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Submission + - It's Official: 'Ghost Particle' That Smashed Into Earth Breaks Records (sciencealert.com)

alternative_right writes: In February 2023, a detector called KM3NeT, located deep under the Mediterranean Sea, picked up a signal that seemed to indicate a neutrino with a record-shattering energy of 220 petaelectronvolts (PeV). For reference, the previous record was a mere 10 PeV.

Now, an exhaustive analysis of all the data on and around the event, designated KM3-230213A, not only supports the conclusions that the signal was caused by a 220-PeV neutrino, but adds to the mystery about where the heck in the Universe it came from.

Submission + - The disappearing planet next door has astronomers intrigued (sciencedaily.com)

alternative_right writes: NASA’s James Webb Space Telescope has detected strong evidence for a giant planet orbiting Alpha Centauri A, the nearest Sun-like star to Earth. Located just 4 light-years away, this possible Saturn-mass world may travel between one and two times the distance from its star that Earth does from the Sun. The planet appears to lie in the habitable zone, though its gas giant nature makes it unlikely to host life.

FYI 4 Light Years 23,514,501,492,734 Miles

Submission + - Uranus has a fiery secret (sciencedaily.com) 3

alternative_right writes: Uranus emits more heat than it gets from the Sun, meaning it still carries internal warmth from its ancient formation. This revelation rewrites what scientists know about the ice giant’s history, strengthens the case for NASA’s upcoming mission, and offers fresh insight into the forces shaping not only other planets, but also Earth’s future climate.

Submission + - Clean energy just put China's CO2 emissions into reverse for first time (carbonbrief.org)

AmiMoJo writes: For the first time, the growth in China’s clean power generation has caused the nation’s carbon dioxide (CO2) emissions to fall despite rapid power demand growth. The new analysis for Carbon Brief shows that China’s emissions were down 1.6% year-on-year in the first quarter of 2025 and by 1% in the latest 12 months. Electricity supply from new wind, solar and nuclear capacity was enough to cut coal-power output even as demand surged, whereas previous falls were due to weak growth.

The analysis, based on official figures and commercial data, shows that China’s CO2 emissions have now been stable, or falling, for more than a year. However, they remain only 1% below the latest peak, implying that any short-term jump could cause China’s CO2 emissions to rise to a new record. Growth in clean power generation has now overtaken the current and long-term average growth in electricity demand, pushing down fossil fuel use.

Submission + - Cats Develop Dementia In a Similar Way to Humans (bbc.com)

An anonymous reader writes: Experts at the University of Edinburgh carried out a post-mortem brain examination on 25 cats which had symptoms of dementia in life, including confusion, sleep disruption and an increase in vocalisation. They found a build-up of amyloid-beta, a toxic protein and one of the defining features of Alzheimer's disease. The discovery has been hailed as a "perfect natural model for Alzheimer's" by scientists who believe it will help them explore new treatments for humans.

Dr Robert McGeachan, study lead from the University of Edinburgh's Royal (Dick) School of Veterinary Studies, said: "Dementia is a devastating disease — whether it affects humans, cats, or dogs. Our findings highlight the striking similarities between feline dementia and Alzheimer's disease in people. This opens the door to exploring whether promising new treatments for human Alzheimer's disease could also help our ageing pets." [...]

Previously, researchers have studied genetically-modified rodents, although the species does not naturally suffer from dementia. "Because cats naturally develop these brain changes, they may also offer a more accurate model of the disease than traditional laboratory animals, ultimately benefiting both species and their caregivers," Dr McGeachan said. [...] Prof Danielle Gunn-Moore, an expert in feline medicine at the vet school, said the discovery could also help to understand and manage feline dementia.

Submission + - Feds Used Local Cop's Password to Do Immigration Surveillance With Flock Cameras (404media.co)

darwinmac writes: According to a report by 404 Media, a DEA agent on a Chicago-area task force used a Palos Heights police detective’s Flock automated license plate reader login to search for someone suspected of an “immigration violation” and did it without the officer’s knowledge. That password belonged to Detective Todd Hutchinson and has now been changed.

This is problematic on multiple levels. First, using license plate reader systems for immigration enforcement is illegal under Illinois law. Second, casually sharing access between local cops and federal agents violates Flock’s terms of service.

An internal Palos Heights PD memo confirmed that Hutchinson routinely allowed others on the task force to use his login for narcotics cases. In late January 2025, one of those DEA agents ran 24 searches using the term “immigration violation.” Even after the incident came to light, the officer “remains one of our greatest officers,” according to a deputy chief.

Submission + - Boston Public Library Aims To Increase Access To Vast Historic Archive Using AI (npr.org)

An anonymous reader writes: Boston Public Library, one of the oldest and largest public library systems in the country, is launching a project this summer with OpenAI and Harvard Law School to make its trove of historically significant government documents more accessible to the public. The documents date back to the early 1800s and include oral histories, congressional reports and surveys of different industries and communities. "It really is an incredible repository of primary source materials covering the whole history of the United States as it has been expressed through government publications," said Jessica Chapel, the Boston Public Library's chief of digital and online services.

Currently, members of the public who want to access these documents must show up in person. The project will enhance the metadata of each document and will enable users to search and cross-reference entire texts from anywhere in the world. Chapel said Boston Public Library plans to digitize 5,000 documents by the end of the year, and if all goes well, grow the project from there. Because of this historic collection's massive size and fragility, getting to this goal is a daunting process. Every item has to be run through a scanner by hand. It takes about an hour to do 300-400 pages.

Harvard University said it could help. Researchers at the Harvard Law School Library's Institutional Data Initiative are working with libraries, museums and archives on a number of fronts, including training new AI models to help libraries enhance the searchability of their collections. AI companies help fund these efforts, and in return get to train their large language models on high-quality materials that are out of copyright and therefore less likely to lead to lawsuits. "Having information institutions like libraries involved in building a sustainable data ecosystem for AI is critical, because it not just improves the amount of data we have available, it improves the quality of the data and our understanding of what's in it," said Burton Davis, vice president of Microsoft's intellectual property group. [...] OpenAI is helping Boston Public Library cover such costs as scanning and project management. The tech company does not have exclusive rights to the digitized data.

Submission + - By learning to harness light like nature, we're launching a new era of green che (phys.org)

alternative_right writes: In the Polyzos research group at the School of Chemistry, we have developed a new class of photocatalysts that, like plants, can absorb energy from multiple photons.

This breakthrough allows us to harness light energy more effectively, driving challenging and energy-demanding chemical reactions.

Submission + - China Urges Firms To Avoid Nvidia H20 Chips After Trump Resumes Sales (yahoo.com)

An anonymous reader writes: Beijing has urged local companies to avoid using Nvidia’s H20 processors, particularly for government-related purposes, complicating the chipmaker’s return to China after the Trump administration reversed an effective US ban on such sales. Over the past few weeks, Chinese authorities have sent notices to a range of firms discouraging use of the less-advanced semiconductors, people familiar with the matter said. The guidance was particularly strong against the use of H20s for any government or national security-related work by state enterprises or private companies, said the people, who asked not to be identified because the information is sensitive. The letters didn’t, however, constitute an outright ban on H20 use, according to the people. Industry analysts broadly agree that Chinese companies still covet those chips, which perform quite well in certain crucial AI applications. President Donald Trump said Monday that the processor “still has a market” in the Asian country despite also calling it “obsolete.”

Beijing’s stance could limit Trump’s ability to turn his export control about-face into a windfall for government coffers, a deal that highlighted his administration’s transactional approach to national security policies long treated as nonnegotiable. Still, Chinese companies may not be ready to jump ship to local semiconductors. “Chips from domestic manufacturers are improving dramatically in quality, but they might not be as versatile for specific workloads that China’s domestic AI industry hopes to focus on,” said Homin Lee, a senior macro strategist at Lombard Odier in Singapore. Lee added that he anticipates “strong” demand for the chips the Trump administration is allowing Nvidia and AMD to sell.

Rosenblatt Securities analyst Kevin Cassidy said he doesn’t anticipate that Nvidia’s processor sales to China will be affected because “Chinese companies are going to want to use the best chips available.” Nvidia and AMD’s chips are superior to local alternatives, he said. Beijing asked companies about that issue in some of its letters, according to one of the people, posing questions such as why they buy Nvidia H20 chips over local versions, whether that’s a necessary choice given domestic options, and whether they’ve found any security concerns in the Nvidia hardware. The notices coincide with state media reports that cast doubt on the security and reliability of H20 processors. Chinese regulators have raised those concerns directly with Nvidia, which has repeatedly denied that its chips contain such vulnerabilities.

The Financial Times reported that some Chinese companies are planning to decrease orders of Nvidia chips in response to the letters. Right now, the people said, China’s most stringent chip guidance is limited to sensitive applications, a situation that bears similarities to the way Beijing restricted Tesla vehicles and Apple iPhones in certain institutions and locations over security concerns. China’s government also at one point barred the use of Micron Technology Inc. chips in critical infrastructure. It’s possible that Beijing may extend its heavier-handed Nvidia and AMD guidance to a wider range of settings, according to one person with direct knowledge of the deliberations, who said that those conversations are in early stages.

Submission + - In Barcelona, certain buses run on biomethane produced from human waste (lemonde.fr)

alternative_right writes: Odorless, quiet, sustainable. On the last day of July, passengers boarded Barcelona's V3 bus line with no idea where its fuel came from. Written in large letters on the bus façade, just below its name "Nimbus," a sign clearly stated: "This bus runs on biomethane produced from eco-factory sludge." Still, the explanation was likely too vague for most to grasp its full meaning. The moist matter from wastewater treated at the Baix Llobregat treatment plant was used to produce the biomethane. In other words: the human waste of more than 1.5 million residents of the Catalan city.

Submission + - Mozilla under fire for Firefox AI "bloat" that blows up CPU and drains battery (neowin.net)

darwinmac writes: Firefox 141 rolled out a shiny new AI-powered smart tab grouping feature (it tries to auto-organize your tabs using a local model), but it turns out the local "Inference" process that powers it is acting like an energy-sucking monster. Users are reporting massive CPU spikes and battery drain and calling the feature "garbage" thats ruining their browsing experience.

As one Redditor puts it: "I dont want this garbage bloating my browser, blowing up my CPU, and killing my battery life. There is absolutely no reason for it, its not a good feature, and its absolutely humiliating for Firefox to be jumping on this bandwagon. The point of a browser is to DOWNLOAD AND RENDER WEB PAGES."

If your laptops fans sound like a jet taking off, you can kill the AI tab groups by heading to about:config and setting browser.tabs.groups.smart.enabled to false.

Might be worth keeping that in mind before letting generative AI roam free in your browser.

Submission + - Behind the Curtain: Your smarter fake friends (axios.com)

alternative_right writes: The next generation of bots will build psychological profiles on you — and potentially billions of others — and like, comment and interact the same as normal people.

The threat of smarter, more realistic fake friends transcends malicious actors trying to warp your sense of politics — or reality. It hits your most personal inner thoughts and struggles.

Submission + - The U.S. Army Is Testing AI Controlled Ground Drones Near a Border with Russia (404media.co)

alternative_right writes: The U.S. Army tested a fully AI controlled ground vehicle in Vaziani, Georgia—about 100 miles from the Russian border—last month as part of a training exercise. In military-published footage, an all wheel, off-road vehicle about the size of a car called ULTRA navigated the European terrain with ease. The training exercise had the ULTRA resupplying soldiers, but both the military and the machine’s creator think it could do much more.

The Pentagon has invested in drones and AI for decades, long claiming that both are the future of war. The appearance of the ULTRA signals a time when AI controlled robots will populate the battlefields of the near future.

Submission + - Meteorite that hit home is older than Earth, scientists say (bbc.com)

alternative_right writes: Researchers at the University of Georgia examined a fragment of the rock that pierced the roof of a home in the city of McDonough.

They found that, based on the type of meteorite, it is expected to have formed 4.56 billion years ago, making it roughly 20 million years older than Earth.

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