $40 billion to build -- will do little to make the U.S. self-reliant in chips. That's because many advanced chips made in Arizona for Apple or other customers such as Nvidia, AMD and Tesla will still require assembly in Taiwan in a process known as packaging, according to interviews with multiple TSMC engineers and former Apple employees."

Given that TSMC has been struggling even to build a chip fab for older tech, there seems no prospect that it would ever attempt to set up chip packaging facilities in the U.S. "Building this type of facility is a huge expenditure of [capital], time, and effort, and it does not seem likely that TSMC will want to do this anytime soon in the desert in Arizona, particularly given all the problems the firm has encountered with construction, costs and personnel so far," said Paul Triolo, senior vice president for China at consultancy DGA-Albright Stonebridge Group.

Microsoft has made it clear: it will ax third-party printer drivers in Windows. From a report: The death rattle will be lengthy, as the timeline for the end of servicing stretches into 2027 -- although Microsoft noted that the dates will be subject to change. There is, after all, always that important customer with a strange old printer lacking Mopria support.

Mopria is part of the Windows' teams justification for removing support. Founded in 2013 by Canon, HP, Samsung and Xerox, the Mopria Alliance's mission is to provide universal standards for printing and scanning. Epson, Lexmark, Adobe and Microsoft have also joined the gang since then. Since Windows 10 21H2, Microsoft has baked Mopria support into the flagship operating system, with support for devices connected via the network or USB, thanks to the Microsoft IPP Class driver. Microsoft said: "This removes the need for print device manufacturers to provide their own installers, drivers, utilities, and so on."

Earlier this year, Singapore-based embedded security researcher yeokm1 built a ChatGPT client for MS-DOS.

Now they're back with a new project: HDMI is a relatively modern video connector we take for granted on modern PCs and monitors. Now vintage PCs can join in the fun too with a native connection to modern HDMI monitors without any additional adapter.

Two years ago, I learned of an open-source project called Graphics Gremlin by Eric Schlaepfer who runs the website Tubetime.us. It is an 8-bit ISA graphics card that supports display standards like Color Graphics Adapter (CGA) and Monochrome Display Adapter (MDA). CGA and MDA are display standards used by older IBM(-compatible) PCs in the 1980s. The frequencies and connectors used by CGA and MDA are no longer supported by modern monitors hence it is difficult for older PCs of the 1980s era to have modern displays connected to them without external adapters. Graphics Gremline addresses this problem by using techniques like scan doubling (for CGA) and increasing the vertical refresh rate (for MDA) then outputing to a relatively newer but still old VGA port.

I fabricated and assembled the design then installed it into my IBM5155... I decided to modify the Graphics Gremlin design so it can connect natively to an external HDMI monitor and service the internal Composite-based CRT at the same time.
The post concludes triumphantly with a photo of their IBM 5155 running the CGA Compatibility Tester displaying the color palette.

Popular Science reports that America's Department of Energy "is providing a nearly $400 million loan to a startup aimed at scaling the manufacturing and deployment of a zinc-based alternative to rechargeable lithium batteries."

If realized, Eos Energy's utility- and industrial-scale zinc-bromine battery energy storage system could provide cheaper, vastly more sustainable options for the country's burgeoning renewable power infrastructure... Unlike lithium-ion and lithium iron phosphate batteries, alternatives such as the Eos Z3 design rely on zinc-based cathodes alongside a water-based electrolyte, notes MIT Technology Review. This important distinction both increases their stability, as well as makes it incredibly difficult for them to support combustion. Zinc-bromine batteries meanwhile also boast lifespans as long as 20 years, while existing lithium options only manage between 10 and 15 years. What's more, zinc is considered the world's fourth most produced metal...

The U.S. Department of Energy also notes that "over time," Eos expects to source almost all of its materials within the U.S., thus better insulating its product against the market volatility and supply chain issues. While the Department of Energy previously issued similar loans to battery recycling and geothermal energy projects, last week's announcement marks the first funding offered to a manufacturer of lithium-battery alternatives.
MIT's article notes that Eos's semi-autonomous facility in Pennsylvania already produces around 540 megawatt-hours annually — and it isn't operating at full capacity. This new loan could boost factory toward full-power. The $398-million loan funds "up to four state-of-the-art production lines," according to the announcement from the U.S. Energy Department.

It notes that the technology is "specifically designed for long-duration grid-scale stationary battery storage that can assist in meeting the energy grids' growing demand with increasing amounts of renewable energy penetration." If finalized, the project is expected to manufacture 8 GWh of storage capacity annually by 2026. That is enough to provide electricity to over 300,000 average U.S. homes instantaneously or meet the annual electricity needs of approximately 130,000 homes if fully charged and discharged daily. The project is expected to create up to 50 union contractor construction jobs and as many as 650 new operations jobs when at full operational capacity...

Critically, Eos batteries are non-flammable and do not require active cooling to operate. The batteries can achieve 100% depth of discharge...

Huawei's launch last week of the Mate 60 Pro smartphone "shocked industry experts," reports CNN, who didn't understand how Huawei "would have the ability to manufacture such an advanced smartphone following sweeping efforts by the United States to restrict China's access to foreign chip technology."

And in a related note, CNN adds that South Korean chipmaker SK Hynix "is investigating how two of its memory chips mysteriously ended up inside the Mate 60 Pro, a controversial smartphone launched by Huawei last week." Shares in Hynix fell more than 4% on Friday after it emerged that two of its products, a 12 gigabyte (GB) LPDDR5 chip and 512 GB NAND flash memory chip, were found inside the Huawei handset by TechInsights, a research organization based in Canada specializing in semiconductors, which took the phone apart for analysis. "The significance of the development is that there are restrictions on what SK Hynix can ship to China," G Dan Hutcheson, vice chair of TechInsights, told CNN. "Where do these chips come from? The big question is whether any laws were violated."

A Hynix spokesperson told CNN Friday that it was aware of its chips being used in the Huawei phone and had started investigating the issue.

The company "no longer does business with Huawei since the introduction of the U.S. restrictions against the company," it said in a statement... Industry insiders said it was possible that Huawei had purchased the memory chips from the secondary market and not directly from the manufacturer. It's also possible Huawei may have had a stockpile of components accumulated before the U.S. export curbs kicked in fully.
Thanks to long-time Slashdot reader hackingbear for sharing the news.

According to Android specialist Mishaal Rahman, Android miscalculates the storage space taken up by system components, leading to inflated system storage utilization and potentially misleading users. Chandraveer Mathur writes via Android Police. From the report: We usually rely on Android's storage utilization utility to find apps and files eating up storage space, so we can uninstall or delete them if required. However, Android specialist Mishaal Rahman discovered that Google's calculation of the space consumed by Android system components is flawed. He executed shell commands to create a 3GB file in the /data/media/0 storage directory, which isn't a file path used for Android system files. However, the phone's storage breakdown showed a marked 3GB increase under the System heading, suggesting the OS suddenly became bigger.

This happens because Android calculates system storage as the space used up by anything other than what's covered by other categories in the storage breakdown, including audios, videos, images, documents, trash, and games. This means the System heading in the break doesn't just include Android system files. Android 14 also uses this dangerously flawed logic for calculating storage usage. Moreover, the Files app by Google also shows similar storage utilization by Android system components, perhaps because it uses the same incredulous attribution logic. By association, all other Android skins use flawed calculation of used storage space, but Samsung reportedly fixed this issue with the One UI 6 update. After running similar ADB commands as in the previous experiment, Rahman could confirm the increased utilization showed up under the Other files heading in the storage breakdown, instead of the System heading.

Cerabyte, a technology startup pioneering ceramic nanolayer-based storage, claims it will usher in the "Yottabyte Era" and disrupt the $500 billion storage market in the process. Tom's Hardware reports: More specifically, its roadmaps sketch out CeraMemory cartridges (2025-30) storing between 10 PB and 100 PB, and its CeraTape (2030-35) with up to 1 EB capacity per tape. According to the startup, these new formats are poised to address density, performance, and access paradigms, as well as the cost and sustainability demands of datacenters. Cerabyte, a German storage startup, has published an abstract from its upcoming presentation at the 2023 Storage Developer Conference in Fremont, California (h/t Blocks and Files). Here, for the first time, it will detail how it will introduce CeraMemory with inorganic nanolayers, using 50-100 atoms thick ceramics to store information. Scaling ceramic data storage technology from 100nm to 3nm bit sizes will scale the corresponding data density from GB/cm2 to units measured in TB/cm2, reckons Cerabyte.

To record data to CeraMemory, Cerabyte says that a laser beam or particle beam structures data matrices similar to QR codes. Data reading can be done with equipment using high-resolution microscopic imaging techniques or electron beam microscopy. Initially, there will be no need for particle beams/electron microscopy, as those technologies will only be required later in the roadmaps at the highest densities. In its abstract from the 'Ceramic Nano Memory -- Data Storage for the Yottabyte Era' presentation, Cerabyte says its technology can read and write data at GB/s class speeds. These read/write technologies are "low power," according to the storage startup. Another seemingly excellent inherent property of ceramic storage is the touted media durability and longevity. On its website, Cerabyte says that its media can last "5,000+ years" and that the data stored can ensure through "a wide temperature range of -273C (-460F) to 300C (570F)." We have used quotes here, as those are extraordinary figures. Additionally, it is boasted that CeraMemory is resistant to corrosive, acidic, radioactive environments and EMP disruption.

An anonymous reader quotes a report from BleepingComputer: Toyota says a recent disruption of operations in Japan-based production plants was caused by its database servers running out of storage space. On August 29th, it was reported that Toyota had to halt operations on 12 of its 14 Japan-based car assembly plants due to an undefined system malfunction. As one of the largest automakers in the world, the situation caused production output losses of roughly 13,000 cars daily, threatening to impact exports to the global market.

In a statement released today on Toyota's Japanese news portal, the company explains that the malfunction occurred during a planned IT systems maintenance event on August 27th, 2023. The planned maintenance was to organize the data and deletion of fragmented data in a database. However, as the storage was filled to capacity before the completion of the tasks, an error occurred, causing the system to shut down. This shutdown directly impacted the company's production ordering system so that no production tasks could be planned and executed.

Toyota explains that its main servers and backup machines operate on the same system. Due to this, both systems faced the same failure, making a switchover impossible, inevitably leading to a halt in factory operations. The restoration came on August 29th, 2023, when Toyota's IT team had prepared a larger capacity server to accept the data that was partially transferred two days back. This allowed Toyota's engineers to restore the production ordering system and the plants to resume operations.

The British Conservative government has eased planning rules and lifted restrictions that had effectively prohibited the construction of new onshore wind farms in England. The Independent reports: Rules introduced in 2015 by then-Prime Minister David Cameron, who also led a Conservative administration, allowed a single objection to a wind turbine application to block its development. The regulations led to a dramatic decline in the number of new turbines granted planning permission. Some Conservatives pressured the current government to overturn the rules. Lawmaker Alok Sharma, who was president of the 2021 U.N. climate change conference and led the lobbying campaign, called them "outdated" and "not a sensible way for a planning system to operate."

Authorities said Tuesday that the eased restrictions mean that onshore wind projects supported by local residents will get approved more quickly. They said elected local officials will have the ability to make final decisions based on the prevailing view of their communities, not just a small number of objectors. Communities that back wind turbines in their areas will also benefit from cheaper electricity, officials said, adding that the way such energy discounts work would be considered later.

An anonymous reader shared this report from the Washington Post: On April 26, 1986, the infamous explosion at a Chernobyl nuclear power plant unleashed large amounts of radiation into the atmosphere, an event that contaminated wildlife across country lines. The radiation levels seen in animals as a result has decreased in recent years — with the exception of one animal: the wild boar. For years, scientists questioned why levels of a radioactive isotope known as cesium-137 have remained surprisingly high in wild boars rooting around Germany and Austria, while decreasing in other deer and roe deer. In a new study released last week, a team of researchers finally solved this "wild boar paradox."

They uncovered that the main radioactive source is not the Chernobyl accident but nuclear weapons testing from the 1960s...

Radioactive cesium results from both nuclear weapons explosion and nuclear energy production. The element comes in different isotopic composition, cesium-135 and cesium-137, depending on the source. By analyzing the ratio of these amounts, the researchers can pinpoint the source of the radiation... In the nearly 50 collected meat samples, the team found 88 percent of the samples were above Germany's regulatory limits for radioactive cesium in food. Calculating the ratio of cesium isotopes in the samples, they found that nuclear weapons testing accounted for 10 to 68 percent of the contamination. Even if the Chernobyl accident had never happened, "some of the wild boars would actually still exceed the regulatory limits for food safety limits only because of the weapons tests today," said Georg Steinhauser, a radiochemist at TU Wien and author of the new study. "I think this is pretty mind-blowing because they were 60 years ago."

Steinhauser said the wild boars probably ingested the cesium from contaminated deer truffle mushrooms, which they dig up and eat during the winter when corn and acorns on the ground are scarce. Cesium seeps through the soil and is absorbed by the mushrooms, as if it were a nutrient. This also explains why observations show radioactivity levels in wild boar are higher in the winter. While cesium from both the nuclear weapons testing and the Chernobyl accident spread through the soil, Steinhauser said, the mushrooms appear to have fully absorbed the source from the nuclear weapons testing so far. Cesium seeps very slowly through the soil, sometimes only one millimeter per year, he said. Deer truffles, located between 20 and 40 centimeters, have already absorbed the "older" cesium from six decades ago. The "younger" cesium from Chernobyl has likely not fully integrated or is just now integrating at the soil depths where the mushrooms are located. But it could be bad news when the cesium from Chernobyl does reach the mushrooms — radioactivity levels could go up higher.
The study's author says his study isn't arguing for or against the use of nuclear energy — but does say that "it has to be done responsibly." He calls the study's results "a cautionary tale that we have to take good care of our environment," said Steinhauser. "Once released, a radioactive substance can never be unreleased again — and nature doesn't forget."

The BBC has an article about Japan's release into the sea of treated waste water from the damaged Fukushima nuclear plant. "Scientists largely agree that the impact will be negligible, but China has strongly protested the release. And disinformation has only fuelled fear and suspicion in China." A report by a UK-based data analysis company called Logically, which aims to fight misinformation, claims that since January, the Chinese government and state media have been running a coordinated disinformation campaign targeting the release of the waste water. As part of this, mainstream news outlets in China have continually questioned the science behind the nuclear waste water discharge. The rhetoric has only increased since the water was released on 24 August, stoking public anger... Japan's foreign ministry even warned its citizens in China to be cautious and to avoid speaking Japanese loudly in public...

Logically's data also showed that, since the beginning of the year, state-owned media have run paid ads on Facebook and Instagram, without disclaimers, about the risks of the waste water release in multiple countries and languages, including English, German, and Khmer. "It is quite evident that this is politically motivated," Hamsini Hariharan, a China expert at Logically, told the BBC. She added that misleading content from sources related to the Chinese government had intensified the public outcry...

Dozens of posts on Chinese social media Weibo showed panicked crowds buying giant sacks of salt ahead of the Fukushima water release. Some worried that future supply would be contaminated. Others believed — falsely — that salt protected them against radiation. A restaurant in Shanghai, in an apparent effort to profit off the hysteria, advertised "anti-radiation" meals with errant claims of reducing skin damage and cell regeneration. A social media user asked wryly, "Why would I pay 28 yuan for tomato with seasoning?"

"France and Germany lead the camps in disagreeing on the future of nuclear in Europe," write two climate policy journalists. On the Energy Post blog they explore why — citing energy experts and politicians.

Germany "ultimately completed its nuclear exit in April 2023," while France "has the highest share of nuclear in the energy mix of any country in the world." [A] major concern is that more nuclear means less renewables, at a time when wind and solar need all the scale they can get... In a joint attempt to provide greater technical clarity on the nuclear power debate, French think tank IDDRI and German Agora Energiewende set out in 2018 to understand how nuclear energy will influence the transformation of energy systems in both countries. They found that if a high share of coal or nuclear based conventional power capacity stays online in both countries, this will likely to delay the time when market prices allow renewable power operators to cover their production costs and run the operations at a profit. They also found that exporting surplus electricity with conventional plants bites into renewable power investments abroad. At the same time, the growing share of renewables would eventually render most conventional plants unprofitable. "In order to avoid stranded assets, it is essential to gradually reduce conventional capacities," the bi-national report concluded...

Xavier Moreno, president of French think tank Ecological Realities and Energy Mix Study Circle (Cereme) and former vice president of French utility company Suez, said the all-renewables approach was complicated by a lack of viable electricity storage technologies. "Technically speaking, it would be necessary to store up to 20 percent to be able to smoothen renewable power supply." Those who believe that this will be possible through a combination of different storage options are chasing "a dream," Moreno argued.
The issue comes up when trading power in Europe's integrated energy market: should gate closure times be based on a decentralised, flexible renewables-based system, or a centralised grid based on nuclear baseloads? Rainer Hinrichs-Rahlwes, European policy expert for the German Renewable Energy Federation lobby group, says "Nuclear power plants and their inflexible output can cause grid congestion, the opposite of what is needed to accommodate large shares of wind and solar in a modern and flexible grid system."

The article notes that France plans to eliminate coal use by 2038, and already has one of the lowest emissions per head of any rich country. But "In mid-2023, 800 French scientists warned against the risks of the country's new nuclear programme, pointing to unresolved questions of radioactive waste management, which remain largely unresolved in most of the EU, including in France. The scientists also warned against risks of accidental contamination or meltdown."

Thanks to Slashdot reader AleRunner for submitting the article.

An anonymous reader quotes a report from ExtremeTech: Slowly but surely, sales of electric cars have crept upward as traditional automakers finally embrace EVs. Nissan was early to the electric future with the venerable if modest Leaf. Nissan is now looking to turn old Leafs into something new by harvesting their batteries. The company has begun selling portable power banks built around refurbished automotive batteries, which could give these expensive Leaf cells a new lease on life. The Lithium-ion cells in vehicles have the same properties as the battery in your phone. They start out with a specific power rating, but successive discharge-recharge cycles cause physical stress to the internal structure. Eventually, this results in reduced capacity and voltage. However, Nissan says most Leaf owners stop driving the car before the battery stops working. In fact, many of the individual cells are still in good shape when the vehicles are discarded.

Each Nissan Leaf has around 48 lithium-ion battery modules -- the exact number depends on model. While some may be in poor shape at the end of a car's life, Nissan has taken to disassembling the battery packs to refurbish working modules. The result is the Nissan portable power station, which was developed in partnership with JVCKenwood Corp. and 4R Energy Corp. The bulky 32-pound portable chargers contain two Leaf battery modules with about 80% of their original capacity intact. They're no longer suitable for driving an EV, but they can still charge your phone. Nissan sells the battery packs in Japan for 170,500 yen (about $1,170). That might sound like a lot, but it's actually not bad for a super high-capacity battery pack. Each of Nissan's current-gen battery modules is 1.67 kWh, which converts to 112 Ah (112,000 mAh). Assuming a 20% loss in capacity, two of them would have enough juice to charge the largest current iPhone more than 40 times.