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Aujourd’hui — 27 septembre 2024Flux principal

Paralyzed Jockey Loses Ability To Walk After Manufacturer Refuses To Fix Battery For His $100,000 Exoskeleton

Par : BeauHD
26 septembre 2024 à 23:20
An anonymous reader quotes a report from 404 Media: After a horseback riding accident left him paralyzed from the waist down in 2009, former jockey Michael Straight learned to walk again with the help of a $100,000 ReWalk Personal exoskeleton. Earlier this month, that exoskeleton broke because of a malfunctioning piece of wiring in an accompanying watch that makes the exoskeleton work. The manufacturer refused to fix it, saying the machine was now too old to be serviced, and Straight once again couldn't walk anymore. "After 371,091 steps my exoskeleton is being retired after 10 years of unbelievable physical therapy," Straight posted on Facebook on September 16. "The reasons [sic] why it has stopped is a pathetic excuse for a bad company to try and make more money. The reason it stopped is because of a battery in the watch I wear to operate the machine. I called thinking it was no big deal, yet I was told they stopped working on any machine that was 5 years or older. I find it very hard to believe after paying nearly $100,000 for the machine and training that a $20 battery for the watch is the reason I can't walk anymore?" Straight's experience is a nightmare scenario that highlights what happens when companies decide to stop supporting their products and do not actively support independent repair. It's also what happens without the protection of right to repair legislation that requires manufacturers to make repair parts, guides, and tools available to the general public. Specifically, a connection wire became desoldered from the battery in a watch that connects to the exoskeleton: "It's not the actual battery, but it's the little green connection piece we need to be the right fit and that's been our problem," Straight posted on Facebook. Straight's personal exoskeleton was broken for two months, he said in a video on Facebook. He was eventually able to get the device fixed after attention from an article in the Paulick Report, a website about the horse industry, and a spot on local TV. "It took me two months, and I got no results," he said in the video. With social media and news attention, "it only took you all four days, and look at the results," he said earlier this week while standing in the exoskeleton. "This is the dystopian nightmare that we've kind of entered in, where the manufacturer perspective on products is that their responsibility completely ends when it hands it over to a customer. That's not good enough for a device like this, but it's also the same thing we see up and down with every single product," Nathan Proctor, head of citizen rights group US PIRG's right to repair project told 404 Media. "People need to be able to fix things, there needs to be a plan in place. A $100,000 product you can only use as long as the battery lasts, that's enraging. We should not have to tolerate a society where this happens." "We have all this technology we release into the wild and it changes people's lives, but there's no long-term thinking. Manufacturers currently have no legal obligation to support the equipment indefinitely and there's no requirements that they publish sufficient documentation to allow others to do it," Proctor said. "We need to set minimum standards for documentation so that, even if a company goes bankrupt or falls off the face of the earth, a technician with sufficient knowledge can fix it."

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Hier — 26 septembre 2024Flux principal

Google's NotebookLM Can Help You Dive Deeper Into YouTube Videos

Par : BeauHD
26 septembre 2024 à 22:40
The Verge's Emma Roth reports: NotebookLM, Google's AI note-taking app, can now summarize and help you dig deeper into YouTube videos. The new capability works by analyzing the text in a YouTube video's transcript, including autogenerated ones. Once you add a YouTube link to NotebookLM, it will use AI to provide a brief summary of key topics discussed in the transcript. You can then click on these topics to get more detailed information as well as ask questions. (If you're struggling to come up with something to ask, NotebookLM will suggest some questions.) After clicking on some of the topics, I found that NotebookLM backs up the information provided in its chat window with a citation that links you directly to the point in the transcript where it's mentioned. You can also create an Audio Overview based on the content, which is a podcast-style discussion hosted by AI. I found that the feature worked on most of the videos I tried, except for ones published within the past two days or so. [...] In addition to adding support for YouTube videos, Google announced that NotebookLM now supports audio recordings as well, allowing you to search transcribed conversations for certain information and create study guides.

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US Justice Department Probes Super Micro Computer

Par : BeauHD
26 septembre 2024 à 22:00
According to the Wall Street Journal, the U.S. Department of Justice is investigating Super Micro Computer after short-seller Hindenburg Research alleged "accounting manipulation" at the AI server maker. Super Micro's shares fell about 12% following the report. Reuters reports: The WSJ report, which cited people familiar with the matter, said the probe was at an early stage and that a prosecutor at a U.S. attorney's office recently contacted people who may be holding relevant information. The prosecutor has asked for information that appeared to be connected to a former employee who accused the company of accounting violations, the report added. Super Micro had late last month delayed filing its annual report, citing a need to assess "its internal controls over financial reporting," a day after Hindenburg disclosed a short position and made claims of "accounting manipulation." The short-seller had cited a three-month investigation that included interviews with former senior employees of Super Micro and litigation records. Hindenburg's allegations included evidence of undisclosed related-party transactions, failure to abide by export controls, among other issues. The company had denied Hindenburg's claims.

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US Court Orders LibGen To Pay $30 Million To Publishers, Issues Broad Injunction

Par : BeauHD
26 septembre 2024 à 21:20
A New York federal court has ordered (PDF) the operators of shadow library LibGen to pay $30 million in copyright damages to publishers. The default judgment also comes with a broad injunction that affects third-party services including domain registries, browser extensions, CDN providers, IPFS gateways, advertisers, and more. These parties must restrict access to the pirate site. An anonymous reader quotes a report from TorrentFreak: Yesterday, U.S. District Court Judge Colleen McMahon granted the default judgment without any changes. The anonymous LibGen defendants are responsible for willful copyright infringement and their activities should be stopped. "Plaintiffs have been irreparably harmed as a result of Defendants' unlawful conduct and will continue to be irreparably harmed should Defendants be allowed to continue operating the Libgen Sites," the order reads. The order requires the defendants to pay the maximum statutory damages of $150,000 per work, a total of $30 million, for which they are jointly and severally liable. While this is a win on paper, it's unlikely that the publishers will get paid by the LibGen operators, who remain anonymous. To address this concern, the publishers' motion didn't merely ask for $30 million in damages, they also demanded a broad injunction. Granted by the court yesterday, the injunction requires third-party services such as advertising networks, payment processors, hosting providers, CDN services, and IPFS gateways to restrict access to the site. [...] The injunction further targets "browser extensions" and "other tools" that are used to provide direct access to the LibGen Sites. While site blocking by residential Internet providers is mentioned in reference to other countries, ISP blocking is not part of the injunction itself. In addition to the broad measures outlined above, the order further requires domain name registrars and registries to disable or suspend all active LibGen domains, or alternatively, transfer them to the publishers. This includes Libgen.is, the most used domain name with 16 million monthly visits, as well as Libgen.rs, Libgen.li and many others. At the moment, it's unclear how actively managed the LibGen site is, as it has shown signs of decay in recent years. However, when faced with domain seizures, sites typically respond by registering new domains. The publishers are aware of this risk. Therefore, they asked the court to cover future domain names too. The court signed off on this request, which means that newly registered domain names can be taken over as well; at least in theory. [...] All in all, the default judgment isn't just a monetary win, on paper, it's also one of the broadest anti-piracy injunctions we've seen from a U.S. court.

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DoNotPay Has To Pay $193K For Falsely Touting Untested AI Lawyer, FTC Says

Par : BeauHD
26 septembre 2024 à 13:00
An anonymous reader quotes a report from Ars Technica: Among the first AI companies that the Federal Trade Commission has exposed as deceiving consumers is DoNotPay -- which initially was advertised as "the world's first robot lawyer" with the ability to "sue anyone with the click of a button." On Wednesday, the FTC announced that it took action to stop DoNotPay from making bogus claims after learning that the AI startup conducted no testing "to determine whether its AI chatbot's output was equal to the level of a human lawyer." DoNotPay also did not "hire or retain any attorneys" to help verify AI outputs or validate DoNotPay's legal claims. DoNotPay accepted no liability. But to settle the charges that DoNotPay violated the FTC Act, the AI startup agreed to pay $193,000, if the FTC's consent agreement is confirmed following a 30-day public comment period. Additionally, DoNotPay agreed to warn "consumers who subscribed to the service between 2021 and 2023" about the "limitations of law-related features on the service," the FTC said. Moving forward, DoNotPay would also be prohibited under the settlement from making baseless claims that any of its features can be substituted for any professional service. "The complaint relates to the usage of a few hundred customers some years ago (out of millions of people), with services that have long been discontinued," DoNotPay's spokesperson said. The company "is pleased to have worked constructively with the FTC to settle this case and fully resolve these issues, without admitting liability."

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Astronomers Discover Black Hole With Energy Jets Spanning 23 Million Light Years

Par : BeauHD
26 septembre 2024 à 10:00
"The New York Times reports that astronomers have discovered a black hole spitting energy across 23 million light-years of intergalactic space (source paywalled; alternative source)," writes longtime Slashdot reader fahrbot-bot. From the report: Two jets, shooting in opposite directions, compose the biggest lightning bolt ever seen in the sky -- about 140 times as long as our own Milky Way galaxy is wide, and more than 10 times the distance from Earth to Andromeda, the nearest large spiral galaxy. Follow-up observations with optical telescopes traced the eruption to a galaxy 7.5 billion light-years away that existed when the universe was less than half its current age of 14 billion years. At the heart of that galaxy was a black hole spewing energy equivalent to the output of more than a trillion stars. "The Milky Way would be a little dot in these two giant eruptions," said Martijn Oei, a postdoctoral researcher at the California Institute of Technology. Dr. Oei led the team that made the discovery, which was reported in Nature on Sept. 18 and announced on the journal's cover with an illustration reminiscent of a "Star Wars" poster. The astronomers have named the black hole Porphyrion, after a giant in Greek mythology -- a son of Gaia -- who fought the gods and lost. The discovery raises new questions of how such black holes could affect the evolution and structure of the universe.

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Ancient Martian Atmosphere May Be Sequestered In Clay

Par : BeauHD
26 septembre 2024 à 07:00
New research suggests that Mars' missing atmosphere may have been absorbed by minerals in the planet's clays, in a process similar to geological reactions on Earth. It may explain Mars' loss of its atmosphere and potential to support life, with methane possibly still present and usable as an energy source. Longtime Slashdot reader Baron_Yam writes: Conditions on early Mars were highly likely to have had CO2 carried down into the ground by water, where reactions with rock resulted in iron oxide (and Mars' rust-red surface) and released hydrogen, which in turn reacted with the water to form methane that was bound in smectite clays. It's all still there, just under the surface. The research has been published in the journal Science Advances.

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McDonald's Touchscreen Kiosks, Feared As Job Killers, Created More Jobs Instead

Par : BeauHD
26 septembre 2024 à 03:30
An anonymous reader quotes a report from CNN: Some McDonald's franchisees -- which own and operate 95% of McDonald's in the United States -- are now rolling out kiosks that can take cash and accept change. But even in these locations, McDonald's is reassigning cashiers to other roles, including new "guest experience lead" jobs that help customers use the kiosks and assist with any issues. "In theory, kiosks should help save on labor, but in reality, restaurants have added complexity due to mobile ordering and delivery, and the labor saved from kiosks is often reallocated for these efforts," said RJ Hottovy, an analyst who covers the restaurant and retail industries at data analytics firm Placer.ai. Kiosks "have created a restaurant within a restaurant." And in some cases, kiosks have even been a flop. Bowling ally chain Bowlero added kiosks in lanes for customers to order food and drinks, but they went unused because staff and customers weren't fully trained on using them. "The unintended consequences have surprised a lot of people," Hottovy said. Even some of the benefits of kiosks touted by chains -- they upsell customers by suggesting menu items and speed up orders -- don't always play out. A recent study from Temple University researchers found that, when a line forms behind customers using kiosks, they experience more stress when placing their orders and purchase less food. And some customers take longer to order tapping around on kiosks and paying than they do telling a cashier they'd like to order a burger and fries. Not to mention the kiosks can malfunction or break down. "If kiosks really improved speed of service, order accuracy, and upsell, they'd be rolled out more extensively across the industry than they are today," Hottovy said. Kiosks have also been threatened as a fast-food industry response to higher minimum wage laws. [...] But the quick-service and fast-casual segments of the restaurant industry continue to grow. Staffing levels were nearly 150,000 jobs, or 3%, above pre-pandemic levels, according to the latest Labor Department data. Christopher Andrews, a sociologist at Drew University who studies the effects of technology on work, said the impacts of kiosks were similar to other self-service technology such as ATMs and self-checkout machines in supermarkets. Both technologies were predicted to cause job losses. "The introduction of ATMs did not result in massive technological unemployment for bank tellers," he said. "Instead, it freed them up from low-value tasks such as depositing and cashing checks to perform other tasks that created value." Self-checkout have also not resulted in retail job losses, the report adds. "In some cases, self-checkout backfired for chains because self-checkout leads to higher merchandise losses from customer errors and more intentional shoplifting than when human cashiers are ringing up customers."

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Critical Unauthenticated RCE Flaw Impacts All GNU/Linux Systems

Par : BeauHD
26 septembre 2024 à 02:00
"Looks like there's a storm brewing, and it's not good news," writes ancient Slashdot reader jd. "Whether or not the bugs are classically security defects or not, this is extremely bad PR for the Linux and Open Source community. It's not clear from the article whether this affects other Open Source projects, such as FreeBSD." From a report: A critical unauthenticated Remote Code Execution (RCE) vulnerability has been discovered, impacting all GNU/Linux systems. As per agreements with developers, the flaw, which has existed for over a decade, will be fully disclosed in less than two weeks. Despite the severity of the issue, no Common Vulnerabilities and Exposures (CVE) identifiers have been assigned yet, although experts suggest there should be at least three to six. Leading Linux distributors such as Canonical and RedHat have confirmed the flaw's severity, rating it 9.9 out of 10. This indicates the potential for catastrophic damage if exploited. However, despite this acknowledgment, no working fix is still available. Developers remain embroiled in debates over whether some aspects of the vulnerability impact security.

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À partir d’avant-hierFlux principal

OpenAI To Remove Non-Profit Control and Give Sam Altman Equity

Par : BeauHD
25 septembre 2024 à 22:40
OpenAI is working on a plan to restructure its core business into a for-profit benefit corporation that will no longer be controlled by its non-profit board. "Chief executive Sam Altman will also receive equity for the first time in the for-profit company, which could be worth $150 billion after the restructuring as it also tries to remove the cap on returns for investors," reports Reuters. From the report: The OpenAI non-profit will continue to exist and own a minority stake in the for-profit company, the sources said. The move could also have implications for how the company manages AI risks in a new governance structure. [...] The details of the proposed corporate structure, first reported by Reuters, highlight significant governance changes happening behind the scenes at one of the most important AI companies. The plan is still being hashed out with lawyers and shareholders and the timeline for completing the restructuring remains uncertain, the sources said. "We remain focused on building AI that benefits everyone, and we're working with our board to ensure that we're best positioned to succeed in our mission. The non-profit is core to our mission and will continue to exist," an OpenAI spokesperson said. Earlier today, OpenAI's chief technology officer Mira Murati announced her departure from the company. Her resignation follows the departures of founders Ilya Sutskever and John Schulman. Further reading: OpenAI Pitched White House On Unprecedented Data Center Buildout

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Ray-Ban Smart Glasses Updated With Real-Time AI Video, Reminders, and QR Code Scanning

Par : BeauHD
25 septembre 2024 à 22:00
An anonymous reader quotes a report from TechCrunch: Meta CEO Mark Zuckerberg announced updates to the company's Ray-Ban Meta smart glasses at Meta Connect 2024 on Wednesday. [...] Meta says its smart glasses will soon have real-time AI video capabilities, meaning you can ask the Ray Ban Meta glasses questions about what you're seeing in front of you, and Meta AI will verbally answer you in real time. Currently, the Ray-Ban Meta glasses can only take a picture and describe that to you or answer questions about it, but the video upgrade should make the experience more natural, in theory at least. These multimodal features are slated to come later this year. In a demo, users could ask Ray-Ban Meta questions about a meal they were cooking, or city scenes taking place in front of them. The real-time video capabilities mean that Meta's AI should be able to process live action and respond in an audible way. This is easier said than done, however, and we'll have to see how fast and seamless the feature is in practice. We've seen demonstrations of these real-time AI video capabilities from Google and OpenAI, but Meta would be the first to launch such features in a consumer product. Zuckerberg also announced live language translation for Ray-Ban Meta. English speaking users can talk to someone speaking French, Italian, or Spanish, and their Ray-Ban Meta glasses should be able to translate what the other person is saying into their language of choice. Meta says this feature is coming later this year and will include more language later on. The Ray-Ban Meta glasses are getting reminders, which will allow people to ask Meta AI to remind them about things they look at through the smart glasses. In a demo, a user asked their Ray-Ban Meta glasses to remember a jacket they were looking at, so they could share the image with a friend later on. Meta announced that integrations with Amazon Music, Audible, and iHeart are coming to its smart glasses. This should make it easier for people to listen to music on their streaming service of choice using the glasses' built-in speakers. The Ray-Ban Meta glasses will also gain the ability to scan QR codes or phone numbers from the glasses. Users can ask the glasses to scan something, and the QR code will immediately open on the person's phone with no further action required. Zuckerberg also unveiled the company's prototype AR glasses codenamed Orion, which feature a 70-degree field of view, Micro LED projectors, and silicon carbide lenses that beam graphics directly into the wearer's eyes.

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Evan Prodromou Launches The Social Web Foundation To Build Out the Fediverse

Par : BeauHD
25 septembre 2024 à 21:20
Evan Prodromou, co-author of the ActivityPub protocol, has launched The Social Web Foundation to address the challenges of the ActivityPub ecosystem and foster the growth of the Fediverse. The foundation aims to support developers, organizations, and governments through advocacy, educational materials, and infrastructure, while maintaining a decentralized approach to improving the social web. We Distribute reports: "I wish I would've started it five years ago," Evan explains in a call, "We're seeing growth of ActivityPub in the commercial sector, we want to help guide that work, especially for devs that don't know how to engage with the Fediverse, or the work that happens in private spaces. As we're seeing a lot of growth, it's important to help push that growth forward, we're really filling in the crack no other organization is doing." The foundation launches with a dedicated team of three: Evan Prodromou is the Research Director, Mallory Knodel serves as the Executive Director, and Tom Coates acts as Product Director. The trio brings a wealth of knowledge regarding protocol development, open source development, technology policy, and product development for the Web. In terms of fulfilling its goals, the organization has a few specific areas of focus: People, Policy, Protocol, and Plumbing. The SWF has deemed these areas as critical to their mission statement, and will start with these core focuses. [...] At launch, The Social Web Foundation has announced 12 partner organizations, who serve as a pool of knowledge, resources, and stakeholders. The majority of these entities are either building for the Fediverse directly, or providing infrastructure and services indirectly. Aside from Meta being an early supporter, one surprise is the inclusion of The Ford Foundation, a social justice organization dedicated to supporting next-generation solutions for the social good. At time of launch, the SWF will have access to more than 20 dedicated advisors, who will guide the organization on current problem areas their own efforts are facing, and provide insights on how to move forward and make progress. "The Fediverse is too big and too diverse for anyone to claim to speak for the Fediverse. That's not what we want to do or who we want to be," Evan says, "We may do things that people on the network disagree with, like encouraging media organizations to join the network, but what we want to do is help the mission of growing and improving the Fediverse over time."

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Russia Blocks OONI Explorer, a Large Open Dataset On Internet Censorship

Par : BeauHD
25 septembre 2024 à 20:40
As of September 11th, Russia has blocked access to OONI Explorer, citing concerns over circumvention tools. This block affects Russian users' ability to access not only circumvention data but also the extensive dataset on global internet censorship that OONI provides. From a blog post: OONI Explorer is one of the largest open datasets on internet censorship around the world. We first launched this web platform back in 2016 with the goal of enabling researchers, journalists, and human rights defenders to investigate internet censorship based on empirical network measurement data that is contributed by OONI Probe users worldwide. Every day, we publish new measurements from around the world in real-time. Today, OONI Explorer hosts more than 2 billion network measurements collected from 27 thousand distinct networks in 242 countries and territories since 2012. Out of all countries, OONI Probe users in Russia contribute the second largest volume of measurements (following the U.S, where OONI Probe users contribute the most measurements out of any country). This has enabled us to study various cases of internet censorship in Russia, such as the blocking of Tor, the blocking of independent news media websites, and how internet censorship in Russia changed amid the war in Ukraine. In this report, we share OONI data on the blocking of OONI Explorer in Russia.

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OpenAI Pitched White House On Unprecedented Data Center Buildout

Par : BeauHD
25 septembre 2024 à 19:20
An anonymous reader quotes a report from Bloomberg: OpenAI has pitched the Biden administration on the need for massive data centers that could each use as much power as entire cities, framing the unprecedented expansion as necessary to develop more advanced artificial intelligence models and compete with China. Following a recent meeting at the White House, which was attended by OpenAI Chief Executive Officer Sam Altman and other tech leaders, the startup shared a document with government officials outlining the economic and national security benefits of building 5-gigawatt data centers in various US states, based on an analysis the company engaged with outside experts on. To put that in context, 5 gigawatts is roughly the equivalent of five nuclear reactors, or enough to power almost 3 million homes. OpenAI said investing in these facilities would result in tens of thousands of new jobs, boost the gross domestic product and ensure the US can maintain its lead in AI development, according to the document, which was viewed by Bloomberg News. To achieve that, however, the US needs policies that support greater data center capacity, the document said. "Whatever we're talking about is not only something that's never been done, but I don't believe it's feasible as an engineer, as somebody who grew up in this," said Joe Dominguez, CEO of Constellation Energy Corp. "It's certainly not possible under a timeframe that's going to address national security and timing."

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Microsoft Claims Its New Tool Can Correct AI Hallucinations

Par : BeauHD
25 septembre 2024 à 13:00
An anonymous reader quotes a report from TechCrunch: Microsoft today revealed Correction, a service that attempts to automatically revise AI-generated text that's factually wrong. Correction first flags text that may be erroneous -- say, a summary of a company's quarterly earnings call that possibly has misattributed quotes -- then fact-checks it by comparing the text with a source of truth (e.g. uploaded transcripts). Correction, available as part of Microsoft's Azure AI Content Safety API (in preview for now), can be used with any text-generating AI model, including Meta's Llama and OpenAI's GPT-4o. "Correction is powered by a new process of utilizing small language models and large language models to align outputs with grounding documents," a Microsoft spokesperson told TechCrunch. "We hope this new feature supports builders and users of generative AI in fields such as medicine, where application developers determine the accuracy of responses to be of significant importance." Experts caution that this tool doesn't address the root cause of hallucinations. "Microsoft's solution is a pair of cross-referencing, copy-editor-esque meta models designed to highlight and rewrite hallucinations," reports TechCrunch. "A classifier model looks for possibly incorrect, fabricated, or irrelevant snippets of AI-generated text (hallucinations). If it detects hallucinations, the classifier ropes in a second model, a language model, that tries to correct for the hallucinations in accordance with specified 'grounding documents.'" Os Keyes, a PhD candidate at the University of Washington who studies the ethical impact of emerging tech, has doubts about this. "It might reduce some problems," they said, "But it's also going to generate new ones. After all, Correction's hallucination detection library is also presumably capable of hallucinating." Mike Cook, a research fellow at Queen Mary University specializing in AI, added that the tool threatens to compound the trust and explainability issues around AI. "Microsoft, like OpenAI and Google, have created this issue where models are being relied upon in scenarios where they are frequently wrong," he said. "What Microsoft is doing now is repeating the mistake at a higher level. Let's say this takes us from 90% safety to 99% safety -- the issue was never really in that 9%. It's always going to be in the 1% of mistakes we're not yet detecting."

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45 Years Ago CompuServe Connected the World Before the World Wide Web

Par : BeauHD
25 septembre 2024 à 10:00
Tony Isaac shares a report from WOSU Public Media: Silicon Valley has the reputation of being the birthplace of our hyper-connected Internet age, the hub of companies such as Apple, Google and Facebook. However, a pioneering company here in central Ohio is responsible for developing and popularizing many of the technologies we take for granted today. A listener submitted a question to WOSU's Curious Cbus series wanting to know more about the legacy of CompuServe and what it meant to go online before the Internet. That legacy was recently commemorated by the Ohio History Connection when they installed a historical marker in Upper Arlington -- near the corner of Arlington Center and Henderson roads -- where the company located its computer center and corporate building in 1973. The plaque explains that CompuServe was "the first major online information service provider," and that its subscribers were among the first to have access to email, online newspapers and magazines and the ability to share and download files. CompuServe, founded in 1969 in Ohio as a subsidiary of Golden United Life Insurance, began as a computer time-sharing service for businesses. In 1979, it launched an online service for consumers, partnering with RadioShack since they "were key in reaching early computer users." Acquired by H&R Block in 1980, CompuServe became a leader in digital innovations like email, online newspapers, and chat forums, with The Columbus Dispatch becoming the first online newspaper. "... it turned out that what was most popular is not reading reliable news sources, but just shooting the breeze with your friends or arguing with strangers over politics," said former tech journalist and early Compuserve user Dylan Tweney. Despite competing with Prodigy and AOL through the 1990s, CompuServe struggled with the rise of the internet. AOL acquired the company in 1997, but CompuServe remains a digital pioneer for fostering online communities. "For a lot of people, CompuServe was a connection to the world and their first introduction to the idea that their computer could be more than a computer," said Tweney. "It was a communications device, an information device."

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X-Rays From a Nuclear Explosion Could Redirect an Asteroid

Par : BeauHD
25 septembre 2024 à 07:00
Scientists have proposed a method to deflect dangerous asteroids using nuclear explosions, not by directly blowing them up, but by detonating a bomb above the surface to create an X-ray burst that vaporizes part of the asteroid and changes its course. Experiments using the Z machine at Sandia National Laboratories simulated this process, showing that it could potentially redirect even large asteroids to prevent catastrophic impacts on Earth. Space.com reports: In a new study, the researchers employed the Z machine at Sandia National Laboratory, the most powerful laboratory source of radiation in the world. It generates powerful electric pulses, magnetic fields and X-rays to find out how materials react under high pressures and temperatures. "At present, there is only one way to generate an intense enough X-ray burst to do an experiment like this, and that's using the Z Machine," said [Nathan Moore, a physicist at Sandia National Laboratories in Albuquerque, N.M.]. The scientists used electrical pulses from the Z machine to generate powerful magnetic fields. These in turn compressed argon gas to generate plasma, the same form of matter that makes up lightning and stars. This argon plasma produced the X-ray burst the researchers needed to simulate a similar one from a nuclear explosion. "You have to concentrate a lot of power, about 80 trillion watts, into a very small space, the size of a pencil lead, and very quickly, about 100 billionths of second, to generate a hot enough argon plasma, several millions of degrees, to make a powerful enough X-ray burst to heat the asteroid material surface to tens of thousands of degrees to give it enough push," Moore said. The scientists hung up a pair of targets in a vacuum, each 0.47 inches (12 millimeters) wide -- one made of quartz, the other of fused silica. These materials are similar in composition to known asteroids. Previous attempts to study various asteroid deflection strategies all held targets fixed in place, "which wasn't very realistic," Moore said. "After all, asteroids in outer space aren't attached to anything. Besides, how would a mock asteroid accelerate realistically if it was anchored down?" To overcome this problem, the researchers devised what they called "X-ray scissors." They hung the targets up using thin metal foil just 13 microns thick, or about one-eighth the thickness of an average human hair. This foil vaporized when the X-rays hit it, freeing the targets to accelerate naturally in space. The X-ray pulses generated vapor plumes from each target and accelerated each one to about 155 mph (250 km/h), matching computational predictions. "The ability to deflect miniature asteroids in a laboratory using the Z Machine is unlike anything else you can do anywhere else on Earth," Moore said. Scaling these findings up to a 2.5-mile-wide (4 kilometer) asteroid, with a 1 megaton nuclear bomb exploding about 1.25 miles (2 km) from its surface, the researchers suggested the resulting push could help deflect dangerous asteroids away from Earth. "For reference, a 4-km [2.5-mile] asteroid is predicted to be large enough to cause global devastation and possible disruption of civilization, according to the NASA Planetary Defense Strategy and Action Plan," Moore said. Moore noted that asteroids come in a variety of compositions. "This new technique can be used to investigate the deflection response of different asteroid materials," he said. "Understanding how different asteroid materials vaporize and deflect will be critical for preparing for a planetary defense mission, should the need arise." The study has been published in the journal Nature Physics.

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Car Software Patches Are Over 20% of Recalls, Study Finds

Par : BeauHD
25 septembre 2024 à 03:30
An anonymous reader quotes a report from Ars Technica: Software fixes are now responsible for more than 1 in 5 automotive recalls. That's the key finding from a decade's worth of National Highway Traffic Safety Administration recall data, according to an analysis from the law firm DeMayo Law. While that's a sign of growing inconvenience for drivers, the silver lining is that a software patch is usually a much quicker fix than something requiring hardware replacement. "Our analysis suggests we're witnessing a shift in how automotive recalls are handled. The growing number of software-related recalls, coupled with the ability to address issues remotely, could revolutionize the recall process for both manufacturers and vehicle owners," said a spokesperson for DeMayo Law. In 2014, 34 of 277 automotive recalls were software fixes. The percentage of software recalls floated around 12-13 percent (apart from a spike in 2015) before growing steadily from 2020. In 2021, 16 percent of automotive recalls (61 out of 380) were for software. In 2022, almost 22 percent of recalls were software fixes (76 out of 348), and last year topped 23 percent (82 out of 356). Leading the way was Chrysler, with 82 different software recalls since 2014. Ford (66 recalls) and Mercedes-Benz (60) are the two runner-ups. Meanwhile, Tesla ranks only eighth, with 26 software recalls since 2014, which puts it on par with Hyundai (25) and Kia (25). Electrical systems were the most common problem area, which makes sense -- this is also the second-most common hardware fix recall and would probably be the top if it were not for the massive Takata airbag recall, which has affected more than 100 million cars worldwide. The other common systems affected by recalls requiring software remedies were related to backover prevention -- whether that be reversing cameras, collision warnings, or automatic emergency braking -- airbags, powertrains, and exterior lighting. "It should be noted that not all recalls involving a software fix are to solve a software problem," notes Ars' Jonathan M. Gitlin. "Take the recent Jaguar I-Pace recall, which was triggered by battery fires caused by battery cells damaged during assembly. Jaguar's fix? A software update that sets a new, lower limit to the storage capacity of the battery pack, preventing it from fully charging to 100 percent."

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ByteDance Is Shutting Down TikTok Music Globally

Par : BeauHD
25 septembre 2024 à 02:10
In November, ByteDance's TikTok Music will be shut down in all the countries it currently operates in, including Indonesia, Brazil, Australia, Singapore, and Mexico. A notice on the service's website reads: "We are sorry to inform you that TikTok Music will be closing on 28 November 2024." TechCrunch reports: Subscribers can continue to use the service until November 28, after which renewals will be automatically canceled, the notice said. Users who want to transfer their playlists to other streaming services will need to do so by October 28, and refund requests need to be submitted by November 28. TikTok said that it will continue partnering with music streaming services rather than competing with them. In February, the company launched the "Add to Music" feature on TikTok that lets users add tracks directly to a playlist on Apple Music, Amazon Music, or Spotify. TikTok Music was rooted in a ByteDance product called Resso, which was first launched in India and Indonesia in 2019 and later expanded to Brazil. In 2023, ByteDance rebranded Resso to TikTok Music in Brazil and Indonesia, and soon after expanded it to Singapore, Australia, and Mexico. Resso was banned early this year in India. "Our Add to Music App feature has already enabled hundreds of millions of track saves to playlists on partner music streaming services. We will be closing TikTok Music at the end of November in order to focus on our goal of furthering TikTok's role in driving even greater music listening and value on music streaming services, for the benefit of artists, songwriters, and the industry," Ole Obermann, global head of Music Business Development, TikTok, said in a statement.

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Ancient US Air Traffic Control Systems Won't Get a Tech Refresh Before 2030

Par : BeauHD
25 septembre 2024 à 01:30
The FAA's air traffic control systems are significantly out of date and won't be updated until the 2030s, according to a report from the U.S. Government Accountability Office (GAO). The Register reports: In a report released Monday, the GAO said that 51 of the FAA's 138 ATC systems -- more than a third -- were unsustainable due to a lack of parts, shortfalls in funding to sustain them, or a lack of technology refresh funding to replace them. A further 54 systems were described as "potentially unsustainable" for similar reasons, with the added caveat that tech refresh funding was available to them. "FAA has 64 ongoing investments aimed at modernizing 90 of the 105 unsustainable and potentially unsustainable systems," the GAO said in its report. "However, the agency has been slow to modernize the most critical and at-risk systems." The report said the seemingly perilous status of 17 systems was "especially concerning" as these are deemed to have critical operational impact at the same time as being unsustainable and having extended completion dates -- the first of them won't be modernized until 2030 at the earliest. Others aren't planned to be complete until 2035, and four of the 17 "most critical and at-risk FAA ATC systems" have no modernization plans at all. Of the systems on the list, two are more than 40 years old, and a further seven have been in service for more than 30 years.

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