Technology

Mathematicians have identified the first shape that cannot pass through itself. Jakob Steininger and Sergey Yurkevich described the Noperthedron in a paper posted online in August. The shape has 90 vertices and 152 faces. The discovery resolves a question that began in the late 1600s when Prince Rupert of the Rhine won a bet by proving one cube could slide through a tunnel bored through another. Mathematician John Wallis confirmed this mathematically in 1693. The property became known as the Rupert property. In 1968, Christoph Scriba proved the tetrahedron and octahedron also possess this quality. Over the past decade, researchers found Rupert tunnels through many symmetric polyhedra, including the dodecahedron and icosahedron. Mathematicians had conjectured every convex polyhedron would have the Rupert property. Steininger and Yurkevich divided the space of possible orientations into approximately 18 million blocks and tested each. None produced a passage. The Noperthedron consists of 150 triangles and two regular 15-sided polygons.

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Apple is moving ahead with plans to bring advertising to its Maps app. Starting next year, businesses will be able to pay for more prominent placement within search results, according to Bloomberg [non-paywalled source]. The approach mirrors Search Ads in the App Store, where developers purchase promoted slots based on user queries. Apple has said the sponsored results will remain relevant to searches.

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Finland's fertility rate has dropped below 1.3 children per woman, the lowest among Nordic countries and far beneath the 2.1 replacement level needed to maintain a steady population. The rate has declined by a third since 2010. Kela, Finland's social insurance agency, started distributing 2025 "baby boxes" -- filled with clothing and other infant supplies -- in August instead of spring because so many 2024 boxes remained unclaimed. More parents now choose cash payments over the traditional boxes filled with infant supplies. The decline puzzles researchers because Finland offers paid parental leave for both mothers and fathers, subsidized childcare and national healthcare. Anneli Miettinen, Kela's research manager, said that good family policies no longer explain birth rates in Nordic countries. Immigration has offset some population loss, but officials worry about workforce shrinkage and pension system strain. Anna Rotkirch, who authored a government-commissioned report, found that many 17-year-olds describe wanting a house, garden, spouse and three children. Her research suggests young people struggle to form relationships, focus on education and careers, and delay childbearing. Some researchers attribute relationship difficulties to technology reducing physical interactions.

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Australia's competition regulator sued Microsoft today, accusing it of misleading millions of customers into paying higher prices for its Microsoft 365 software after bundling it with AI tool Copilot. From a report: The Australian Competition and Consumer Commission alleged that from October 2024, the technology giant misled about 2.7 million customers by suggesting they had to move to higher-priced Microsoft 365 personal and family plans that included Copilot. After the integration of Copilot, the annual subscription price of the Microsoft 365 personal plan increased by 45% to A$159 ($103.32) and the price of the family plan increased by 29% to A$179, the ACCC said. The regulator said Microsoft failed to clearly tell users that a cheaper "classic" plan without Copilot was still available.

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The U.S. has formed a $1 billion partnership with AMD to construct two supercomputers that will tackle large scientific problems ranging from nuclear power to cancer treatments to national security, said Energy Secretary Chris Wright and AMD CEO Lisa Su. From a report: The U.S. is building the two machines to ensure the country has enough supercomputers to run increasingly complex experiments that require harnessing enormous amounts of data-crunching capability. The machines can accelerate the process of making scientific discoveries in areas the U.S. is focused on. Energy Secretary Wright said the systems would "supercharge" advances in nuclear power and fusion energy, technologies for defense and national security, and the development of drugs. Scientists and companies are trying to replicate fusion, the reaction that fuels the sun, by jamming light atoms in a plasma gas under intense heat and pressure to release massive amounts of energy. "We've made great progress, but plasmas are unstable, and we need to recreate the center of the sun on Earth," Wright told Reuters.

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Countries signed their first UN treaty targeting cybercrime in Hanoi on Saturday, despite opposition from an unlikely band of tech companies and rights groups warning of expanded state surveillance. From a report: The new global legal framework aims to strengthen international cooperation to fight digital crimes, from child pornography to transnational cyberscams and money laundering. More than 60 countries were seen to sign the declaration Saturday, which means it will go into force once ratified by those states. UN Secretary General Antonio Guterres described the signing as an "important milestone", but that it was "only the beginning". "Every day, sophisticated scams, destroy families, steal migrants and drain billions of dollars from our economy... We need a strong, connected global response," he said at the opening ceremony in Vietnam's capital on Saturday. The UN Convention against Cybercrime was first proposed by Russian diplomats in 2017, and approved by consensus last year after lengthy negotiations. Critics say its broad language could lead to abuses of power and enable the cross-border repression of government critics.

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Electronic Arts has spent the past year pushing its nearly 15,000 employees to use AI for everything from code generation to scripting difficult conversations about pay. Employees in some areas must complete multiple AI training courses and use tools like the company's in-house chatbot ReefGPT daily. The tools produce flawed code and hallucinations that employees then spend time correcting. Staff say the AI creates more work rather than less, according to Business Insider. They fix mistakes while simultaneously training the programs on their own work. Creative employees fear the technology will eventually eliminate demand for character artists and level designers. One recently laid-off senior quality-assurance designer says AI performed a key part of his job -- reviewing and summarizing feedback from hundreds of play testers. He suspects this contributed to his termination when about 100 colleagues were let go this past spring from the company's Respawn Entertainment studio.

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OpenAI's rival Anthropic has a different approach — and "a clearer path to making a sustainable business out of AI," writes the Wall Street Journal. Outside of OpenAI's close partnership with Microsoft, which integrates OpenAI's models into Microsoft's software products, OpenAI mostly caters to the mass market... which has helped OpenAI reach an annual revenue run rate of around $13 billion, around 30% of which it says comes from businesses. Anthropic has generated much less mass-market appeal. The company has said about 80% of its revenue comes from corporate customers. Last month it said it had some 300,000 of them... Its cutting-edge Claude language models have been praised for their aptitude in coding: A July report from Menlo Ventures — which has invested in Anthropic — estimated via a survey that Anthropic had a 42% market share for coding, compared with OpenAI's 21%. Anthropic is also now ahead of OpenAI in market share for overarching corporate AI use, Menlo Ventures estimated, at 32% to OpenAI's 25%. Anthropic is also surprisingly close to OpenAI when it comes to revenue. The company is already at a $7 billion annual run rate and expects to get to $9 billion by the end of the year — a big lead over its better-known rival in revenue per user. Both companies have backing in the form of investments from big tech companies — Microsoft for OpenAI, and a combination of Amazon and Google for Anthropic — that help provide AI computing infrastructure and expose their products to a broad set of customers. But Anthropic's growth path is a lot easier to understand than OpenAI's. Corporate customers are devising a plethora of money-saving uses for AI in areas like coding, drafting legal documents and expediting billing. Those uses are likely to expand in the future and draw more customers to Anthropic, especially as the return on investment for them becomes easier to measure... Demonstrating how much demand there is for Anthropic among corporate customers, Microsoft in September said Anthropic's leading language model, Claude, would be offered within its Copilot suite of software despite Microsoft's ties to OpenAI. "There is also a possibility that OpenAI's mass-market appeal becomes a turnoff for corporate customers," the article adds, "who want AI to be more boring and useful than fun and edgy."

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"Mozilla is introducing a new privacy framework for Firefox extensions that will require developers to disclose whether their add-ons collect or transmit user data..." reports the blog Linuxiac: The policy takes effect on November 3, 2025, and applies to all new Firefox extensions submitted to addons.mozilla.org. According to Mozilla's announcement, extension developers must now include a new key in their manifest.json files. This key specifies whether an extension gathers any personal data. Even extensions that collect nothing must explicitly state "none" in this field to confirm that no data is being collected or shared. This information will be visible to users at multiple points: during the installation prompt, on the extension's listing page on addons.mozilla.org, and in the Permissions and Data section of Firefox's about:addons page. In practice, this means users will be able to see at a glance whether a new extension collects any data before they install it.

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Slashdot reader joshuark writes: Microsoft says that the File Explorer (formerly Windows Explorer) now automatically blocks previews for files downloaded from the Internet to block credential theft attacks via malicious documents, according to a report from BleepingComputer. This attack vector is particularly concerning because it requires no user interaction beyond selecting a file to preview and removes the need to trick a target into actually opening or executing it on their system. For most users, no action is required since the protection is enabled automatically with the October 2025 security update, and existing workflows remain unaffected unless you regularly preview downloaded files. "This change is designed to enhance security by preventing a vulnerability that could leak NTLM hashes when users preview potentially unsafe files," Microsoft says in a support document published Wednesday. It is important to note that this may not take effect immediately and could require signing out and signing back in.

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America's largest university system, with 460,000 students, is the 22-campus "Cal State" system, reports the New York Times. And it's recently teamed with Amazon, OpenAI and Nvidia, hoping to embed chatbots in both teaching and learning to become what it says will be America's "first and largest AI-empowered" university" — and prepare students for "increasingly AI-driven" careers. It's part of a trend of major universities inviting tech companies into "a much bigger role as education thought partners, AI instructors and curriculum providers," argues the New York Times, where "dominant tech companies are now helping to steer what an entire generation of students learn about AI, and how they use it — with little rigorous evidence of educational benefits and mounting concerns that chatbots are spreading misinformation and eroding critical thinking..." "Critics say Silicon Valley's effort to make AI chatbots integral to education amounts to a mass experiment on young people." As part of the effort, [Cal State] is paying OpenAI $16.9 million to provide ChatGPT Edu, the company's tool for schools, to more than half a million students and staff — which OpenAI heralded as the world's largest rollout of ChatGPT to date. Cal State also set up an AI committee, whose members include representatives from a dozen large tech companies, to help identify the skills California employers need and improve students' career opportunities... Cal State is not alone. Last month, California Community Colleges, the nation's largest community college system, announced a collaboration with Google to supply the company's "cutting edge AI tools" and training to 2.1 million students and faculty. In July, Microsoft pledged $4 billion for teaching AI skills in schools, community colleges and to adult workers... [A]s schools like Cal State work to usher in what they call an "AI-driven future," some researchers warn that universities risk ceding their independence to Silicon Valley. "Universities are not tech companies," Olivia Guest and Iris van Rooij, two computational cognitive scientists at Radboud University in the Netherlands, recently said in comments arguing against fast AI adoption in academia. "Our role is to foster critical thinking," the researchers said, "not to follow industry trends uncritically...." Some faculty members have pushed back against the AI effort, as the university system faces steep budget cuts. The multimillion-dollar deal with OpenAI — which the university did not open to bidding from rivals like Google — was wasteful, they added. Faculty senates on several Cal State campuses passed resolutions this year criticizing the AI initiative, saying the university had failed to adequately address students using chatbots to cheat. Professors also said administrators' plans glossed over the risks of AI to students' critical thinking and ignored troubling industry labor practices and environmental costs. Martha Kenney, a professor of women and gender studies at San Francisco State University, described the AI program as a Cal State marketing vehicle helping tech companies promote unproven chatbots as legitimate educational tools. The article notes that Cal State's chief information officer "defended the OpenAI deal, saying the company offered ChatGPT Edu at an unusually low price. "Still, California's community college system landed AI chatbot services from Google for more than 2 million students and faculty — nearly four times the number of users Cal State is paying OpenAI for — for free."

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