Articles from news.ycombinator.com
57 kept
- OpenAI unveils its first custom chip, built by Broadcom
OpenAI unveiled its first custom inference chip, Jalapeño, designed with Broadcom and assisted by OpenAI's own models, claiming better performance-per-watt.
- 2026 vs. 1996 Chevrolet Blazer IIHS crash test
In IIHS crash tests, the 2026 Chevrolet Blazer protects its dummy while the 1996 model snaps its dummy's neck, highlighting 30 years of safety progress.
- Reading the internals of Postgres: Database cluster, databases, and tables
A developer explores PostgreSQL's logical and physical storage, showing how database clusters, OIDs, relfilenodes, and file layouts work under the hood.
- Postgres transactions are a distributed systems superpower
Co-locating workflow state and application data in Postgres enables atomic transactions that provide exactly-once execution without application-level idempotency logic.
- Working With AI: A concrete example
A developer recounts using Claude to debug a hyperscript parser bug, illustrating AI's strengths in analysis and boilerplate but weakness in design judgment and general-case solutions.
- Show HN: Smart model routing directly in Claude, Codex and Cursor
A smart model routing tool for Claude, Codex, and Cursor claims to reduce costs and improve speed by dynamically selecting the best model for each request.
- I ported Kubernetes to the browser
Sam rebuilt a subset of Kubernetes in Rust, compiled to WebAssembly, to run entirely in the browser for hands-on cluster education.
- A Practical Guide to SSH Tunnels: Local and Remote Port Forwarding
This piece explains SSH local and remote port forwarding with practical examples and a visual cheat sheet for accessing private network services.
- Ask HN: How much coding should beginners learn in the AI era?
HN commenters overwhelmingly argue beginners must learn to code first to supervise AI agents, review their output, and understand system behavior.
- Ask HN: Why are so many "AI evangelists" posting such insufferable content?
Hacker News commenters agree that LinkedIn's AI evangelist content is insufferable spam, often AI-generated, and driven by hype and marketing rather than genuine insight.
- My favorite keyboards
The author reminisces about their favorite keyboards, starting with the Sinclair ZX Spectrum and Thomson MO5 from their early computing days.
- Building a custom octocopter from scratch with no prior hardware experience
A builder details her plan to train an RL policy (PPO via PufferLib) that directly commands octocopter motors at 50 Hz, using MuJoCo simulation to handle motor lag and loop latency for fault-tolerant flight.
- 5k menus from the New York Public Library’s Buttolph Collection (1880-1920)
The NYPL's Buttolph Collection of 5,000 menus from 1880-1920 documents the emergence of modern restaurant dining in America.
- Oomwoo, an open-source robot vacuum you build yourself
Oomwoo is an open-source, modular robot vacuum you build yourself, aiming for repairability and customization, with the creator defending its cost-effectiveness and community-driven development.
- Ask for no, don't ask for yes (2022)
Rather than asking for permission, offer colleagues a deadline to veto your planned action, which reduces their cognitive load and keeps projects moving.
- The modern company won't have bullshit jobs
AI agents can automate administrative overhead like syncing tools and tracking metrics, freeing humans for strategic work.
- Japanese symbols that speak without words
Japan uses a system of wordless symbols on vehicles and in heraldry (kamon) that convey mutual understanding and consideration, reflecting a cultural emphasis on unspoken cues.
- Statistics that live in your SQL
the-stats-duck v0.6.0 adds OLS regression, bootstrap, expanded distributions, and a Vega-Lite plot grammar to DuckDB SQL.
- I rewrote PostHog's SQL parser, 70x faster, while barely looking at the code
PostHog's engineer used parallel Claude Code sessions to rewrite their SQL parser, achieving a 70x speedup by fuzzing against the old ANTLR-based parser as an oracle.
- RubyLLM: A Ruby framework for all major AI providers
RubyLLM provides a unified Ruby framework for all major AI providers, enabling quick building of chatbots, agents, and AI workflows.
- Dirty Little Zine – a tool for making an 8 page printable Zine
Dirty Little Zine is a free browser tool that lays out an eight-page folded booklet on one sheet of paper, exporting print-ready files without server uploads.
- Show HN: StartupWiki – A Free Alternative to Crunchbase
StartupWiki is a free, community/AI-driven startup directory that faces widespread criticism over data accuracy and reliability.
- Show HN: I made Google Trends for Hacker News by indexing 18 years of comments
Hacker Trends indexes 18 years of Hacker News comments to let users compare term frequency over time, built on Upstash Redis Search.
- Om Malik has died
Om Malik, influential tech blogger and founder of GigaOM, has died at age 60, prompting widespread tributes from the Hacker News community.
- Help I accidentally a wigglegram
A photographer uses perceptual hashing to automatically find sequences of near-identical photos in their iCloud library, turning unintended burst shots into stereo wigglegrams.
- An entire Herculaneum scroll has been read for the first time
Using X-ray scanning and machine learning, the Vesuvius Challenge team virtually unwrapped and read the first complete Herculaneum scroll (PHerc. 1667) without physically opening it.
- S&P 500 rejects SpaceX, also blocking entry for OpenAI and Anthropic
S&P 500 rejects rule changes that would have fast-tracked SpaceX, OpenAI, and Anthropic into the index, maintaining standard eligibility criteria like profitability and a one-year seasoning period.
- C++: The Documentary
A new documentary chronicles C++'s 40-year history from Bell Labs to becoming the fastest-growing top-four language, with 90% user growth in 3.5 years.
- Reviving Papers with Code
A Hugging Face engineer revives Papers with Code as paperswithcode.co, using AI agents to parse papers and auto-generate leaderboards for AI domains.
- Ask HN: Are most corporate SWE jobs performative?
A Hacker News user argues that SWE roles at large companies (including FAANG) are often performative, with managers and teams prioritizing impression over impact.
- Doing nothing at work
Working below full capacity—keeping slack in one's schedule—is essential for handling high-value tasks, preventing burnout, and responding to crises, but requires careful communication with managers.
- Reading for pleasure is sharply down among schoolkids, report shows
A report shows reading for pleasure among schoolkids has sharply declined since 2012, with commenters blaming smartphones, classroom technology, and parental habits.
- PlayStation Architecture
The piece details the PlayStation's hardware architecture, including its MIPS R3000A CPU, custom chips, and the design trade-offs that shaped its distinctive 3D capabilities.
- The Cypherpunk Library
The Cypherpunk Library offers a curated collection of public-domain readings on cryptography and privacy, free and available for browsing.
- Words of Type | Hacker News
Words of Type is a beautifully designed typography glossary that pays exceptional attention to detail and serves as a brilliant educational resource.
- How liminalism became the defining aesthetic
The article argues that liminalism has become the defining aesthetic of the modern era, but Hacker News commenters widely disagree, calling it a microniche.
- Thi.ng – open-source building blocks for computational design and art
Thi.ng is a 350-module open-source toolkit for computational design and generative art, built bottom-up with small, composable pieces.
- Self-hosted dev sandboxes with preview URLs (Docker, Go, no K8s)
sandboxd is an open-source backend that creates isolated Linux containers with AI coding agents and live preview URLs, all self-hosted on one machine using Docker and Go.
- Show HN: I Derived a Pancake
A developer derives the optimal pancake recipe from first principles, creating a parametric calculator that adapts ingredients to available dairy and acid sources.
- Dopamine Fracking
The article coins 'dopamine fracking' to describe how modern internet platforms extract concentrated attention hits, drawing a parallel to environmental fracking's long-term damage.
- Making Graphics Like it's 1993
An indie developer builds a retro first-person shooter using a software renderer with palette-based shading, replicating 1993-era graphics constraints.
- Pac-Man, but you're the ghost
A game lets you play as a ghost chasing AI-controlled Pac-Man, with power pellets reversing roles and making you flee.
- Show HN: Putt.day a daily mini golf game
putt.day is a daily browser-based mini golf game where players compete on a single new hole each day, with physics and scoring recently tweaked after community feedback.
- TinyWind: A pixel pirate sailing game with real wind physics (380k+ kms sailed)
TinyWind is a free browser-based sailing game with real wind physics, where players adjust sails and steer to battle AI enemies across 380k+ km sailed.
- How SpaceX Humiliated Wall Street
SpaceX's Starlink generated more revenue in 2023 than all other commercial space companies combined, demonstrating the financial power of vertical integration and rapid iteration over traditional aerospace contracting.
- Why thinking out loud with someone beats thinking alone
Articulating thoughts to another person compels clear structure and reveals hidden assumptions, often leading to better solutions than solitary reflection.
- Is Meta destroying its engineering organization?
Meta has reassigned 30-50% of engineers from core teams to data labeling for AI, sparking morale collapse and skepticism about leadership's strategy.
- An interview with an Apple emoji designer
A book author interviews Ollie Wagner, one of Apple's first emoji designers, about the process, SoftBank influence, and Steve Jobs' approval.
- Show HN: Inkwash, a watercolor sketching app and explanation
Inkwash is a browser-based watercolor sketching app that simulates fluid dynamics and pigment behavior using WebGL2 shaders, with interactive demos explaining the algorithm.
- Free SQL→ER diagram tool, runs in the browser, nothing uploaded
A developer built a free, open-source browser-based tool that converts SQL CREATE TABLE statements into interactive ER diagrams without uploading data to any server.
- TIL: You can make HTTP requests without curl using Bash /dev/TCP
Bash's /dev/tcp feature allows making HTTP requests by opening a raw TCP socket and writing the request manually, useful when curl or wget are absent.
- How to setup a local coding agent on macOS
A developer details setting up a local coding agent on macOS using llama.cpp, Gemma 4, and Pi for real-time terminal-based AI assistance.
- Datasette Apps: Host custom HTML applications inside Datasette
Simon Willison introduces a new plugin hosting sandboxed HTML+JavaScript apps inside Datasette, enabling custom read/write SQL interfaces within tight iframe constraints.
- Show HN: Are You in the Weights?
A tool queries multiple LLMs to see if they recognize a name, but users report that even confident responses are often hallucinated or inaccurate.
- Show HN: Paca – Lightweight Jira alternative for human-AI collaboration
Paca is an open-source, self-hosted project management platform designed for AI agents and humans to collaborate as equal teammates.
- A website that lists websites to submit your website to
Hacker News commenters discuss a website listing 50 directories for submitting websites, debating the declining SEO value and risk of spam.
- Being an old school web-based sports sim dev in the era of vibe coded games
The creator of Basketball GM describes how AI-powered 'vibe coding' is enabling a wave of low-effort competitors, but he hasn't yet seen an impact on his web-based sports sim game.