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Aujourd’hui — 19 mai 2024Actualités numériques

US Defense Department 'Concerned' About ULA's Slow Progress on Satellite Launches

Par : EditorDavid
19 mai 2024 à 16:34
Earlier this week the Washington Post reported that America's Defense department "is growing concerned that the United Launch Alliance, one of its key partners in launching national security satellites to space, will not be able to meet its needs to counter China and build its arsenal in orbit with a new rocket that ULA has been developing for years." In a letter sent Friday to the heads of Boeing's and Lockheed Martin's space divisions, Air Force Assistant Secretary Frank Calvelli used unusually blunt terms to say he was growing "concerned" with the development of the Vulcan rocket, which the Pentagon intends to use to launch critical national security payloads but which has been delayed for years. ULA, a joint venture of Boeing and Lockheed Martin, was formed nearly 20 years ago to provide the Defense Department with "assured access" to space. "I am growing concerned with ULA's ability to scale manufacturing of its Vulcan rocket and scale its launch cadence to meet our needs," he wrote in the letter, a copy of which was obtained by The Washington Post. "Currently there is military satellite capability sitting on the ground due to Vulcan delays...." ULA originally won 60 percent of the Pentagon's national security payloads under the current contract, known as Phase 2. SpaceX won an award for the remaining 40 percent, but it has been flying its reusable Falcon 9 rocket at a much higher rate. ULA launched only three rockets last year, as it transitions to Vulcan; SpaceX launched nearly 100, mostly to put up its Starlink internet satellite constellation. Both are now competing for the next round of Pentagon contracts, a highly competitive procurement worth billions of dollars over several years. ULA is reportedly up for sale; Blue Origin is said to be one of the suitors... In a statement to The Post, ULA said that its "factory and launch site expansions have been completed or are on track to support our customers' needs with nearly 30 launch vehicles in flow at the rocket factory in Decatur, Alabama." Last year, ULA CEO Tory Bruno said in an interview that the deal with Amazon would allow the company to increase its flight rate to 20 to 25 a year and that to meet that cadence it was hiring "several hundred" more employees. The more often Vulcan flies, he said, the more efficient the company would become. "Vulcan is much less expensive" than the Atlas V rocket that the ULA currently flies, Bruno said, adding that ULA intends to eventually reuse the engines. "As the flight rate goes up, there's economies of scale, so it gets cheaper over time. And of course, you're introducing reusability, so it's cheaper. It's just getting more and more competitive." The article also notes that years ago ULA "decided to eventually retire its workhorse Atlas V rocket after concerns within the Pentagon and Congress that it relied on a Russian-made engine, the RD-180. In 2014, the company entered into a partnership with Jeff Bezos' Blue Origin to provide its BE-4 engines for use on Vulcan. However, the delivery of those engines was delayed for years — one of the reasons Vulcan's first flight didn't take place until earlier this year." The article says Cavelli's letter cited the Pentagon's need to move quickly as adversaries build capabilities in space, noting "counterspace threats" and adding that "our adversaries would seek to deny us the advantage we get from space during a potential conflict." "The United States continues to face an unprecedented strategic competitor in China, and our space environment continues to become more contested, congested and competitive."

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Amazon Defends Its Use of Signal Messages in Court

Par : EditorDavid
19 mai 2024 à 15:34
America's Federal Trade Commission and 17 states filed an antitrust suit against Amazon in September. This week Amazon responded in court about its usage of Signal's "disappearing messages" feature. Long-time Slashdot reader theodp shares GeekWire's report: At a company known for putting its most important ideas and strategies into comprehensive six-page memos, quick messages between executives aren't the place for meaningful business discussions. That's one of the points made by Amazon in its response Monday to the Federal Trade Commission's allegations about executives' use of the Signal encrypted communications app, known for its "disappearing messages" feature. "For these individuals, just like other short-form messaging, Signal was not a means to send 'structured, narrative text'; it was a way to get someone's attention or have quick exchanges on sensitive topics like public relations or human resources," the company says as part of its response, filed Monday in U.S. District Court in Seattle. Of course, for regulators investigating the company's business practices, these offhanded private comments between Amazon executives could be more revealing than carefully crafted memos meant for wider internal distribution. But in its filing this week, Amazon says there is no evidence that relevant messages have been lost, or that Signal was used to conceal communications that would have been responsive to the FTC's discovery requests. The company says "the equally logical explanation — made more compelling by the available evidence — is that such messages never existed." In an April 25 motion, the FTC argued that the absence of Signal messages from Amazon discussing substantive business issues relevant to the case was a strong indication that such messages had disappeared. "Amazon executives deleted many Signal messages during Plaintiffs' pre-Complaint investigation, and Amazon did not instruct its employees to preserve Signal messages until over fifteen months after Amazon knew that Plaintiffs' investigation was underway," the FTC wrote in its motion. "It is highly likely that relevant information has been destroyed as a result of Amazon's actions and inactions...." Amazon's filing quotes the company's founder, Jeff Bezos, saying in a deposition in the case that "[t]o discuss anything in text messaging or Signal messaging or anything like that of any substance would be akin to business malpractice. It's just too short of a messaging format...." The company's filing traces the initial use of Signal by executives back to the suspected hacking of Bezos' phone in 2018, which prompted the Amazon founder to seek ways to send messages more securely.

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Deep Fake Scams Growing in Global Frequency and Sophistication, Victim Warns

Par : EditorDavid
19 mai 2024 à 14:34
In an elaborate scam in January, "a finance worker, was duped into attending a video call with people he believed were the chief financial officer and other members of staff," remembers CNN. But Hong Kong police later said that all of them turned out to be deepfake re-creations which duped the employee into transferring $25 million. According to police, the worker had initially suspected he had received a phishing email from the company's UK office, as it specified the need for a secret transaction to be carried out. However, the worker put aside his doubts after the video call because other people in attendance had looked and sounded just like colleagues he recognized. Now the targeted company has been revealed: a major engineering consulting firm, with 18,500 employees across 34 offices: A spokesperson for London-based Arup told CNN on Friday that it notified Hong Kong police in January about the fraud incident, and confirmed that fake voices and images were used. "Unfortunately, we can't go into details at this stage as the incident is still the subject of an ongoing investigation. However, we can confirm that fake voices and images were used," the spokesperson said in an emailed statement. "Our financial stability and business operations were not affected and none of our internal systems were compromised," the person added... Authorities around the world are growing increasingly concerned about the sophistication of deepfake technology and the nefarious uses it can be put to. In an internal memo seen by CNN, Arup's East Asia regional chairman, Michael Kwok, said the "frequency and sophistication of these attacks are rapidly increasing globally, and we all have a duty to stay informed and alert about how to spot different techniques used by scammers." The company's global CIO emailed CNN this statement. "Like many other businesses around the globe, our operations are subject to regular attacks, including invoice fraud, phishing scams, WhatsApp voice spoofing, and deepfakes. "What we have seen is that the number and sophistication of these attacks has been rising sharply in recent months." Slashdot reader st33ld13hl adds that in a world of Deep Fakes, insurance company USAA is now asking its customers to authenticate with voice. (More information here.) Thanks to Slashdot reader quonset for sharing the news.

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Les AMD Ryzen 7 8700F et Ryzen 5 8400F sont là, quelques précisions importantes s'imposent

La plateforme AMD AM5 compte officiellement deux nouveaux processeurs dans ses rangs, ça y est. Nous parlons bien entendu des Ryzen 7 8700F et Ryzen 5 8400F, dont nous vous avons parlé assez longuement les 12 avril puis 27 avril 2024. Nous n'allons pas revenir en long en large et en travers sur les...

Les prix des processeurs AMD et Intel semaine 20-2024 : Plutôt des hausses...

19 mai 2024 à 12:31

Pour les prix des CPU cette semaine, on commence chez les bleus, avec d'abord une belle baisse sur le 13700K qui passe de 426 à 408 euros, il fait donc 18 euros. Ensuite, nous avons le 14700K qui augmente, de son côté, de 6 petits euros. On peut donc passer chez les rouges, c'est rapide... […]

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Are Car Companies Sabotaging the Transition to Electric Vehicles?

Par : EditorDavid
19 mai 2024 à 11:34
The thinktank InfluenceMap produces "data-driven analysis on how business and finance are impacting the climate crisis." Their web site says their newest report documents "How automaker lobbying threatens the global transition to electric vehicles." This report analyses the climate policy engagement strategies of fifteen of the largest global automakers in seven key regions (Australia, EU, Japan, India, South Korea, UK, US). It shows how even in countries where major climate legislation has recently passed, such as the US and Australia, the ambition of these policies has been weakened due to industry pressure. All fifteen automakers, except Tesla, have actively advocated against at least one policy promoting electric vehicles. Ten of the fifteen showed a particularly high intensity of negative engagement and scored a final grade of D or D+ by InfluenceMap's methodology. Toyota is the lowest-scoring company in this analysis, driving opposition to climate regulations promoting battery electric vehicles in multiple regions, including the US, Australia and UK. Of all automakers analyzed, only Tesla (scoring B) is found to have positive climate advocacy aligned with science-based policy. CleanTechnica writes that Toyota "led on hybrid vehicles (and still does), so it's actually not surprising that it has been opposed to the next stage of climate-cutting auto evolution — it's clinging on to its lead rather than continuing to innovate for a new era." More from InfluenceMap: Only three of fifteen companies — Tesla, Mercedes Benz and BMW — are forecast to produce enough electric vehicles by 2030 to meet the International Energy Agency's updated 1.5 degreesC pathway of 66% electric vehicle (battery electric, fuel cell and plug-in hybrids) sales according to InfluenceMap's independent analysis of industry-standard data from February 2024. Current industry forecasts analyzed for this report show automaker production will reach only 53% electric vehicles in 2030. Transport is the third-largest source of greenhouse gas emissions globally, and road transport is failing to decarbonize at anywhere near the rate of many other industries. InfluenceMap's report also finds that Japanese automakers are the least prepared for an electric vehicle transition and are engaging the hardest against it. "InfluenceMap highlights that these anti-EV efforts in the industry are often coming from industry associations rather than coming directly from automakers, shielding them a bit from inevitable public backlash," writes CleanTechnica. "Every automaker included in the study except Tesla remains a member of at least two of these groups," InfluenceMap reports, "with most automakers a member of at least five." Thanks to Slashdot reader Baron_Yam for sharing the news.

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Cloudflare Praises Golang PGO For Significant CPU Savings

19 mai 2024 à 10:47
Released over a year ago was Golang 1.20 with support for Profile Guided Optimizations (PGO) and has since been improved with Go 1.21 for 2~7% faster Go binaries thanks to this optimization approach also found with other compilers. The engineers at Cloudflare have put out a blog post this week praising Go's PGO support and the CPU savings they are seeing as a result...

EXT4 In Linux 6.10 Adds FS_IOC_GETFSSYSFSPATH Support

19 mai 2024 à 10:36
While EROFS is seeing Zstd support and Bcachefs is seeing performance optimizations with the in-development Linux 6.10 kernel, over on the mature EXT4 file-system side the changes are mostly small. There are some minor changes, more folio conversion work, and also adding support for the FS_IOC_GETFSSYSFSPATH ioctl that has been seeing some standardization and adoption by the common Linux file-systems...

[Bon plan] Écran 27" ViewSonic QHD IPS 170 Hz à 179,99 € livré !

Vous avez un petit budget mais rêvez d'un écran gaming d'une diagonale de 27 pouces, avec une définition QHD (2560 x 1440 pixels), réactif bien entendu et doté d'une dalle IPS ? On arrive généralement à en dégoter juste sous la barre des 200 € avec un peu de patience lors d'offres ponctuelles mais l...

[Bon plan] Ventirad Thermalright Phantom Spirit 120 SE ARGB à 35,99 € livré

La marque Thermalright, qui était la référence mondiale en matière de ventirad CPU au début des années 2000, commence à de nouveau avoir le vent en poupe alors que le monde du hardware se rend progressivement compte qu'elle propose parmi les meilleurs refroidisseurs CPU du marché, alors que ses tari...

America Takes Its Biggest Step Yet to End Coal Mining

Par : EditorDavid
19 mai 2024 à 07:34
The Washington Post reports that America took "one of its biggest steps yet to keep fossil fuels in the ground," announcing Thursday that it will end new coal leasing in the Powder River Basin, "which produces nearly half the coal in the United States... "It could prevent billions of tons of coal from being extracted from more than 13 million acres across Montana and Wyoming, with major implications for U.S. climate goals." A significant share of the nation's fossil fuels come from federal lands and waters. The extraction and combustion of these fuels accounted for nearly a quarter of U.S. carbon dioxide emissions between 2005 and 2014, according to a study by the U.S. Geological Survey. In a final environmental impact statement released Thursday, Interior's Bureau of Land Management found that continued coal leasing in the Powder River Basin would harm the climate and public health. The bureau determined that no future coal leasing should happen in the basin, and it estimated that coal mining in the Wyoming portion of the region would end by 2041. Last year, the Powder River Basin generated 251.9 million tons of coal, accounting for nearly 44 percent of all coal produced in the United States. Under the bureau's determination, the 14 active coal mines in the Powder River Basin can continue operating on lands they have leased, but they cannot expand onto other public lands in the region... "This means that billions of tons of coal won't be burned, compared to business as usual," said Shiloh Hernandez, a senior attorney at the environmental law firm Earthjustice. "It's good news, and it's really the only defensible decision the BLM could have made, given the current climate crisis...." The United States is moving away from coal, which has struggled to compete economically with cheaper gas and renewable energy. U.S. coal output tumbled 36 percent from 2015 to 2023, according to the Energy Information Administration. The Sierra Club's Beyond Coal campaign estimates that 382 coal-fired power plants have closed down or proposed to retire, with 148 remaining. In addition, the Environmental Protection Agency finalized an ambitious set of rules in April aimed at slashing air pollution, water pollution and planet-warming emissions spewing from the nation's power plants. One of the most significant rules will push all existing coal plants by 2039 to either close or capture 90 percent of their carbon dioxide emissions at the smokestack. "The nation's electricity generation needs are being met increasingly by wind, solar and natural gas," said Tom Sanzillo, director of financial analysis at the Institute for Energy Economics and Financial Analysis, an energy think tank. "The nation doesn't need any increase in the amount of coal under lease out of the Powder River Basin."

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Robot Dogs Armed With AI-aimed Rifles Undergo US Marines Special Ops Evaluation

Par : EditorDavid
19 mai 2024 à 03:59
Long-time Slashdot reader SonicSpike shared this report from Ars Technica: The United States Marine Forces Special Operations Command (MARSOC) is currently evaluating a new generation of robotic "dogs" developed by Ghost Robotics, with the potential to be equipped with gun systems from defense tech company Onyx Industries, reports The War Zone. While MARSOC is testing Ghost Robotics' quadrupedal unmanned ground vehicles (called "Q-UGVs" for short) for various applications, including reconnaissance and surveillance, it's the possibility of arming them with weapons for remote engagement that may draw the most attention. But it's not unprecedented: The US Marine Corps has also tested robotic dogs armed with rocket launchers in the past. MARSOC is currently in possession of two armed Q-UGVs undergoing testing, as confirmed by Onyx Industries staff, and their gun systems are based on Onyx's SENTRY remote weapon system (RWS), which features an AI-enabled digital imaging system and can automatically detect and track people, drones, or vehicles, reporting potential targets to a remote human operator that could be located anywhere in the world. The system maintains a human-in-the-loop control for fire decisions, and it cannot decide to fire autonomously. On LinkedIn, Onyx Industries shared a video of a similar system in action. In a statement to The War Zone, MARSOC states that weaponized payloads are just one of many use cases being evaluated. MARSOC also clarifies that comments made by Onyx Industries to The War Zone regarding the capabilities and deployment of these armed robot dogs "should not be construed as a capability or a singular interest in one of many use cases during an evaluation."

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Why a 'Frozen' Distribution Linux Kernel Isn't the Safest Choice for Security

Par : EditorDavid
19 mai 2024 à 01:04
Jeremy Allison — Sam (Slashdot reader #8,157) is a Distinguished Engineer at Rocky Linux creator CIQ. This week he published a blog post responding to promises of Linux distros "carefully selecting only the most polished and pristine open source patches from the raw upstream open source Linux kernel in order to create the secure distribution kernel you depend on in your business." But do carefully curated software patches (applied to a known "frozen" Linux kernel) really bring greater security? "After a lot of hard work and data analysis by my CIQ kernel engineering colleagues Ronnie Sahlberg and Jonathan Maple, we finally have an answer to this question. It's no." The data shows that "frozen" vendor Linux kernels, created by branching off a release point and then using a team of engineers to select specific patches to back-port to that branch, are buggier than the upstream "stable" Linux kernel created by Greg Kroah-Hartman. How can this be? If you want the full details the link to the white paper is here. But the results of the analysis couldn't be clearer. - A "frozen" vendor kernel is an insecure kernel. A vendor kernel released later in the release schedule is doubly so. - The number of known bugs in a "frozen" vendor kernel grows over time. The growth in the number of bugs even accelerates over time. - There are too many open bugs in these kernels for it to be feasible to analyze or even classify them.... [T]hinking that you're making a more secure choice by using a "frozen" vendor kernel isn't a luxury we can still afford to believe. As Greg Kroah-Hartman explicitly said in his talk "Demystifying the Linux Kernel Security Process": "If you are not using the latest stable / longterm kernel, your system is insecure." CIQ describes its report as "a count of all the known bugs from an upstream kernel that were introduced, but never fixed in RHEL 8." For the most recent RHEL 8 kernels, at the time of writing, these counts are: RHEL 8.6 : 5034 RHEL 8.7 : 4767 RHEL 8.8 : 4594 In RHEL 8.8 we have a total of 4594 known bugs with fixes that exist upstream, but for which known fixes have not been back-ported to RHEL 8.8. The situation is worse for RHEL 8.6 and RHEL 8.7 as they cut off back-porting earlier than RHEL 8.8 but of course that did not prevent new bugs from being discovered and fixed upstream.... This whitepaper is not meant as a criticism of the engineers working at any Linux vendors who are dedicated to producing high quality work in their products on behalf of their customers. This problem is extremely difficult to solve. We know this is an open secret amongst many in the industry and would like to put concrete numbers describing the problem to encourage discussion. Our hope is for Linux vendors and the community as a whole to rally behind the kernel.org stable kernels as the best long term supported solution. As engineers, we would prefer this to allow us to spend more time fixing customer specific bugs and submitting feature improvements upstream, rather than the endless grind of backporting upstream changes into vendor kernels, a practice which can introduce more bugs than it fixes. ZDNet calls it "an open secret in the Linux community." It's not enough to use a long-term support release. You must use the most up-to-date release to be as secure as possible. Unfortunately, almost no one does that. Nevertheless, as Google Linux kernel engineer Kees Cook explained, "So what is a vendor to do? The answer is simple: if painful: Continuously update to the latest kernel release, either major or stable." Why? As Kroah-Hartman explained, "Any bug has the potential of being a security issue at the kernel level...." Although [CIQ's] programmers examined RHEL 8.8 specifically, this is a general problem. They would have found the same results if they had examined SUSE, Ubuntu, or Debian Linux. Rolling-release Linux distros such as Arch, Gentoo, and OpenSUSE Tumbleweed constantly release the latest updates, but they're not used in businesses. Jeremy Allison's post points out that "the Linux kernel used by Android devices is based on the upstream kernel and also has a stable internal kernel ABI, so this isn't an insurmountable problem..."

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Hier — 18 mai 2024Actualités numériques

Are AI-Generated Search Results Still Protected by Section 230?

Par : EditorDavid
18 mai 2024 à 22:34
Starting this week millions will see AI-generated answers in Google's search results by default. But the announcement Tuesday at Google's annual developer conference suggests a future that's "not without its risks, both to users and to Google itself," argues the Washington Post: For years, Google has been shielded for liability for linking users to bad, harmful or illegal information by Section 230 of the Communications Decency Act. But legal experts say that shield probably won't apply when its AI answers search questions directly. "As we all know, generative AIs hallucinate," said James Grimmelmann, professor of digital and information law at Cornell Law School and Cornell Tech. "So when Google uses a generative AI to summarize what webpages say, and the AI gets it wrong, Google is now the source of the harmful information," rather than just the distributor of it... Adam Thierer, senior fellow at the nonprofit free-market think tank R Street, worries that innovation could be throttled if Congress doesn't extend Section 230 to cover AI tools. "As AI is integrated into more consumer-facing products, the ambiguity about liability will haunt developers and investors," he predicted. "It is particularly problematic for small AI firms and open-source AI developers, who could be decimated as frivolous legal claims accumulate." But John Bergmayer, legal director for the digital rights nonprofit Public Knowledge, said there are real concerns that AI answers could spell doom for many of the publishers and creators that rely on search traffic to survive — and which AI, in turn, relies on for credible information. From that standpoint, he said, a liability regime that incentivizes search engines to continue sending users to third-party websites might be "a really good outcome." Meanwhile, some lawmakers are looking to ditch Section 230 altogether. [Last] Sunday, the top Democrat and Republican on the House Energy and Commerce Committee released a draft of a bill that would sunset the statute within 18 months, giving Congress time to craft a new liability framework in its place. In a Wall Street Journal op-ed, Reps. Cathy McMorris Rodgers (R-Wash.) and Frank Pallone Jr. (D-N.J.) argued that the law, which helped pave the way for social media and the modern internet, has "outlived its usefulness." The tech industry trade group NetChoice [which includes Google, Meta, X, and Amazon] fired back on Monday that scrapping Section 230 would "decimate small tech" and "discourage free speech online." The digital law professor points out Google has traditionally escaped legal liability by attributing its answers to specific sources — but it's not just Google that has to worry about the issue. The article notes that Microsoft's Bing search engine also supplies AI-generated answers (from Microsoft's Copilot). "And Meta recently replaced the search bar in Facebook, Instagram and WhatsApp with its own AI chatbot." The article also note sthat several U.S. Congressional committees are considering "a bevy" of AI bills...

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666e édition des LIDD : Liens Intelligents Du Dimanche

18 mai 2024 à 22:00
Le voilà, le tant attendu 666e !

Comme tous les dimanches (après une petite pause ces dernières semaines), voici notre sélection des liens les plus intéressants de ces derniers jours. Ils proviennent des commentaires les plus intéressants, utiles et/ou originaux de la semaine, mais aussi de nos recherches.

Le floutage de demain passe dès aujourd’hui par l’IA

Dans sa revue des médias, l’INA propose un article très intéressant sur la nécessité d’inventer « le floutage de demain » : « Pendant longtemps, la télé a flouté les personnes qui souhaitaient témoigner de façon anonyme. Ces floutages sont désormais contournables grâce à l’intelligence artificielle. Pour trouver des solutions qui permettent de continuer à assurer la protection de ces témoins, une course contre la montre s’est engagée à France Télévisions ».

Nos confrères se sont posés la question de savoir si les méthodes d’anonymisation des visages étaient suffisantes, d’autant que cela soulève des questions déontologiques sur la nécessaire et obligatoire protection des sources. Résultat des courses : « le floutage tel qu’il existe aujourd’hui risque d’être compromis ». Une trentaine de sujets ont déjà été dépubliés.

Et si la solution venait de l’intelligence artificielle qui placerait un nouveau visage à la place de l’ancien, avec un autre intérêt que l’anonymisation : « L’IA permet d’envisager l’émotion qu’on nous partage, mais sans révéler le témoin. Le visage, c’est souvent la part d’humanité qui reste dans les zones du monde où il y a des conflits ou de la répression ».

Il y a déjà une utilisation concrète avec le documentaire Nous, jeunesse(s) d’Iran, cité par la Revue des médias. Il a été diffusé sur France 5 : « six récits de jeunes de moins de 25 ans donnent vie aux transformations en cours dans la société iranienne ».

Pour ce film, les réalisateurs ont « fait le choix de générer des visages via intelligence artificielle pour anonymiser ses témoins (au centre). Créer une simple mosaïque présente dorénavant trop de risques. Quant au carré noir, difficile de l’utiliser durant tout un film », explique l’INA.

Neurone et IA : la bonne connexion ?

France Culture propose un podcast sur l’histoire de l’IA : « Aux origines de l’intelligence artificielle, il y a la volonté de plusieurs chercheurs de décrypter les mécanismes de la pensée humaine. Quel rôle ont joué les premiers réseaux de neurones artificiels dans cette histoire à rebondissements ? ». L’invité du jour est Alban Leveau-Vallier, docteur en philosophie à Sciences Po Paris.

C’est quoi être « identifiable » au sens du RGPD ?


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