Open-source self-driving for 325 car models from 27 brands

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comma four works with the car you already drive. It's active driver assistance for your Toyota, Hyundai, Ford, and more. We're looking for talented individuals, able to work independently, and ready to make a meaningful impact. See open positions

Unrolling the Codex agent loop

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Codex CLI is a software agent that uses an LLM to generate responses to user input, with an agent loop that iterates between model inference and tool calls. The agent loop manages context window and uses prompt caching to optimize performance, with compaction enabled to avoid running out of context window.

New YC homepage

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YC creates a highly productive environment among founders, fostering a sense of urgency and community. It pushes founders to new levels of speed and productivity, resetting their expectations.

Some C habits I employ for the modern day

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The user has developed their own C coding style, influenced by other languages like Rust and C#, which emphasizes strict type checking, explicit memory management, and error handling through result types and parsing. They use C23 features like tagged types and explicit standardization to create robust APIs and prefer to reimplement standard library functions when possible to achieve better ...

Losing 1Β½ Million Lines of Go

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The user is implementing character-property regexp features in Quamina, a Go programming project, by building on the Unicode Character Database to avoid generating 1.5M lines of code. They used caching to improve performance and considered using GenAI, but chose not to due to lack of tooling and experience.

Gas Town's agent patterns, design bottlenecks, and vibecoding at scale

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Steve Yegge's Gas Town is a chaotic, vibecoded agent orchestrator that sparks debate on the future of software development. Despite its inefficiencies, it reveals useful patterns for future agentic systems and highlights the need for better design and agent orchestration.

Caroline Ellison Former Alameda CEO Released from Prison After 440 Days

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Microsoft gave FBI set of BitLocker encryption keys to unlock suspects' laptops

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BitLocker recovery keys are uploaded to Microsoft's cloud by default, allowing authorities to access encrypted data. This raises concerns about privacy and security risks, including potential hacking of Microsoft's cloud infrastructure.

Internet Archive's Storage

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Bruce Li introduces his The Long Now of the Web: Inside the Internet Archive’s Fight Against Forgetting thus: This report delves into the mechanics of the Internet Archive with the precision of a teardown. We will strip back the chassis to examine the custom-built PetaBox servers that heat the building without air conditioning. We will trace the evolution of the web crawlersβ€”from the early ...

Proof of Corn

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seth responds to @fredwilson, saying AI can't directly affect the physical world, but it can orchestrate systems and people to achieve tasks, like a farm manager. Claude Code is an AI that aggregates data, makes decisions, and coordinates human operators to grow real corn.

Route leak incident on January 22, 2026

On January 22, 2026, an automated routing policy configuration error caused a 25-minute BGP route leak from Cloudflare's Miami data center, affecting multiple external parties and causing congestion, elevated loss, and higher latency for some Cloudflare customer traffic. Cloudflare has apologized for the incident and is taking steps to improve routing security, including patching the failure ...

Mental Models (2018)

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The text discusses various mental models and concepts that help us understand the world, make better decisions, and spot opportunities. These models include velocity, reciprocity, thermodynamics, inertia, friction, and leverage, which can be applied to various aspects of life to achieve success and progress.

Noora Health (YC W14) Is Hiring AI/ML Engineer

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Noora Health India Private Limited equips family caregivers with skills to care for loved ones through content, technology, and education. They seek an AI/ML expert to build and deploy AI systems, improve user experience, and care delivery.

Wilson Lin on FastRender: a browser built by parallel agents

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Wilson Lin built FastRender, a web browser using autonomous coding agents, to explore frontier models' capabilities. The project used 2,000 agents concurrently, making thousands of commits per hour, and achieved a week-long run without human intervention.

Booting from a vinyl record (2020)

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A person created a bootable record for a PC using a record player, amplifier, and custom ROM. The record contains a 64K RAM drive with a FreeDOS kernel and loads through the PC's cassette interface.

Banned C++ features in Chromium

Chromium's C++ style guide bans certain language and library features due to various reasons such as incomplete toolchain support, security concerns, or overlap with existing Chromium code. The guide requires proposing changes to the status of a feature by sending an email to [email protected].

Ask HN: What's the current best local/open speech-to-speech setup?

You're trying to implement a local voice assistant with low latency and interruptible speech-to-speech functionality. You're having trouble finding a reproducible example of using Qwen3 Omni for real-time speech-to-speech conversion.

KORG phase8 – Acoustic Synthesizer

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phase8 is an 8-voice acoustic synthesizer merging physical and electronic sound generation. It features envelope shaping, sequencing, and modulation, with interchangeable resonators for custom sound creation.

The tech monoculture is finally breaking

The tech industry has shifted from a golden era of variety and innovation in the 90s and early 2000s to a period of consolidation and homogenization, but now new paradigms are emerging with a focus on unique personalities and experiences. This shift is driven by consumer demand for alternatives, nostalgia, and a desire for devices that feel personal, leading to a potential new golden era of ...
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The user received a newsletter for Lumo despite opting out and Proton Support initially denied it was a Lumo email. The user believes Proton and GitHub are abusing their services by ignoring opt-out requests.

Show HN: Whosthere: A LAN discovery tool with a modern TUI, written in Go

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Whosthere is a Go-based LAN discovery tool with a modern TUI that performs unprivileged scans using mDNS, SSDP, and ARP. It can be configured via a YAML file and provides a friendly way to discover devices on your network.

Notes on the Intel 8086 processor's arithmetic-logic unit

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The 8086 processor has a 16-bit ALU that performs arithmetic and logic operations, with a two-step process involving microcode instructions to configure the ALU and retrieve results. The ALU control circuitry generates control signals based on micro-instructions and machine code instructions.

Gold fever, cold, and the true adventures of Jack London in the wild

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Jack London, a 21-year-old writer, joined the Klondike gold rush in 1897 and spent nine months in the Yukon Territory, where he drew inspiration for his famous novel "The Call of the Wild." London's experiences as a prospector and his relationships with the people and dogs he met shaped his writing and made him a celebrated author.

Workspaces and Monorepos in Package Managers

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Package managers like npm, Yarn, and pnpm have introduced workspaces to simplify dependency management in multi-package projects, allowing local dependencies to be automatically wired up during install. However, workspaces introduce new complexities such as phantom dependencies, version mismatches, and build orchestration issues that require additional tooling and coordination.

Certificate Transparency Log Explorer

Freestyle provisions wildcard certificates for customers, but malicious actors use Certificate Transparency (CT) logs to discover preview domains. The project monitors Google Chrome's CT logs to understand how CT works and protect customers from malicious traffic.

Floating-Point Printing and Parsing Can Be Simple and Fast

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The user discusses the history of floating-point printing and parsing, citing various researchers and their contributions to the field, including Coonen, Slishman, Steele, and White. The user presents a new approach called unrounded scaling, which combines and simplifies earlier works to provide fast and accurate floating-point printing and parsing.

The SIM-to-real problem isn't about simulators – it's about behavior robustness

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Researchers have found a way to predict which policies trained in simulation will work on real hardware by analyzing the movement style or "accent" of the robot. This approach uses a classifier to identify successful transfer policies based on their kinematic signatures, allowing for faster and more reliable deployment of robots on new hardware.

Nobody likes lag: How to make low-latency dev sandboxes

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Compyle's initial architecture for ephemeral cloud dev environments had slow startup times and extra network hops, causing unbearable lag in terminals and IDEs. By simplifying the architecture, removing socket servers, and keeping warm pools in multiple regions, Compyle achieved significant performance improvements and reduced terminal roundtrip time from over 200ms to 14ms.

Killing the ISP Appliance: An eBPF/XDP Approach to Distributed BNG

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The user built an open-source, eBPF-accelerated BNG that runs directly on OLT hardware to solve ISP edge infrastructure problems. This distributed architecture is more resilient, has lower latency, and is operationally simpler than traditional centralized appliances.

Waypoint-1: Real-Time Interactive Video Diffusion from Overworld

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Waypoint-1 is a real-time interactive video model that can create a world you can step into and interact with via text, mouse, and keyboard controls. It's a latent model trained on 10,000 hours of video game footage with fast inference and zero latency.