AI Summarized Hacker News
Front-page articles summarized hourly.
Tom Vanderbilt tours the US metrology world to reveal how time is made and kept. At JILA/NIST, clocks from cesium fountains to masers define UTC via an ensemble, then distributed by GPS and time.gov. The “second” is no longer tied to Earth's rotation but to 9,192,631,770 cycles of cesium-133, with leap seconds sometimes inserted to keep astronomy and atomic time aligned. New optical clocks (based on ytterbium, strontium, aluminum ions) promise even greater precision, fueling debates on how to redefine the second. Time, it seems, is becoming a frequency-based, fundamentally uncertain construct.
HN Comments
syntux is an open-source React/Next.js library that generates UIs from a value by producing a lightweight JSON-DSL called the React Interface Schema (RIS), which is hydrated to render the UI rather than emitting source code. It supports custom React components, caching, and server actions, and can integrate with AI providers via the Vercel AI SDK (e.g., Anthropic/Claude). Installation is via npx getsyntux; examples show a GeneratedUI component wired to a model. MIT-licensed.
HN Comments
An employee describes being accused of AI-writing after proposing a simple opening for a colleague’s report. He defends that all words are his own, offers a witty reply, and laments society’s quickness to assume AI authorship, questioning the future of human creativity. The post insists it is entirely human-written (CC BY-NC-ND 4.0).
HN Comments
HDRify is a pure-JavaScript library and web demo for reading and writing HDR, EXR, and JPEG-R images and applying tone mapping. It supports Radiance RGBE HDR, OpenEXR, and Ultra HDR/JPEG with gain maps, and can display true HDR on compatible browsers via Direct HDR. It runs in browser and Node.js and is tree-shaking friendly. It supports EXR compression options (no compression, RLE, ZIPS, ZIP, PIZ, PXR24). Tone mapping options include ACES, Reinhard, Khronos Neutral, and AgX. A CLI tool hdrify-cli on npm is available for batch conversion. Built by Ben Houston; sponsored by Land of Assets.
HN Comments
Could not summarize article.
HN Comments
An analysis of the Feb 10–11, 2026 El Paso disruption caused by a party balloon mistaken for a drone. Using public data, it reconstructs a ~7.4-hour TFR, 8 cancellations, 7 delays, 1 diversion, and ~1,600 disrupted passengers. Dollar impacts are estimated between about $364k and $873k, with real costs likely higher due to unquantified factors. The piece notes it’s unclear whether this was the most expensive party balloon in history and emphasizes the analysis relies on public data, not professional economic methods.
HN Comments
pgclaw is an open-source PostgreSQL extension that adds a claw data type to attach an AI agent to each row. It supports simple LLMs and stateful OpenClaw agents, with many providers (Anthropic, OpenAI, Ollama, Gemini, etc.) and, via Claude Code, code-enabled workspaces. Agents can be inline prompts or references to reusable agents; memory and workspace features enable multi-turn interactions. It processes inserts/updates with a background worker, builds prompts from row data, calls the provider, and writes back results, preserving history. Quick-start: Rust toolchain, PostgreSQL 17 dev headers, cargo pgrx, configure shared_preload_libraries, create extension and table. MIT.
HN Comments
Describes a 1D cellular automata playground with interactive tools: grid view, rule-space map of 256 rules colored by Wolfram class; choose X/Y axis metrics (entropy, density, mean field, symmetry, Lyapunov, compressibility); click a dot for rule details. Phase Transition Explorer sweeps initial density to reveal metric changes and critical points. Light-cone/perturbation tool flips a single cell to visualize information propagation and causal structure. Compare rules (e.g., Rule 30, Rule 110). Project by @paraschopra.
HN Comments
Could not summarize article.
HN Comments
Gemini 3 Deep Think receives a major upgrade to its specialized reasoning mode, designed to tackle modern science, research and engineering challenges with messy data. The update blends deep scientific knowledge with practical engineering, and is now available in the Gemini app for Google AI Ultra subscribers, with early access to the Gemini API for researchers and enterprises. In early tests, it helped a mathematician spot a subtle flaw in a paper and assisted a lab in designing large-area crystal-growth films. It now excels across math, chemistry and physics and can turn sketches into 3D-printable files.
HN Comments
Could not summarize article.
HN Comments
V8 uses separate stores for named properties and array elements and tracks object shape with HiddenClasses. HiddenClasses and descriptor arrays let the JIT inline property accesses when objects share the same structure; adding named properties creates new HiddenClasses via a transition tree. Named properties can be in-object (fast), fast properties in the properties store, or slow/dictionary properties with a per-object dictionary. Array indices live in an elements store and can be packed, holey, fast, or dictionary-mode; Smis and doubles have dedicated representations. These designs optimize access and memory for dynamic JS objects.
HN Comments
Waymo launches fully autonomous operations with its 6th-generation Waymo Driver, designed for scalable expansion across platforms and cities, including extreme winter. Built on seven years and ~200 million autonomous miles, it uses a unified multi-modal sensing suite—17‑megapixel cameras, lidars, radar, and EARs—plus in-house AI and chips to improve perception, weather robustness, and cost. It reduces cameras to lower cost, adds long- and short-range lidars for precise sensing, and enhances radar/fusion. The system is platform-agnostic (Ojai, Hyundai IONIQ 5) and backed by a Phoenix-area high-volume production plan to reach tens of thousands/year. Public access soon; recruitment ongoing.
HN Comments
Lean-collab is a multi-agent collaborative theorem proving tool for Lean 4 using Ensue and Claude. It provides a CLI to manage proof goals, spawn parallel provers, and compose verified Lean proofs, with prerequisites including Lean 4 (via elan), Mathlib, Lake, Rust, and an Ensue API key. Setup involves cloning the lean-collab-plugin, configuring .ensue-key and .lean-collab.json (theorem_id, ensue_api_url, max_parallel_agents, max_depth, claim_ttl, lean_project_root), and exporting overrides. Use ./bin/lc commands (init, status, verify, compose, etc.), run Claude warm server, and monitor token usage; token-heavy, adjust workers accordingly. MIT license.
HN Comments
Researchers say China's massive afforestation around the Taklamakan Desert has turned the arid fringe into a carbon sink, absorbing more CO2 than it releases. Using 25 years of ground and satellite data, they found expanding vegetation along the desert’s rim coincides with the Great Green Wall; CO2 uptake there rose while desert CO2 levels fell from 416 to 413 ppm in the wet season. The finding, published in PNAS, suggests encircling deserts with trees can stabilize dunes and transform deserts into carbon sinks, offering a model for other regions.
HN Comments
MiniMax M2.5 is the latest model—faster, stronger, smarter—designed for real-world productivity. Extensively RL-trained across real environments, it leads in coding, tool use, search, and office work. Benchmarks: SWE-Bench Verified 80.2%, Multi-SWE-Bench 51.3%, BrowseComp 76.3%. It runs 37% faster than M2.1 and matches Claude Opus 4.6 speed. Cost-efficient: 100 tokens/s for $1/hour; 50 tokens/s for $0.30/hour. M2.5-Lightning offers 100 tokens/s throughput. Emphasizes agentic RL via Forge, MiniMax Agent with Office Skills, and 10k+ built Experts; 30% of tasks autonomous, 80% of new code from M2.5.
HN Comments
The page cannot load because JavaScript is disabled; enable JavaScript, check your connection, disable ad blockers, or try a different browser.
HN Comments
Shut Up is a personal project that hides site comments with the shutup.css stylesheet, via a browser extension (Chrome, Firefox, Edge, Opera, Safari) or an iPhone/iPad app. It by default blocks comments to reduce distraction, with an option to show comments on sites like GitHub, Dropbox, or Stack Overflow. Activation is a toolbar button (or Safari Content Blockers on iOS); it requires iOS 12+ and 64-bit devices. It respects privacy—no browsing tracking; update checks may log diagnostics (Firefox omits updates). Open source on GitHub.
HN Comments
The post argues that writing reveals how someone thinks, and outsourcing it to an LLM undermines the value of reading. The author uses LLMs for work (notably Claude Code) but still wants deliberate intention and effort behind content, not AI-generated boilerplate. He finds AI-written code progressful, while AI-generated articles feel low-effort and feed the “dead internet” theory. He notes a shift: typos and rough prose can signal authenticity, making broken English and imperfect writing sometimes more valuable than polished prose.
HN Comments
Pebble Emulator runs entirely in your browser with no server or install. QEMU is compiled to WebAssembly to emulate Pebble ARM hardware and boot real PebbleOS firmware. Desktop-only; not well supported on mobile yet. Features: Full PebbleOS SDK; PebbleOS Boot. May take 2–4 minutes to boot. Controls: Left=Back, Up/Down=Navigate, Right=Select. Serial Console available. Source: GitHub.
HN Comments
Made by Johno Whitaker using FastHTML