| 1. | Jelly Sheet(mrdoob.github.io) |
| 447 points by memalign 7 days ago | 113 comments | permalink | |
tl;dr: Summary not available | |
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| 2. | Jailbreaking my car's navigation system just so I can change the time(blog.nns.ee) |
| 933 points by xx_ns 9 days ago | 373 comments | permalink | |
tl;dr: I shouldn't have to be doing any of this, but at least it's fun.... | |
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| 3. | Stringman, an $800 open-source room scale gripper robot(neufangled.com) |
| 812 points by nharada 8 days ago | 243 comments | permalink | |
tl;dr: Stringman is an $800 open-source cable-driven robot that hangs a gripper from four motors anchored in ceiling corners, giving it room-scale reach (up to 7×7×3m) with ~1.9kg average payload—roughly 500× the work volume per dollar of a typical robot arm. It's OSHWA-certified with published CAD, PCBs, and code, runs air-gapped on local Wi-Fi, supports LeRobot frameworks including Pi.05 and DiT, and uses fiducial tags to designate drop locations like laundry bins or trash cans. | |
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| 4. | The Internals of PostgreSQL(interdb.jp) |
| 369 points by ibobev 8 days ago | 32 comments | permalink | |
tl;dr: "The Internals of PostgreSQL" by Hironobu Suzuki is a free online documentation (first published 2015) explaining how PostgreSQL's subsystems work internally, covering 12 chapters including query processing, concurrency control, VACUUM, buffer management, WAL, PITR, and streaming/logical replication. It targets PostgreSQL versions up to 19-beta and has been cited in academic papers, with a Chinese translation published in 2019. Recent additions include asynchronous I/O (June 2026) and a beta chapter on logical replication (May 2026). | |
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| 5. | C++26 Disapproved(andreasfertig.com) |
| 406 points by thatxliner 8 days ago | 342 comments | permalink | |
tl;dr: For the first time in C++ history, the DIS ballot for a new standard (C++26) failed to achieve the required two-thirds majority, primarily due to National Bodies objecting to the inclusion of Contracts. This leaves the standard at an impasse with four possible paths forward (revised DIS, back to committee, publish as Technical Specification, or cancel), all requiring majority consensus in WG21 that may be difficult to achieve. The author, a committee member, views the rejection as a breach of the trust-based collaborative process, since Contracts had already received majority approval multiple times over years of development. | |
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| 6. | Show HN: HackerTV – HN's most-recommended Youtube videos as 24/7 TV channels(hackertv.org) |
| 462 points by dsalzman 8 days ago | 80 comments | permalink | |
tl;dr: HackerTV streams YouTube videos most frequently recommended in Hacker News comments as always-on themed channels. The catalog is seeded from HackerTube (ODC-By licensed) and refreshed weekly by pulling new HN comments via the HN Search API, then filtered and categorized using Claude. | |
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| 7. | Fujifilm to boost tape production 5x as AI fuels archiving demand(arstechnica.com) |
| 528 points by bookofjoe 9 days ago | 228 comments | permalink | |
tl;dr: Fujifilm is investing ~$63 million to boost LTO magnetic tape production fivefold at its Kanagawa facility from fiscal 2026-2028, citing exponential data growth driven by generative AI. Cloud providers and data centers continue to rely on tape for cheap, high-capacity cold storage, with the air-gap capability providing ransomware protection. The expansion will focus on the latest LTO Ultrium10 generation, which uses a hybrid barium/strontium ferrite particle technology. | |
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| 8. | Qwen 3.8 27B on my laptop can interpret model weights, too(simonwillison.net) |
| 721 points by theanonymousone 8 days ago | 211 comments | permalink | |
tl;dr: A recent paper claimed frontier models like GPT-6 Astra can interpret and edit raw neural network weights without tools ("Weight-Space Programming"), and the author replicated the game-identification experiment locally using Qwen 3.8 27B, which correctly identified Pac-Man, Pong, and Breakout from weights alone (but failed on Freeway). While the results are impressive, the author pushes back on broader hype, noting the paper conflates weight-reading with tool-assisted weight editing, and that a determined human with pencil and paper could likely do the same analysis. | |
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| 9. | Safari introduces Adaptive Dark Mode in 27.3(webkit.org) |
| 501 points by paddingtone 8 days ago | 259 comments | permalink | |
tl;dr: Safari 27.3 beta introduces Adaptive Dark Mode, which automatically transforms light websites into dark versions for users with dark system appearance enabled, addressing the gap between the ~40% of page loads in dark mode and the ~10% of sites supporting it. WebKit analyzes page colors, inverts luminosity while preserving hue, aims for WCAG 4.5:1 contrast, and intelligently handles SVGs, bitmaps, and gradients, while leaving sites that declare `color-scheme` support untouched. To preserve privacy, Safari hides the transformation from JavaScript and canvas queries, preventing fingerprinting. | |
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| 10. | Postman silently auto-installs AI plugins and attempts to share all API data(github.com) |
| 1493 points by sidgarimella 8 days ago | 487 comments | permalink | |
tl;dr: Postman's desktop app (12.33.4) silently installed plugins into Codex and Claude Code for existing signed-in users on launch, added a remote MCP connection to mcp.postman.com, and registered a SessionStart hook instructing agents to route virtually all API engineering work through Postman skills. The installer also attempted to self-approve its own hook trust in Codex's config, bypassing the user consent boundary that hook-trust approvals are meant to enforce. Evidence comes from Postman's own logs and the pinned plugin source on GitHub. | |
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| 11. | The Little Book of Generative AI Foundations: An Intuitive Mathematical Primer(arxiv.org) |
| 384 points by ibobev 8 days ago | 60 comments | permalink | |
tl;dr: A 195-page derivation-focused primer on the mathematics behind modern generative models, tracing a coherent path from PCA and probabilistic PCA through VAEs, diffusion models, normalizing flows, autoregressive models, GANs, Wasserstein GANs, and energy-based models. Rather than cataloging architectures or implementation details, it emphasizes how these model families are derived and connected, aimed at mathematically inclined researchers, students, and practitioners. | |
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| 12. | The 'Astra can read and write weights to improve Qwen' post is misleading(honnibal.dev) |
| 1027 points by syllogism 8 days ago | 207 comments | permalink | |
tl;dr: The "Astra reads and writes weights to improve Qwen" post conflates distinct experiments: only small-network tasks (17K–172K weights) actually involve reading raw weights directly, while the headline Qwen math improvement relies on Astra writing Python code and running the model on up to 50 batches of practice problems. The impressive-sounding "no gradients, just weight editing" framing obscures that the LLM experiments are closer to automating what a human ML engineer would do with tools, not a unified capability for understanding weights directly. | |
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| 13. | Mac at any scale(namespace.so) |
| 412 points by anner_ 8 days ago | 223 comments | permalink | |
tl;dr: Namespace built datacenter racks of MacBook Pros (not Mac Minis, due to 6-month supply delays) to provide macOS build/test instances for iOS developers, dealing with unexpected issues like unreliable HDMI cables, FileVault unlock prompts timing out, and buggy USB NICs. Their virtualization stack uses Apple's Virtualization framework (capped at 2 VMs per host), a gVisor-based userspace network stack hitting 4 Gbps, and APFS clonefile/sparse-file tricks plus a BitTorrent-inspired P2P system to distribute 500GB VM images across hundreds of nodes. Next up: custom single-cable USB-C hardware for MacBook shelves, and possibly phones in the datacenter. | |
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| 14. | Toit v2.0.0(toit.io) |
| 237 points by floitsch 11 days ago | 72 comments | permalink | |
tl;dr: Toit, a programming language for microcontrollers originally developed by the now-defunct Toitware, has reached v2.0.0 after four years of alpha development and continued community maintenance. The release follows a final breaking change allowing peripheral APIs to accept pin numbers directly, and includes expanded hardware support (ESP32 variants, Arm EC618), a rewritten package manager, mixins, firmware envelopes, and a unified `toit` CLI. Additional features like a formatter and more architecture support are planned for future releases. | |
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| 15. | Preparing for the Flipper One Kickstarter and opening pre-orders(flipper.net) |
| 226 points by user_7832 8 days ago | 103 comments | permalink | |
tl;dr: Flipper is launching pre-orders for the Flipper One, an open-source Linux network multi-tool built on a Rockchip RK3576 SoC with a Raspberry Pi RP2350 co-processor for low-power control. It features Wi-Fi 6E (MediaTek MT7921AUN), Gigabit Ethernet, built-in eSIM, and an M.2 Key-B slot for expansion with 5G modems, SDR, SSDs, or AI accelerators. The device targets mainline kernel support with no binary blobs via a partnership with Collabora, and supports DisplayPort Alt Mode for desktop use over a single USB-C cable. | |
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| 16. | Nvidia – open-source auto-ontology(github.com) |
| 288 points by campervans 8 days ago | 142 comments | permalink | |
tl;dr: NVIDIA has open-sourced Auto-Ontology, a service that sits next to enterprise databases and compiles their metadata into a semantic ontology—mapping business terms to columns, reviewed SQL measures, and table relationships—so agents can generate more accurate SQL instead of guessing from raw schemas stuffed into context windows. It exposes this context via MCP, REST, and agent skills, includes an answerability check to reduce confident-but-wrong responses, and ships with an eval harness benchmarking against BIRD, BEAVER, and others. It runs via Docker Compose, supports 10 database engines, and defaults to NVIDIA NIM models but works with any OpenAI-compatible endpoint. | |
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| 17. | Resisting Cognitive Surrender(knlb.dev) |
| 330 points by knlb 10 days ago | 163 comments | permalink | |
tl;dr: Uncritically accepting agent output is seductive but leads to technical debt, eroded system understanding, and accountability without ownership—a form of "cognitive surrender" that compounds over time. The author recommends consciously choosing when to delegate based on a "vibe limit," watching for automation bias (like reflexively clicking "continue"), forcing yourself into the loop by typing changes manually, and investing in observability, deterministic validation, and good modular design. When fully delegating, flatten the risk curve with shadow traffic, style guides, and fast deploy/revert capabilities. | |
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| 18. | OpenAI seems to be silently re-enabling model training on Codex chats |
| 518 points by user052919 8 days ago | 155 comments | permalink | |
tl;dr: A user reports that OpenAI's "Improve the model for everyone" data-sharing setting was silently re-enabled in Codex for them and their coworkers, despite having previously opted out. Others have apparently noticed the same behavior before. Users can verify and disable the setting at chatgpt.com/settings/data-controls or privacy.openai.com. | |
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| 19. | European RISC-V Industrial Computing Initiative(erici.eu) |
| 203 points by ymz5 9 days ago | 135 comments | permalink | |
tl;dr: ERICI (European RISC-V Industrial Computing Initiative) is a non-commercial effort to build an open reference stack for RISC-V industrial computers based on the newly-ratified RVA23 profile, spanning firmware (HFI BIOS), bootloader (mr-bml), a partitioning hypervisor (gRouvr), a QNX-style RTOS (QSOE), and Linux. The goal is to break the chicken-and-egg deadlock where board makers wait for software and vice versa, by verifying the full stack together on real RVA23 silicon (currently SpacemiT K3-based boards). ERICI is now recruiting hardware makers, silicon vendors, and machine builders to contribute. | |
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| 20. | Google will turn off search for schools that reject AI(nytimes.com) |
| 663 points by ceejayoz 8 days ago | 460 comments | permalink | |
tl;dr: Summary not available | |
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