source&pool
A daily wire of long-form journalism, video, and discourse — filed, tagged, and laid out flat.
VOL. I·NO. 01
SATURDAY, SEPTEMBER 19, 2026
Hacker News3590X 主题热门3399CNBC66MacRumors649to5Mac56YahooFinance48Kotaku47Verge36IGN35aihot34NintendoLife299to5Google25Gematsu25TechCrunch24BusinessInsider22Eurogamer22Engadget17Polygon15PushSquare15NBC14Guardian14bgr13Fortune13SeekingAlpha13USAToday13NPR12Gizmodo11Mashable11WarhammerCommunity11Wccftech11AndroidAuthority10ArsTechnica10FoxBusiness10ABC9CNET9Fox9Notebookcheck9AppleInsider8GameInformer8PureXbox8TechPowerUp8WindowsCentral8Variety7VideoGamesChronicle7WIRED7BleepingComputer6CNN6CoinDesk6Investor'sBusinessDaily6XBOXWire6NewYorkPost6PetaPixel6CBS5DigitalFoundry5NintendoEverything5SamMobile5GameRant4GSMArena4Pokemon4RPGSite4SlashGear4Register4VideoCardz4Yahoo4404Media3Aftermath3AndroidCentral3AndroidPolice3CTech3Deadline3Hodinkee3Jalopnik3LosAngelesTimes3Lifehacker3Motor13Blizzard3CrudeOilPricesToday3RockPaperShotgun3SeattleTimes3Space3Conversation3WindowsLatest3YourTango380Level2AlJazeera2AOL2AwfulAnnouncing2BleedingCool2BloodyDisgusting2BuzzFeed2CanonRumors2CyberSecurityNews2DualShockers2DW2EventHubs2MotleyFool2FratelloWatches2GamesIndustry.biz2GearPatrol2Independent2InsiderGaming2MassivelyOverpowered2Maxroll2MP1st2MyNintendo2Nature2Newser2PCWorld2PokémonGOHub2qz2SouthChinaMorningPost2SFGATE2Intercept2TweakTown2UploadVR2AboveLaw1BusinessInsiderAfrica1AVClub1Benzinga1BikeRadar1Billboard1Borderlands1Boston1Bungie1CalMatters1ChromeUnboxed1Chron1CineD1comicbook1CreativeBloq1Currently1Cyclingnews1DailyDownforce1DailyKos1DaringFireball1DCRainmaker1Defector1Defense1denver71DenverPost1DigitalCameraWorld1Draftsim1empireonline1Euronews1Fangoria1flatpanelshd1FOX191DetroitFreePress1FrequentMiler1Futurism1GameDeveloper1GamingOnLinux1AAAGasPrices1GeekWire1GeekyGadgets1Hackaday1InterestingEngineering1KITCO1KSL1Lloyd'sList1Macworld1Magic:Gathering1MakeUseOf1Mediaite1Mercury1MonochromeWatches1MorningBrew1MortgageDaily1SemiAnalysis1Newsshooter1Newsweek1nrn1NYT1OregonLive1PageSix1PaulKrugman1PCMag1PlayStationLifeStyle1politico.eu1PittsburghPost-Gazette1QuantaMagazine1Road&Track1RoadtoVR1RockstarINTEL1CultureMapSanAntonio1ScienceAlert1ScientificAmerican1YahooSingapore1SportsIllustrated1SimpleFlying1Slate1supercarblondie1YahooTech1TechSpot1Tedium1TelecomTalk1TheGamer1Hacker1NextWeb1TimeExtension1LongmontTimes-Call1TimesUnion1TmoNews1TwistedVoxel1YahooFinanceUK1VisualCapitalist1WOWT1WSB-TV1
  1. 001Hacker NewsSEP · 18English

    A related skill that is recommended as a CS student

    A computer science student asks for recommendations on what complementary skill to learn alongside data structures and algorithms study during their second year, seeking something that balances their technical progress and helps track advancement.

    By jassembk
  2. 002Hacker NewsSEP · 18English

    Napster Is Now Making AI-Powered 'Digital Twins' of Teachers

    Napster, once a peer-to-peer music-sharing platform, has transformed into an AI company and partnered with GEMS Education to develop AI-powered digital twins of teachers. These AI agents will be trained on teachers' materials and courses to provide students with personalized tutoring outside class, with a working solution targeted for deployment by end of 2026.

    By Bruce Gil
  3. 003Hacker NewsSEP · 18English

    Homework Solution Test Question

    A user shares that their AI system completed their homework assignment.

    By robotcheck
  4. 004Hacker NewsSEP · 18English

    Why Harvard's Dean 'Encourages' Students to Use AI

    Harvard's Dean of Undergraduate Education proposes an 'AI encouragement' policy amid widespread concerns about higher education's value, rising costs, declining trust, and AI-driven cheating. The policy has sparked controversy over academic integrity as universities grapple with technology's role in teaching and learning.

    By Derek Thompson
  5. 005Hacker NewsSEP · 18English

    Mastery in the Post-AI World

    An essay exploring how AI and LLMs are reshaping the value of specialization versus breadth. The author argues that while traditional mastery requires deep, emotional commitment and iterative learning, AI now makes it more valuable to develop diverse skills across multiple domains rather than becoming an expert in a single field, as the combination of sub-optimal skills can create unique opportunities.

    By daddooo
  6. 006Hacker NewsSEP · 18English

    14 years as an engineer, written for people starting with a gap in their record

    An engineer from Pune reflects on his 14-year career path, beginning with a two-year gap after leaving his degree to work assembling computers. He describes how this detour—working with his friend building and selling PCs, and witnessing his sister's IT career—ultimately led him to software engineering, shaped by family influence and early mentors.

    By Yogesh Lonkar
  7. 007Hacker NewsSEP · 18English

    You'll miss publishers when they're gone

    Andy Bell reflects on the decline of web development publishers like CSS-Tricks and Smashing Magazine, arguing that corporate ownership prioritizes profit over education and community investment. He calls for tech companies to fund quality publishing and developer education to prevent industry stagnation.

    By ingve
  8. 008Hacker NewsSEP · 18English

    Ada & Zangemann book about free software translated in Persian / Farsi

    The children's book 'Ada & Zangemann' about creating, repairing, and free software has been translated into Persian/Farsi. The book, film, files, and classroom resources are available freely for reading, sharing, and distribution, with a message from author Matthias Kirschner to Shiraz Linux.

    By وزارت آموزش ملی و جوانان فرانسه
  9. 009Hacker NewsSEP · 18English

    I'm an American raising 2 kids in Italy. Parenting here is completely different

    An American expat raising two children in Italy for over a decade describes significant parenting differences, including higher-quality school meals, less pressure for structured activities, greater child independence, stronger extended family involvement, and tighter-knit communities compared to her New York upbringing.

    By Caroline Chirichella
  10. 010Hacker NewsSEP · 18English

    Show HN: A Mac native app that helps you reason through math/CS pdf textbooks

    A Mac native app designed to help users study math and computer science textbooks by annotating at the sentence and word level, with features for organizing notes across different sections and integrating Excalidraw diagrams for visual explanations.

    By alricsiu
  11. 011Hacker NewsSEP · 18English

    Make an educated guess on Fermi-style trivia questions

    Fermi Unlimited is a free browser-based estimation game where players make educated guesses about real-world quantities like tree populations or Olympic pool volumes. Players survive questions by guessing within 10 times the correct answer, with their score being the number of consecutive correct guesses, and all answers are sourced from published figures.

    By emmanator3000
  12. 012Hacker NewsSEP · 18English

    Show HN: Free Tournament Bracket Maker and Generator

    SnapBracket is a free web-based tournament bracket maker that lets users paste a team list, run single-elimination tournaments with live winner updates, and export results as PNG without requiring login or account setup.

    By littlelight
  13. 013Hacker NewsSEP · 17English

    Why I Built my own Language App

    An AI engineer built a personalized language learning app to learn Spanish more effectively than existing platforms like Duolingo and Babbel. The app features personalized stories, podcasts, live tutoring, and vocabulary review—all tailored to the user's current knowledge level using comprehensible input principles and AI-generated content.

    By Maxime peabody
  14. 014Hacker NewsSEP · 17English

    Periodic Table 2027 for iOS 27

    Periodic Table 2027 is an iOS educational app featuring 3D visualization and augmented reality to explore chemical elements interactively. Users can examine elements from multiple angles, access detailed properties like atomic mass and boiling point, and receive chemistry tutoring through an integrated AI assistant.

    By devath
  15. 015Hacker NewsSEP · 17English

    Globally, More People Expect AI to Cause Job Loss Than Growth

    A Pew Research Center survey across 37 countries finds that majorities in 34 nations believe AI will reduce jobs rather than create them, with concerns especially high in wealthy countries like the U.S., Australia, and South Korea. Young adults, women, and highly educated respondents express greater concern about job losses, while many people remain uncertain about AI's economic impact. Additionally, people are more likely to expect AI will increase wealth inequality between rich and poor.

    By Laura Silver; Richard Wike; Moira Fagan; Jordan Lippert
  16. 016Hacker NewsSEP · 17English

    Poor Economics: Banerjee and Duflo on Schooling in Developing Countries

    MIT economists Banerjee and Duflo argue in Poor Economics that development should focus on tested small improvements rather than big-picture questions. They examine education in developing countries, noting that government schooling has failed to deliver quality education to the poor, yet argue public schooling should remain central despite evidence that private schooling outperforms it.

    By James Tooley
  17. 017Hacker NewsSEP · 17English

    Tutor-MCP – An adaptive learning engine for any subject

    Tutor-MCP is an open-source adaptive learning engine built on the Model Context Protocol that creates personalized learning paths and AI tutoring for any subject. It uses Bayesian Knowledge Tracing and spaced repetition to guide learners through structured curricula, track progress across AI clients, and maintain persistent learning history.

    By ArnaudGuiovanna
  18. 018Hacker NewsSEP · 17English

    I didn't sign the Fields medallists' letter

    Timothy Gowers, a Fields medalist, explains why he declined to sign a letter by 25 Fields medallists regarding a mathematical crisis. He agrees with concerns about the field but offers a different analysis, and clarifies his independence from OpenAI despite having access to their models.

    By Terence Tao
  19. 019Hacker NewsSEP · 17English

    Show HN: Ear Training Exercise

    A developer shares Pitch Recognition, a free web-based ear training tool designed to help users learn to identify musical pitches by name. The platform offers six free demos without signup and additional exercises for registered users, including relative ear training exercises.

    By AlexFromClarena
  20. 020Hacker NewsSEP · 17English

    Show HN: I built a Mac app to make technical PDF textbooks easier to study

    Margin is a macOS app designed to help students study technical PDF textbooks more effectively. It lets users add notes and explanations directly beside text, organize related notes into scratchpads by topic, and revisit their work through an interactive book map. The app saves locally without requiring subscriptions or accounts, works offline, and supports PDFs up to 2,000 pages on Apple silicon Macs running Sonoma or later.

    By Stephen Boyd; Lieven Vandenberghe