Suburban school district uses license plate readers to verify student residency

https://media.nbcchicago.com/2023/07/mega-millions-generic.jpg?quality=85&strip=all
Thalía Sánchez's daughter was denied enrollment in Alsip Hazelgreen Oak Lawn School District 126 due to license plate recognition software showing her car in Chicago. The school district uses a $41,904 contract with Thompson Reuters Clear to track vehicle locations for residency verification.

US banks' exposure to private credit hits $300B (2025)

https://alternativecreditinvestor.com/wp-content/uploads/2024/04/iStock-1089771366.jpg
US banks have lent nearly $300bn to private credit providers, with overall lending to non-depository financial institutions reaching $1.2tn. Top lenders include Wells Fargo, Bank of America, PNC, Citigroup, and JPMorgan Chase.

Show HN: We analyzed 1,573 Claude Code sessions to see how AI agents work

https://opengraph.githubassets.com/81ad84f547495bda0220bd87d866cf790c7744da5abd2c2e1d2c1e735b712725/obsessiondb/rudel
To use Rudel analytics with Claude Code, install Rudel via npm and authenticate via browser, then enable auto-upload sessions. Rudel ingests session data, including sensitive material, so review the Privacy Policy before enabling uploads.

ATMs didn't kill bank Teller jobs, but the iPhone did

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J D Vance's claim that ATMs didn't displace bank tellers is true, but it's because ATMs were a complementary technology that increased demand for tellers to focus on relationship banking. The real reason bank teller employment declined was the rise of mobile banking, enabled by the iPhone, which made physical bank branches and tellers obsolete.

Malus – Clean Room as a Service

https://malus.sh/turd.png
MalusCorp offers a service to recreate software from scratch using AI, eliminating open source license obligations. They charge per kilobyte of unpacked size on npm, with a full refund if their code infringes on the original license.

Dolphin Progress Release 2603

https://dolphin-emu.org/m/user/uploads/zinnia/2026/03/12/progressreportheader2603-social.jpg
Dolphin emulator adds Triforce arcade support and major performance boosts to Rogue Squadron games.

Hive (YC S14) is hiring scrappy product managers and product/data engineers

hive.co Jobs

Show HN: Axe A 12MB binary that replaces your AI framework

https://raw.githubusercontent.com/jrswab/axe/master/banner.png
Axe is a tool that treats LLM agents like Unix programs, allowing them to be composed and run from the command line. It uses TOML configuration files to define agents with focused skills and abilities.

The purpose of Continuous Integration is to fail

https://blog.nix-ci.com/static/res/og-2026-02-05_the-purpose-of-ci-is-to-fail.png
Continuous integration (CI) is valuable when it fails, catching mistakes early and preventing bad outcomes. CI passing is just overhead, adding friction without providing value when no mistakes are made.

Avoiding Trigonometry (2013)

The user argues that trigonometry should be avoided in 3D rendering codebases, instead using vector operations to simplify and optimize calculations. A specific example of rotating a vector around another vector is used to demonstrate this approach, resulting in a more efficient and stable solution.

Big Data on the Cheapest MacBook

https://duckdb.org/images/blog/authors/gabor_szarnyas.png
The MacBook Neo handles database workloads well, completing queries in under a minute in cold runs and 15 minutes in total. However, its disk I/O and 8 GB memory limit make it unsuitable for daily Big Data workloads.

3D-Knitting: The Ultimate Guide

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3D-knitting is a method of garment making that uses advanced computerized machines to create seamless clothing with little to no human input, reducing waste and producing high-quality, customizable products. This technology is expected to revolutionize the fashion industry by offering on-demand production, sustainability, and better quality clothing, potentially replacing traditional ...

Kotlin creator's new language: a formal way to talk to LLMs instead of English

https://codespeak.dev/opengraph-image?85ad0ffb0f3838a8
CodeSpeak replaces existing code with specs 5-10x smaller in mixed projects. It generates specs from real code, making maintenance easier for humans.

Show HN: Calyx – Ghostty-Based macOS Terminal with Liquid Glass UI

https://opengraph.githubassets.com/24857ce8e65d30209404a4c808f6167ebd2fc8160a93b2377ff603fe48b23db2/yuuichieguchi/Calyx
Calyx is a terminal emulator with features like scrollback search, Git source control, and Claude Code IPC. It uses AppKit and SwiftUI for window and view management.

Show HN: s@: decentralized social networking over static sites

sAT Protocol is a decentralized social networking protocol based on static sites where users own and control their data. Users follow each other by mutual consent and data is encrypted and stored on their own websites, accessible only to those they follow.

SBCL: A Sanely-Bootstrappable Common Lisp (2008) [pdf]

Steel Bank Common Lisp (SBCL) is a Common Lisp implementation that is bootstrappable from a variety of other Common Lisp implementations, not solely from itself or another language. SBCL's build process involves embedding an SBCL compiler within a host Lisp, using that embedded compiler to generate a fresh, standalone SBCL image, and then simulating the act of loading FASL files and saving a ...

Printf-Tac-Toe

https://opengraph.githubassets.com/5726594053d0a549a0e82cf6d8ed42a1285a514e60314799d30cd54b05c167e1/carlini/printf-tac-toe
This C program implements a tic-tac-toe game within a single printf call, using scanf to read user input and treating memory as a binary array to perform arbitrary computation. The game logic is represented as a board of 18 bits, with a turn counter and win detection implemented using a series of printf and scanf calls.

Emacs internals: Tagged pointers vs. C++ std:variant and LLVM (Part 3)

https://thecloudlet.github.io/images/boxed-vs-unboxed.png
GNU Emacs uses a 64-bit Lisp_Object to represent different types of Lisp values, reclaiming unused bits as a type tag, while other systems like LLVM use custom RTTI and struct embedding to manage dynamic typing within memory constraints. Different systems use various techniques such as tagged pointers, fat pointers, and struct embedding to efficiently represent different types and manage memory usage.

I was interviewed by an AI bot for a job

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The Verge's AI reporter tried AI interview tools, finding them unnatural and biased, despite claims of reduced prejudice. AI-led job interviews are becoming common, but their effectiveness and fairness are still debated.

High fidelity font synthesis for CJK languages

https://raw.githubusercontent.com/kaonashi-tyc/zi2zi-JiT/main/assets/showcase.png
zi2zi-JiT is a conditional variant of JiT for Chinese font style transfer, synthesizing characters in target font styles. It uses a CNN-based architecture with Multi-Source In-Context Mixing and is trained on 400+ fonts with 300k+ character images.

ArcaOS 5.1.2 (based on OS/2 Warp 4.52) now available

https://www.arcanoae.com/wp-content/uploads/2017/05/arcaos.png
Arca Noae released ArcaOS 5.1.2 with improved UEFI support and GPT-based disk layouts. It's free for those with active ArcaOS 5.1 subscriptions and available for download with a steep discount for ArcaOS 5.0 subscribers.

Returning to Rails in 2026

https://www.markround.com/assets/generated/rails/setlist-250-d5bf1a49a.png
The author built a web application called setlist.rocks using Ruby on Rails, rediscovering the joy of building a web application the old-fashioned way and appreciating the simplicity and expressiveness of Rails. The author found that Rails 8 has become a very different beast, with a simplified JavaScript library bundling tool, a "no build" approach, and new features like Solid Cache and Solid ...

Datahäxan

https://0dd.company/media/logos/eyelogo.png
User watched the 1922 film Häxan and found it outdated. They experimented with glitching the film's binary data to introduce color and visual effects.

Tested: How Many Times Can a DVD±RW Be Rewritten? Methodology and Results

https://goughlui.com/wp-content/uploads/2026/03/ritekw01-dashes.jpg
A user conducted an experiment to test the cycle life of various DVD-RW discs using a Lite-On iHAS120 drive and Opti Drive Control software, with the goal of determining how many times a disc can be rewritten before failing. The results showed that some discs, such as the TDK 2x DVD-RW, were able to complete over 1000 cycles without error, while others, such as the Verbatim MKM-A02-000, ...

1B identity records exposed in ID verification data leak

https://s.yimg.com/ny/api/res/1.2/1mmnzfOXrHSbDye2r7emAA--/YXBwaWQ9aGlnaGxhbmRlcjt3PTEyNDI7aD02OTk-/https://media.zenfs.com/en/aol_fox_news_text_745/b89c415049f6eed4ad03710c044a3af4
A database tied to IDMerit, a company that verifies identities, exposed 1 billion sensitive records across 26 countries, including 203 million in the US. The exposed data included full names, home addresses, dates of birth, and national ID numbers, which could be used for targeted phishing scams and SIM-swap attacks.

U.S. Navy Turns Down Hormuz Escort Requests Because of High Risk

https://maritime-executive.com/media/images/article/Tanker-escort-1987-Operation-Earnest-Will-Tanker-Wars-USN.jpg.b2447e.backup
US Navy has declined to provide Strait of Hormuz escorts due to high risk of attacks, despite White House urging. Other nations like Pakistan and France are providing naval escorts to protect shipping in the region.

Don't post generated/AI-edited comments. HN is for conversation between humans

Hacker News Guidelines summarize to: Hacker News is for sharing interesting content, not promotion or off-topic news. Users should comment thoughtfully and respectfully, avoiding shallow criticism and personal attacks.

Reliable Software in the LLM Era

https://quint-lang.org/robot.jpg
Informal Systems created Quint to make software more reliable by validating AI-generated code through executable specifications. Quint's tools help developers build confidence in complex systems through exploration and property checking.

NASA's DART spacecraft changed an asteroid's orbit around the sun

https://www.sciencenews.org/wp-content/uploads/sites/2/2026/03/030526_LG_asteroid_main.jpg?w=1030
Science News is a nonprofit source of accurate science, medicine, and technology news since 1921. It empowers people to evaluate news and the world through public engagement in scientific research and education.

USDA is closing buildings, relocating staff, and downsizing-a lot

https://www.foodpolitics.com/wp-content/uploads/Screenshot-2026-03-07-193527.png
The USDA is downsizing by selling its aging South Building and relocating staff to new hubs in several states. This move is part of a larger effort to reduce the department's size and footprint in the national capital region.