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OR [34]check out the new Slashdot job board to browse remote jobs or jobs in your area Do you develop on GitHub? You can keep using GitHub but automatically [35]sync your GitHub releases to SourceForge quickly and easily with [36]this tool so your projects have a backup location, and get your project in front of SourceForge's nearly 30 million monthly users. It takes less than a minute. Get new users downloading your project releases today! [37]× 172970870 story [38]Microsoft [39]How a Microsoft Update Broke VS Code Editor on Ubuntu [40](omgubuntu.co.uk) [41]51 Posted by EditorDavid on Sunday February 04, 2024 @03:34AM from the issue-tracking dept. Microsoft's Visual Studio Code editor now includes a voice command that [42]launches GitHub Copilot Chat just by saying "Hey Code." But one Linux blog notes that the editor has suddenly [43]stopped supporting Ubuntu 18.04 LTS — "a move [44]causing issues for scores of developers." VS Code 1.86 (aka the 'January 2024' update) saw Microsoft bump the minimum build requirements for the text editor's popular remote dev tools to â¥glibc 2.28 — but Ubuntu 18.04 LTS uses glibc 2.27, ergo they no longer work. While Ubuntu 18.04 is supported by Canonical until 2028 (through ESM) a major glibc upgrade is unlikely. Thus, this "breaking change" is truly breaking workflows... It seems affected developers were caught off-guard as this (rather impactful) change was not signposted before, during, or after the VS Code update (which is installed automatically for most, and the update was pushed out to Ubuntu 18.04 machines). Indeed, most only discovered this issue after update was installed, they tried to connect to a remote server, and discovered it failed. The resulting error message does mention deprecation and [45]links to an FAQ on the VS Code website with workarounds (i.e. downgrade). But as one developer politely put it.... "It could have checked the libc versions and refused the update. Now, many people are screwed in the middle of their work." The article points out an upgrade to Ubuntu 20.04 LTS will address the problem. On GitHub a Microsoft engineer [46]posted additional options [47]from VS Code's documentation: If you are unable to upgrade your Linux distribution, the recommended alternative is to use our web client. If you would like to use the desktop version, then you can download the VS Code [48]release 1.85. Depending on your platform, make sure to disable updates to stay on that version. Microsoft then [49]locked the thread on GitHub as "too heated" and limited conversation to just collaborators. In a related thread someone [50]suggested installing VS Code's Flatpak, which was still on version 1.85 — and then disabling updates. But soon Microsoft had [51]locked that thread as well as "too heated," again limiting conversation to collaborators. apply tags__________ 172970444 story [52]Social Networks [53]Is AI Hastening the Demise of Quora? [54](slate.com) [55]23 Posted by EditorDavid on Saturday February 03, 2024 @11:34PM from the best-answers dept. Quora "used to be a thriving community that worked to answer our most specific questions," [56]writes Slate. "But users are fleeing," while the site hosts "a never-ending avalanche of meaningless, repetitive sludge, filled with [57]bizarre, [58]nonsensical, [59]straight-up hateful, and A.I.-generated entries..." The site has faced moderation issues, spam, trolls, and [60]bots re-posting questions from Reddit (plus [61]competition for ad revenue from sites like Facebook and Google which forced cuts in Quora's support and moderation teams). But automating its moderation "did not improve the situation... "Now Quora is even offering A.I.-generated images to accompany users' answers, even though the spawned illustrations make little sense." To top it all off, after Quora began using A.I. to "[62]generate machine answers on a number of selected question pages," the site made clear the possibility that human-crafted answers could be used for training A.I. This meant that the detailed writing Quorans provided mostly for free would be ingested into a custom large language model. Updated terms of service and privacy policies went into effect at the site last summer. As angel investor and Quoran [63]David S. Rose paraphrased them: "You grant all other Quora users the unlimited right to reuse and adapt your answers," "You grant Quora the right to use your answers to train an LLM unless you specifically opt out," and "You completely give up your right to be any part of any class action suit brought against Quora," among others. (Quora's Help Center [64]claims that "as of now, we do not use answers, posts, or comments added to Quora to train LLMs used for generating content on Quora. However, this may change in the future." The site offers an opt-out setting, although it admits that "opting out does not cover everything.") This raised the issue of consent and ownership, as Quorans had to decide whether to consent to the new terms or [65]take their work and flee. High-profile users, like fantasy author Mercedes R. Lackey, are removing their work from their profiles and [66]writing notes explaining why. "The A.I. thing, the terms of service issue, has been a massive drain of top talent on Quora, just based on how many people have said, Downloaded my stuff and I'm out of there," Lackey told me. It's not that all Quorans want to leave, but it's hard for them to choose to remain on a website where they now have to constantly fight off errors, spam, trolls, and [67]even [68]account [69]impersonators.... The tragedy of Quora is not just that it crushed the flourishing communities it once built up. It's that it took all of that goodwill, community, expertise, and curiosity and assumed that it could automate a system that equated it, apparently without much thought to how pale the comparison is. [Nelson McKeeby, an author who joined Quora in 2013] has a grim prediction for the future: "Eventually Quora will be robot questions, robot answers, and nothing else." I wonder how the site will answer the question of why Quora died, if anyone even bothers to ask. The article notes that Andreessen Horowitz gave Quora "a much-needed [70]$75 million investment — but only for the sake of developing its on-site generative-text chatbot, Poe." apply tags__________ 172971026 story [71]Moon [72]Japan's Moon Lander Snaps Final Photo, Goes Dormant Before 354-Hour Lunar Night [73](mashable.com) [74]6 Posted by EditorDavid on Saturday February 03, 2024 @09:34PM from the dark-side-of-the-moon dept. "Japan's first moon mission has likely come to an end after a surprising late-game comeback," [75]reports Mashable, "with the spacecraft taking one last photo of its surroundings before the deep-freeze of night... showing ominous shadows cast upon a slope of the [76]Shioli crater, its landing site on the near side of the moon." Since Monday, the spacecraft has analyzed rocks around the crater with a multi-band spectral camera. JAXA picked [77]the landing spot because of what it could tell scientists about [78]the moon's formation... The special camera completed its planned observation, able to study more targets than originally expected, according to an English translation of a news release from the space agency... "Based on the large amount of data we have obtained, we are proceeding with (analyses) to identify rocks and estimate the chemical composition of minerals, which will help solve the mystery of the origin of the moon," JAXA said in [79]a statement translated by Google... The spacecraft has now entered a dormant state, prompted by nightfall on the moon. Because one rotation of the moon is about 27 Earth days, the so-called "lunar night," when the moon is no longer receiving sunlight, lasts about two weeks. Not much can survive the -270 degrees Fahrenheit brought on by darkness — not even robots. In this freezing temperature, soldered joints on hardware and mechanical parts break, and batteries die. But rest assured, the JAXA team will try to communicate with its scrappy moon lander when the sun rises again. In mid-week Japan's space agency [80]posted that "Although SLIM was not designed for the harsh lunar nights, we plan to try to operate again from mid-February, when the Sun will shine again on SLIM's solar cells." Later they [81]posted that they'd sent a command to turn on SLIM's communicator again "just in case, but with no response, we confirmed SLIM had entered a dormant state. This is the last scene of the Moon taken by SLIM before dusk." apply tags__________ 172967896 story [82]Displays [83]James Cameron Loves Apple's Vision Pro. But Will It Be Addictive? [84](vanityfair.com) [85]73 Posted by EditorDavid on Saturday February 03, 2024 @06:34PM from the monkey-on-your-face dept. [86]James Cameron tells Vanity Fair's Nick Bilton that his experience with Apple's Vision Pro "was religious. I was skeptical at first. I don't bow down before the great god of Apple, but I was really, really blown away... I think it's not evolutionary; it's revolutionary. And I'm speaking as someone who has worked in VR for 18 years." He explained that the reason it looks so real is because the Apple Vision Pro is writing a 4K image into my eyes. "That's the equivalent of the resolution of a 75-inch TV into each of your eyeballs — 23 million pixels." To put that into perspective, the average 4K television has around 8 million pixels. Apple engineers didn't slice off a rectangle from the corner of a 4K display and put it in the Apple Vision Pro. They somehow compressed twice as many pixels into a space as small as your eyeball. This, to people like Cameron who have been working in this space for two decades, "solves every problem." But even with all this wonder, with 23 million pixels that are so clear and crisp that you can't tell reality from a digital composite of it.... the more I've used the Apple Vision Pro over the past two weeks, the more one glaring problem revealed itself to me. It's not the weight (which is a problem but will come down over time), or the size (which will shrink with each iteration), or the worry that it will drive us to consume more content alone (almost half of Americans already watch TV alone). Or how tech giants like Meta, Netflix, Spotify, and Google are currently withholding their apps from the device. (Content creators may come around once the consumers are there, and some, like Disney, are already embracing the device, making 150 movies available in 3D, including from mega-franchises like Star Wars and Marvel.) And it's not even the price, because if Apple wanted to, the company could subsidize the cost of the Apple Vision Pro and it would have about as much financial impact as Cook losing a nickel between his couch cushions. I'm talking about something that I don't see a solution for... I can see a day when we all can't imagine living without an augmented reality. When we're enveloped more and more by technology, to the point that we crave these glasses like a drug, like we crave our iPhones today but with more desire for the dopamine hit this resolution of AR can deliver. I know deep down that the Apple Vision Pro is too immersive, and yet all I want to do is see the world through it. "I'm sure the technology is terrific. I still think and hope it fails," one Silicon Valley investor said to me. "Apple feels more and more like a tech fentanyl dealer that poses as a rehab provider." Harsh words, but he feels what we all feel, a slave to our smartphone, and he's seen this play before and he knows what the first act is like, and the second act, and he knows how it ends. * Political blogger Taegan Goddard says the Vision Pro "offers [87]a glimpse of how we might use computers in the future. If you're skeptical — and many people are — you need to try it before drawing any conclusions. It's hard to explain unless you've worn it. But I can assure you, it's mind-blowing." * Apple CEO Tim Cook tells Bilton "You can actually lay on your sofa and put the displays on your ceiling if you wish. I watched the third season of Ted Lasso on my ceiling and it was unbelievable!" * Dan Ives, a senior analyst at the investment firm Wedbush Securities, tells Bilton, "We think a few years from now it'll resemble sunglasses and be less than $1,500." apply tags__________ 172969214 story [88]Education [89]How CS Students Go From Code.org Into Its Founders' Mentorship/Angel Investment Fund, 'Neo' [90](twitter.com) [91]7 Posted by EditorDavid on Saturday February 03, 2024 @05:34PM from the my-name-is-Neo dept. The VC fund [92]Neo "identifies awesome young engineers, includes them in a community of tech veterans, and invests in companies they start or join," [93]TechCrunch explained in 2018. Long-time Slashdot reader [94]theodp notes that Neo is also benefiting from the education non-profit Code.org: [95]Eleven years ago, Neo Founder and CEO Ali Partovi together with twin brother Hadi (Code.org CEO and a [96]Neo investor) publicly launched the nonprofit Code.org ([97]backed and [98]advised by big tech companies). With the support of prominent tech giant leaders and their companies, [99]Code.org pushed coding into K-12 classrooms (NYT, [100]alt.) and now [101]boasts that "591,636 teachers have signed up to teach our intro courses on Code Studio and 19,177,297 students are enrolled," helping to build a pipeline of [102]"college students who excel at CS". Neo taps into this pipeline, and it looks like others also [103]betting on their success include Neo investors tied to Microsoft, Google, Meta, Amazon, and Uber — including [104]Code.org boosters Bill Gates, Satya Nadella, Reid Hoffman, Jeff Wilke, Sheryl Sandberg, Eric Schmidt. "I love meeting more and more @Neo founders and Neo scholar candidates who learned to code on Code.org," Neo CEO Ali Partovi [105]tweeted last summer. in November Partovi [106]welcomed "32 exceptional CS students" chosen from over 1,000 applicants to be [107]Neo Scholars, "a year-long program of events, trips, and mentorship, as well as long-term membership in our community." apply tags__________ 172968368 story [108]Social Networks [109]Threads is Now 'Booming', With 130 Million Active Users [110](techcrunch.com) [111]41 Posted by EditorDavid on Saturday February 03, 2024 @04:34PM from the pulling-on-loose-Threads dept. The Verge reports that Threads is "booming," according to figures shared by Mark Zuckerberg on Meta's earnings call, with [112]130 million active users a month. [113]TechCrunch reports: Threads is continuing to grow, having tripled its downloads month-over-month in December, which gave it a place in the top 10 most downloaded apps for the month across both the App Store and Google Play... Threads famously had a record-breaking launch, [114]reaching 100 million registered users within its first five days. However, the app saw its daily downloads decline starting last September through the end of the year. But in December, Threads [115]once again returned to growth, likely due to the push Meta had given the app by displaying promos on Facebook that featured Threads' viral posts. Today, there are an [116]estimated 160 million Threads users, according to one tracker... The app could also be benefiting from its move into the "fediverse" — the social network comprised of interconnected servers that communicate via the ActivityPub protocol, like [117]Mastodon... In addition, Threads recently announced the [118]launch of an endpoint, allowing developers of third-party apps and websites to use a dynamic URL to refill text into the Threads composer. For example, there's now a [119]website where anyone can generate Threads share links and profile badges. Marketing tool provider Shareaholic also [120]just launched Threads Share buttons for websites, including both desktop and mobile sites. This flurry of activity around Threads is helping to move the app up in the chart rankings, though some inorganic boosts from Meta itself are likely also responsible for the jump in downloads, given the size. apply tags__________ 172962760 story [121]The Military [122]Inert Nuclear Missile Found in US Man's Garage [123](bbc.co.uk) [124]53 Posted by EditorDavid on Saturday February 03, 2024 @03:34PM from the war-games dept. The BBC reports: Police in Washington state say an old rusted rocket found in a local man's garage [125]is an inert nuclear missile. On Wednesday, a military museum in Ohio called police in the city of Bellevue to report an offer of a rather unusual donation. The police then sent a bomb squad to the potential donor's home... In a press release, police say the device is "in fact a Douglas AIR-2 Genie (previous designation MB-1), an unguided air-to-air rocket that is designed to carry a 1.5 kt W25 nuclear warhead". However, there was no warhead attached, meaning there was never any danger to the community. Bellevue Police Department spokesman Seth Tyler, told BBC News on Friday that the device was "just basically a gas tank for rocket fuel". He called the event "not serious at all... In fact, our bomb squad member asked me why we were releasing a news release on a rusted piece of metal," he said... The man told police that the rocket belonged to a neighbour who had died, and was originally purchased from an estate sale. Citing [126]a Seattle Times article, the BBC notes that "The first and only live firing of the Genie rocket was in 1957, according to the newspaper, and production of it ended in 1962." apply tags__________ 172962524 story [127]The Internet [128]Ask Slashdot: Can You Roll Your Own Home Router? [129]109 Posted by EditorDavid on Saturday February 03, 2024 @02:34PM from the home-networking dept. "My goal is to have a firewall that I trust," writes Slashdot reader [130]eggegick, "not a firewall that comes from the manufacture that might have back doors." I'm looking for a cheap mini PC I can turn into a headless Linux-based wireless and Ethernet router. The setup would be a cable modem on the Comcast side, Ethernet out from the modem to the router and Ethernet, and WiFi out to the home network. Two long-time Slashdot readers had suggestions. [131]johnnys believes "any old desktop or even a laptop will work.... as long as you have a way to [132]get a couple of (fast or Gigabit) Ethernet ports and a good WiFi adapter... " Cable or any consumer-grade broadband doesn't need exotic levels of throughput: Gigabit Ethernet will not be saturated by any such connection... You can also look at putting FOSS firewall software like DD-WRT or OpenWrt on consumer-grade "routers". Such hardware is usually set up with the right hardware and capabilities you are looking for. Note however that newer hardware may not work with such firmwares as the FCC rules about controlling RF have caused many manufacturers to lock down firmware images. And you don't necessarily need to roll your own with iptables: There are several BSD or Linux-based FOSS distributions that do good firewall functionality. PFSense is very good and user-friendly, and there are others. OpenBSD provides an exceptionally capable enterprise-level firewall on a secure platform, but it's not designed to be user-friendly. Long-time Slashdot reader [133]Spazmania agrees the "best bet" [134]is "one of those generic home wifi routers that are supported by DD-WRT or OpenWrt." It's not uncommon to find something used for $10-$20. And then install one or the other, giving a Linux box with full control. Add a USB stick so you have enough space for all the utilities. I just went through the search for mini-PCs for a project at work. The main problem is that almost all of them cool poorly, and that significantly impairs their life span.I finally found a few at the $100 price point that cooled acceptably... and they disappeared from the market shortly after I bought the test units, replaced with newer models in the $250 ballpark. Share your own thoughts and experiences in the comments. Can you roll your own home router? apply tags__________ 172962392 story [135]Bitcoin [136]Over 2 Percent of the US's Electricity Generation Now Goes To Bitcoin [137](arstechnica.com) [138]96 Posted by EditorDavid on Saturday February 03, 2024 @01:34PM from the making-a-hash-of-things dept. "In the last few years, the U.S. has seen a boom in cryptocurrency mining," [139]writes Ars Technica. But they add that the U.S. government "is now trying to track exactly what that means for the consumption of electricity. Specifically, a crucial branch of the U.S. Department of Energy. "While its analysis is preliminary, the Energy Information Agency (EIA) estimates that large-scale cryptocurrency operations are now [140]consuming over 2 percent of the U.S.'s electricity." That's roughly the equivalent of having added an additional state to the grid over just the last three years." While there is some small-scale mining that goes on with personal computers and small rigs, most cryptocurrency mining has moved to large collections of specialized hardware. While this hardware can be pricy compared to personal computers, the main cost for these operations is electricity use, so the miners will tend to move to places with low electricity rates. The EIA report notes that, in the wake of a crackdown on cryptocurrency in China, a lot of that movement has involved relocation to the U.S., where keeping electricity prices low has generally been a policy priority. One independent estimate made by the [141]Cambridge Centre for Alternative Finance had the US as the home of just over 3 percent of the global bitcoin mining at the start of 2020. By the start of 2022, that figure was nearly 38 percent... The EIA decided it needed a better grip on what was going on... To better understand the implications of this major new drain on the U.S. electric grid, the EIA will be performing monthly analyses of bitcoin operations during the first half of 2024. The Energy Information Agency identified 137 bitcoin mining operators, of which 101 responded to inquiries about their full-capacity power supply. "If running all-out, those 101 facilities would consume 2.3 percent of the US's average power demand," the article points out. And they add that in at least five instances, the Agency found bitcoin operators had "moved in near underutilized power plants and sent generation soaring again... "These are almost certainly fossil fuel plants that might be reasonable candidates for retirement if it weren't for their use to supply bitcoin miners." apply tags__________ 172962676 story [142]Science [143]Firms Churning Out Fake Papers Are Now Bribing Journal Editors [144](science.org) [145]28 Posted by EditorDavid on Saturday February 03, 2024 @12:34PM from the paper-chase dept. Nicholas Wise is a fluid dynamics researcher who moonlights as a scientific fraud buster, [146]reports Science magazine. And last June he "was digging around on shady Facebook groups when he came across something he had never seen before." Wise was all too familiar with offers to sell or buy author slots and reviews on scientific papers — the signs of a busy paper mill. Exploiting the growing pressure on scientists worldwide to amass publications even if they lack resources to undertake quality research, these furtive intermediaries by some accounts [147]pump out tens or even hundreds of thousands of articles every year. Many contain made-up data; others are plagiarized or of low quality. Regardless, authors pay to have their names on them, and the mills can make tidy profits. But what Wise was seeing this time was new. Rather than targeting potential authors and reviewers, someone who called himself Jack Ben, of a firm whose Chinese name translates to Olive Academic, was going for journal editors — offering large sums of cash to these gatekeepers in return for accepting papers for publication. "Sure you will make money from us," Ben promised prospective collaborators in a [148]document linked from the Facebook posts, along with screenshots showing transfers of up to $20,000 or more. In several cases, the recipient's name could be made out through sloppy blurring, as could the titles of two papers. More than 50 journal editors had already signed on, he wrote. There was even an online form for interested editors to fill out... Publishers and journals, recognizing the threat, have beefed up their research integrity teams and retracted papers, sometimes by the hundreds. They are [149]investing in ways to better spot third-party involvement, such as screening tools meant to flag bogus papers. So cash-rich paper mills have evidently adopted a new tactic: bribing editors and planting their own agents on editorial boards to ensure publication of their manuscripts. An investigation by Science and Retraction Watch, in partnership with Wise and other industry experts, identified several paper mills and more than 30 editors of reputable journals who appear to be involved in this type of activity. Many were guest editors of special issues, which have been [150]flagged in the past as particularly vulnerable to abuse because they are edited separately from the regular journal. But several were regular editors or members of journal editorial boards. And this is likely just the tip of the iceberg. The spokesperson for one journal publisher tells Science that its editors are receiving bribe offers every week.. Thanks to long-time Slashdot reader [151]schwit1 for sharing the article.. apply tags__________ 172962224 story [152]Data Storage [153]Linus Torvalds Has 'Robust Exchanges' Over Filesystem Suggestion on Linux Kernel Mailing List [154](theregister.com) [155]83 Posted by EditorDavid on Saturday February 03, 2024 @11:34AM from the exchange-rates dept. Linus Torvalds had "some robust exchanges" on the Linux kernel mailing list with a contributor from Google. The subject was inodes, [156]notes the Register, "which as Red Hat [157]puts it are each 'a unique identifier for a specific piece of metadata on a given filesystem.'" Inodes have been the subject of debate on the Linux Kernel Mailing list for the last couple of weeks, with Googler Steven Rostedt and Torvalds engaging in some robust exchanges on the matter. In a thread titled, "Have the inodes all for files and directories all be the same," posters noted that inodes may still have a role when using tar to archive files. Torvalds [158]countered that inodes have had their day. "Yes, inode numbers used to be special, and there's history behind it. But we should basically try very hard to walk away from that broken history," he wrote. "An inode number just isn't a unique descriptor any more. We're not living in the 1970s, and filesystems have changed." But debate on inodes continued. Rostedt eventually [159]suggested that inodes should all have unique numbers... In response... Torvalds opened: "Stop making things more complicated than they need to be." Then he got a bit shouty. "And dammit, STOP COPYING VFS LAYER FUNCTIONS. It was a bad idea last time, it's a horribly bad idea this time too. I'm not taking this kind of crap." Torvalds's main criticism of Rostedt's approach is that the Google dev didn't fully understand the subject matter — which Rostedt later acknowledged. "An inode number just isn't a unique descriptor any more," Torvalds wrote at one point. "We're not living in the 1970s, and filesystems have changed." apply tags__________ 172962098 story [160]Earth [161]Could We Fight Global Warming With A Giant Umbrella in Outer Space? [162](seattletimes.com) [163]162 Posted by EditorDavid on Saturday February 03, 2024 @10:34AM from the throwing-shade dept. The New York Times reports on a potential fix for global warming being proiposed by "a small but growing number of astronomers and physicists... the equivalent of [164]a giant beach umbrella, floating in outer space. " The idea is to create a huge sunshade and send it to a far away point between the Earth and the sun to block a small but crucial amount of solar radiation, enough to counter global warming. Scientists have calculated that if just shy of 2% of the sun's radiation is blocked, that would be enough to cool the planet by 1.5 degrees Celsius, or 2.7 Fahrenheit, and keep Earth within manageable climate boundaries. The idea has been at the outer fringes of conversations about climate solutions for years. But as the climate crisis worsens, interest in sun shields has been gaining momentum, with more researchers offering up variations. There's even a foundation dedicated to promoting solar shields. A recent study led by the University of Utah explored scattering dust deep into space, while a team at the Massachusetts Institute of Technology is looking into creating a shield made of "space bubbles." Last summer, Istvan Szapudi, an astronomer at the Institute for Astronomy at the University of Hawaii, published a paper that suggested tethering a big solar shield to a repurposed asteroid. Now scientists led by Yoram Rozen, a physics professor and the director of the Asher Space Research Institute at Technion-Israel Institute of Technology, say they are ready to build a prototype shade to show that the idea will work. To block the necessary amount of solar radiation, the shade would have to be about 1 million square miles, roughly the size of Argentina, Rozen said. A shade that big would weigh at least 2.5 million tons — too heavy to launch into space, he said. So, the project would have to involve a series of smaller shades. They would not completely block the sun's light but rather cast slightly diffused shade onto Earth, he said. Rozen said his team was ready to design a prototype shade of 100 square feet and is seeking between $10 million and $20 million to fund the demonstration. "We can show the world, 'Look, there is a working solution, take it, increase it to the necessary size," he said... Rozen said the team was still in the predesign phase but could launch a prototype within three years after securing funds. He estimated that a full-size version would cost trillions (a tab "for the world to pick up, not a single country," he said) but reduce the Earth's temperature by 1.5 Celsius within two years. "We at the Technion are not going to save the planet," Rozen said. "But we're going to show that it can be done." apply tags__________ 172961690 story [165]AI [166]Police Departments Are Turning To AI To Sift Through Unreviewed Body-Cam Footage [167](propublica.org) [168]38 Posted by [169]BeauHD on Saturday February 03, 2024 @08:00AM from the what-could-possibly-go-wrong dept. An anonymous reader quotes a report from ProPublica: Over the last decade, police departments across the U.S. have spent millions of dollars equipping their officers with body-worn cameras that record what happens as they go about their work. Everything from traffic stops to welfare checks to responses to active shooters is now documented on video. The cameras were pitched by national and local law enforcement authorities as a tool for building public trust between police and their communities in the wake of police killings of civilians like Michael Brown, an 18 year old black teenager killed in Ferguson, Missouri in 2014. Video has the potential not only to get to the truth when someone is injured or killed by police, but also to allow systematic reviews of officer behavior to prevent deaths by flagging troublesome officers for supervisors or helping identify real-world examples of effective and destructive behaviors to use for training. But a series of ProPublica stories has shown that a decade on, those promises of transparency and accountability have not been realized. One challenge: The sheer amount of video captured using body-worn cameras means few agencies have the resources to fully examine it. Most of what is recorded is simply stored away, never seen by anyone. Axon, the nation's largest provider of police cameras and of cloud storage for the video they capture, has a database of footage that has grown from around 6 terabytes in 2016 to more than 100 petabytes today. That's enough to hold more than 5,000 years of high definition video, or 25 million copies of last year's blockbuster movie "Barbie." "In any community, body-worn camera footage is the largest source of data on police-community interactions. Almost nothing is done with it," said Jonathan Wender, a former police officer who heads Polis Solutions, one of a growing group of companies and researchers [170]offering analytic tools powered by artificial intelligence to help tackle that data problem. The Paterson, New Jersey, police department has made such an analytic tool a major part of its plan to overhaul its force. In March 2023, the state's attorney general took over the department after police shot and killed Najee Seabrooks, a community activist experiencing a mental health crisis who had called 911 for help. The killing sparked protests and calls for a federal investigation of the department. The attorney general appointed Isa Abbassi, formerly the New York Police Department's chief of strategic initiatives, to develop a plan for how to win back public trust. "Changes in Paterson are led through the use of technology," Abbassi said at a press conference announcing his reform plan in September, "Perhaps one of the most exciting technology announcements today is a real game changer when it comes to police accountability and professionalism." The department, Abassi said, had contracted with Truleo, a Chicago-based software company that examines audio from bodycam videos to identify problematic officers and patterns of behavior. For around $50,000 a year, Truleo's software allows supervisors to select from a set of specific behaviors to flag, such as when officers interrupt civilians, use profanity, use force or mute their cameras. The flags are based on data Truleo has collected on which officer behaviors result in violent escalation. Among the conclusions from Truleo's research: Officers need to explain what they are doing. "There are certain officers who don't introduce themselves, they interrupt people, and they don't give explanations. They just do a lot of command, command, command, command, command," said Anthony Tassone, Truleo's co-founder. "That officer's headed down the wrong path." For Paterson police, Truleo allows the department to "review 100% of body worn camera footage to identify risky behaviors and increase professionalism," according to its strategic overhaul plan. The software, the department said in its plan, will detect events like uses of force, pursuits, frisks and non-compliance incidents and allow supervisors to screen for both "professional and unprofessional officer language." There are around 30 police departments currently use Truleo, according to the company. Christopher J. Schneider, a professor at Canada's Brandon University who studies the impact of emerging technology on social perceptions of police, is skeptical the AI tools will fix the problems in policing because the findings might be kept from the public just like many internal investigations. "Because it's confidential," he said, "the public are not going to know which officers are bad or have been disciplined or not been disciplined." apply tags__________ 172961614 story [171]Math [172]Mathematicians Finally Solved Feynman's 'Reverse Sprinkler' Problem [173](arstechnica.com) [174]56 Posted by [175]BeauHD on Saturday February 03, 2024 @05:00AM from the inside-out-rocket dept. Jennifer Ouellette reports via Ars Technica: A typical lawn sprinkler features various nozzles arranged at angles on a rotating wheel; when water is pumped in, they release jets that cause the wheel to rotate. But what would happen if the water were sucked into the sprinkler instead? In which direction would the wheel turn then, or would it even turn at all? That's the essence of the "[176]reverse sprinkler" problem that physicists like Richard Feynman, among others, have grappled with since the 1940s. Now, applied mathematicians at New York University [177]think they've cracked the conundrum, per a recent paper [178]published in the journal Physical Review Letters -- and the answer challenges conventional wisdom on the matter. "Our study solves the problem by combining precision lab experiments with mathematical modeling that explains how a reverse sprinkler operates," said co-author Leif Ristroph of NYU's Courant Institute. "We found that the reverse sprinkler spins in the 'reverse' or opposite direction when taking in water as it does when ejecting it, and the cause is subtle and surprising." [...] Enter Leif Ristroph and colleagues, who built their own custom sprinkler that incorporated ultra-low-friction rotary bearings so their device could spin freely. They immersed their sprinkler in water and used a special apparatus to either pump water in or pull it out at carefully controlled flow rates. Particularly key to the experiment was the fact that their custom sprinkler let the team observe and measure how water flowed inside, outside, and through the device. Adding dyes and microparticles to the water and illuminating them with lasers helped capture the flows on high-speed video. They ran their experiments for several hours at a time, the better to precisely map the fluid-flow patterns. Ristroph et al. found that the reverse sprinkler rotates a good 50 times slower than a regular sprinkler, but it operates along similar mechanisms, which is surprising. "The regular or 'forward' sprinkler is similar to a rocket, since it propels itself by shooting out jets," [179]said Ristroph. "But the reverse sprinkler is mysterious since the water being sucked in doesn't look at all like jets. We discovered that the secret is hidden inside the sprinkler, where there are indeed jets that explain the observed motions." A reverse sprinkler acts like an "inside-out rocket," per Ristroph, and although the internal jets collide, they don't do so head-on. "The jets aren't directed exactly at the center because of distortion of the flow as it passes through the curved arm," Ball [180]wrote. "As the water flows around the bends in the arms, it is slung outward by centrifugal force, which gives rise to asymmetric flow profiles." It's admittedly a subtle effect, but their experimentally observed flow patterns are in excellent agreement with the group's mathematical models. apply tags__________ 172961538 story [181]Power [182]IEA Lowers Renewables Forecast For Clean Hydrogen [183](reuters.com) [184]32 Posted by [185]BeauHD on Saturday February 03, 2024 @02:00AM from the expectations-vs-reality dept. Although hydrogen-dedicated renewable energy capacity is [186]expected to increase by 45 GW between 2022 and 2028, the estimates are 35% lower than what the International Energy Agency (IEA) [187]forecasted a year ago. Reuters reports: There is growing political momentum for low-emission hydrogen but actual implementation has been held up by uncertain demand outlooks, a lack of clarity in regulatory frameworks, and a lack of infrastructure to deliver hydrogen to end users, the IEA said in an emailed response to questions. Slow progress on real-world implementation "is a consequence of barriers that could be expected in a sector that needs to build up new and complex value chains," the IEA said. Uncertainties have been exacerbated by inflation and sluggish policy implementation. Expected renewable energy capacity for hydrogen production represents just 7% of the capacity pledged for the same period and one tenth the sum of government targets for 2030, IEA said in its report. Around 75% of expected capacity is based in three countries, with China taking the lion's share, followed by Saudi Arabia and the United States, the IEA says. apply tags__________ [188]« Newer [189]Older » Slashdot Top Deals Slashdot Top Deals [190]Slashdot Deals Slashdot Poll Do you have a poll idea? (*) Yes, I will post in the comments ( ) No ( ) Cowboy Neal probably does (BUTTON) vote now [191]Read the 81 comments | 7889 votes Looks like someone has already voted from this IP. If you would like to vote please login and try again. 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