The workers behind Meta's smart glasses can see everything

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Meta's smart glasses collect user data, including private videos and conversations, which are then processed by subcontractors in Kenya. The data is shared with Meta's AI systems, raising concerns about user privacy and data protection.

Welcome (back) to Macintosh

The author has experienced numerous issues with macOS, including Time Machine failures, Spotlight problems, and Finder issues, which have persisted for years despite multiple OS releases. The author believes Apple has lost focus on user needs and is prioritizing design changes over stability and usability.

Closure of the Weatherradio Service in Canada

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Radio Amateurs du Canada (RAC) a le regret d’apprendre la fermeture du service Radio-Météo fourni par Environnement et Changement climatique Canada Pendant des décennies, Radio-Météo a été une source fiable et résiliente diffusant en temps réel des alertes météorologiques et des renseignements sur la sécurité publique destinés aux Canadiens, en particulier dans les collectivités rurales, ...

Dragon Ball Color Correction Process [pdf]

The text discusses limitations in color space and display for the Dragon Ball series, specifically referencing 8-bit displays and the potential for 10-bit HDR if original film negatives were available.

British Columbia to end time changes, adopt year-round daylight time

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British Columbia will permanently adopt daylight time after March 8, ending clock changes. Residents have 8 months to prepare for the change, set for November 1, 2026.

Show HN: I built a sub-500ms latency voice agent from scratch

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The author built a custom voice agent from scratch, achieving a 2x latency improvement over off-the-shelf providers like Vapi, by optimizing model choice, pipelining the agent turn, and carefully managing geography and service placement. The key takeaway is that voice is an orchestration problem, requiring careful coordination of multiple models and services in real-time, and that building a ...

RCade: Building a Community Arcade Cabinet

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The RCade is a custom arcade cabinet at the Recurse Center that runs community-created games, with a deployment system that makes it easy for anyone to ship a game in minutes. The project involved building custom hardware and software, including a display adapter and input controllers, to create a unique gaming experience for Recursers.

First in-utero stem cell therapy for fetal spina bifida repair is safe: study

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UC Davis Health researchers successfully combined fetal surgery with stem cells to treat spina bifida in a Phase 1 clinical trial, showing great safety and potential for improved outcomes. The trial, funded by a $9 million state grant, aims to enroll 35 patients to evaluate long-term safety and improved movement.

New iPad Air, powered by M4

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Apple announced the new iPad Air with M4, offering a big jump in performance at the same starting price. The new iPad Air features a faster CPU and GPU, improved AI capabilities, and Wi-Fi 7 connectivity.

Show HN: Govbase – Follow a bill from source text to news bias to social posts

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The 185-Microsecond Type Hint

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A Clojure implementation of Roughtime protocol for secure time synchronization was optimized by replacing a complex function call with a single CPU instruction, resulting in a 13x improvement in end-to-end benchmark. The improvement was due to removing a reflective barrier that forced the runtime onto generic and slower paths, allowing the JIT to inline and parallelize the code effectively.

"That Shape Had None" – A Horror of Substrate Independence (Short Fiction)

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Show HN: Pianoterm – Run shell commands from your Piano. A Linux CLI tool

https://opengraph.githubassets.com/28d37831c8034a1a59d2150430723daa5b21fde59303d7f97951c93aa137d318/vustagc/pianoterm
Note: Assumes ALSA is used as the soundcard driver Use acconnect -i to find the desired midi port

Ask HN: Who is hiring? (March 2026)

Here are the job postings summarized in 2 concise English sentences each, not exceeding 200 characters:

LFortran compiles fpm

LFortran has successfully compiled the complex Fortran Package Manager (fpm) project, exposing and fixing dozens of bugs and missing features, bringing it close to beta quality. LFortran is now working on other third-party codes and expects to announce beta quality when it can compile medium-sized codes with high probability, with coarrays and parametrized derived types to be implemented after beta.

Motorola announces a partnership with GrapheneOS

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Motorola announced new consumer and enterprise solutions at Mobile World Congress, including a partnership with GrapheneOS Foundation for enhanced security. The company introduced Moto Secure and Moto Analytics to expand its B2B ecosystem with advanced security and operational insights.

Launch HN: OctaPulse (YC W26) – Robotics and computer vision for fish farming

Rohan and Paul, co-founders of OctaPulse, are building a robotics layer for seafood production, starting with automated fish inspection, to address the $350B global industry's lack of data visibility. They're using computer vision and robotics to handle live fish in humid and wet environments, and are seeking feedback from experts in computer vision, edge deployment, and aquaculture.

Show HN: uBlock filter list to blur all Instagram Reels

Reflex (YC W23) Is Hiring Software Engineers – Python

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Reflex is a unified platform that simplifies app development, deployment, and management with reusable abstractions and AI-powered tools. It has powered over 1 million applications and is used by 30% of Fortune 500 companies for internal tools and data-driven applications.

Programmable Cryptography

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Programmable cryptography is a new generation of cryptographic primitives that enable general-purpose computation inside or on top of cryptographic protocols, allowing for powerful new properties and applications such as universal protocols and cryptomata. This technology has the potential to transform the way we build computing systems, enabling greater privacy, security, and user control of ...

iPhone 17e

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Apple announced iPhone 17e with A19 chip, 48MP Fusion camera, and C1X modem for faster performance and connectivity. iPhone 17e starts at $599 with 256GB storage and is available for pre-order on March 4.

How to talk to anyone and why you should

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The author reflects on the decline of casual conversations with strangers in public spaces due to social anxiety and overreliance on technology. They argue that this loss of human interaction is a significant issue affecting people of all ages.

Ask HN: Who wants to be hired? (March 2026)

Multiple individuals from various locations are seeking work in software development, data engineering, and related fields, with a range of technologies and experience levels. They are looking for full-time, part-time, or contract opportunities in roles such as backend engineer, full-stack developer, data scientist, and more.

Inside the M4 Apple Neural Engine, Part 1: Reverse Engineering

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The user reverse engineered Apple's Neural Engine, mapping the software stack from CoreML to the IOKit kernel driver and discovering direct access to the ANE without CoreML. They found the ANE is a graph execution engine with 16 cores, supports a queue depth of 127, and has a unique compilation path using MIL and E5 binaries.

Build your own Command Line with ANSI escape codes (2016)

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The article explains how to control the terminal from a command-line program using ANSI escape codes, which allow for features like colored text, cursor movement, and screen clearing. By mastering these codes, developers can create custom command-line interfaces with features like syntax highlighting, drop-down menus, and rich interactions, making their programs more user-friendly and powerful.

Packaging a Gleam app into a single executable

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The user discusses various methods to create a Gleam executable, including Gleescript, Burrito, Deno compile, Node Single Executable Applications (SEA), and Bun build, each with their advantages and caveats. Bun build is found to be the most convenient and fast method, but its executables are large due to bundling the runtime.

Parallel coding agents with tmux and Markdown specs

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The user has developed a custom coding system using tmux, Claude Code, and bash aliases to manage parallel coding agents and feature designs (FDs) for efficient planning and development. They have created various slash commands and tools to streamline the process, including /fd-init, /fd-explore, /fd-deep, and /fd-verify, but face challenges with managing cognitive load and context window ...

Why Objective-C

User got rid of hundreds of thousands of lines of Objective-C code at Audible and now appreciates its simplicity. They're rewriting their blog generator, SalmonBay, in Objective-C for its elegance and stability.

Use the Mikado Method to do safe changes in a complex codebase

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You inherited a 300k lines of spaghetti code and need to refactor it. The Mikado Method helps by breaking down the task into smaller, manageable goals and subgoals, allowing you to make progress without getting stuck in the quicksand of the codebase.

19th century silent film that first captured a robot attack

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The Library of Congress has restored a 130-year-old silent film by Georges Méliès, depicting a robot clown attacking a human clown. The film is considered one of the first instances of a robot in a moving image, and its discovery highlights the enduring theme of robotics in science fiction.