Defeating a 40-year-old copy protection dongle

https://dmitrybrant.com/images/20260105204922.jpg
The user helped an accounting firm move away from legacy software and discovered a hardware copy-protection dongle required for an RPG compiler. The dongle's purpose was to verify a constant number stored in the BX register.

Notepad++ hijacked by state-sponsored actors

Notepad++ update traffic was compromised from June to December 2025 due to a hosting provider breach. Security measures have been implemented to prevent similar incidents, including a new hosting provider and enhanced update verification.

Show HN: NanoClaw – “Clawdbot” in 500 lines of TS with Apple container isolation

https://repository-images.githubusercontent.com/1146738089/6d3089da-11d6-4a31-ae00-8ec33e30c667
NanoClaw is a lightweight, secure, and customizable AI assistant that runs in Apple containers. It uses a small codebase and allows users to customize it with skills, eliminating configuration sprawl.

Actors: A Model of Concurrent Computation [pdf] (1985)

The actor model is a paradigm for concurrent computation in distributed systems, allowing for dynamic reconfiguration and modeling of shared resources. It provides a framework for exploiting large-scale parallelism and addressing issues such as divergence and deadlock.

Show HN: Wikipedia as a doomscrollable social media feed

Xikipedia is a demo social feed showing Simple Wikipedia content based on user engagement. It runs locally, collecting no data, but may display NSFW content due to random Wikipedia articles.

Apple I Advertisement (1976)

http://apple1.chez.com/Apple1project/Gallery/Apple1pub.jpg
The Apple Computer is a complete microcomputer system on a single board with built-in video terminal and 8K bytes of RAM memory. It's a powerful and affordable system for developing programs, playing games, and running BASIC.

Treasures found on HS2 route stored in secret warehouse

https://ichef.bbci.co.uk/news/480/cpsprodpb/74de/live/1ad8b940-fd05-11f0-9f4b-95ef5573d840.jpg.webp
Archaeologists have uncovered 450,000 objects along the HS2 train line route, including a 40,000-year-old hand axe and Roman gladiator's tag. The finds will provide new insights into Britain's past, but the project's future and ownership of the objects are still undecided.

Time Machine-style Backups with rsync (2018)

https://samuelhewitt.com/img/icon.png
User created a script using rsync to create incremental backups of their data directory, utilizing hard-links to save space. They plan to automate this process with a cron job to run at regular intervals.

Adventure Game Studio: OSS software for creating adventure games

https://www.adventuregamestudio.co.uk/site/assets/img/games/2932_1.webp
AGS is open-source software for creating graphical point-and-click adventure games. It has a friendly community and offers free game creation with support for multiple platforms.

My thousand dollar iPhone can't do math

https://journal.rafaelcosta.me/content/images/2026/01/original-39c7e1f432c4bda26535fd3e0b5cb7d5.webp
The iPhone 16 Pro Max had a hardware defect in its Neural Engine, causing incorrect numerical values in MLX LLMs. The issue was resolved with a new iPhone 17 Pro Max, confirming the hardware defect was specific to the iPhone 16 Pro Max.

Founding is a snowball

https://substackcdn.com/image/fetch/$s_!XJ8t!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa8060f95-6eee-49ca-aef8-48680ff42363_1280x800.jpeg
A person rolls a snowball with others, growing it bigger and faster as they work together. Eventually, the snowball becomes massive, and the group must decide whether to continue pushing it forward or start anew.

Efficient String Compression for Modern Database Systems

https://cedardb.com/blog/string_compression/input-patterns.svg
CedarDB's new compression scheme, FSST, reduces storage size by up to 60% and improves query performance by up to 40% for certain queries. FSST combines dictionary compression with a symbol table to leverage common patterns in data, but its use is limited to when the compressed data must be at least 40% smaller than the second-smallest scheme.

Building Your Own Efficient uint128 in C++

We implement a 128-bit unsigned integer as two 64-bit limbs using x64 intrinsics for carry, borrow, and multiply operations. The generated code is on par with the built-in __uint128_t for addition, subtraction, multiplication, and comparison.

Two kinds of AI users are emerging

https://martinalderson.com/img/future-of-work-flowchart.png
The author notes a significant difference between AI users, with "power users" adopting advanced AI technology like Claude Code and others sticking to basic chatbots. This gap is causing productivity disparities between smaller companies and enterprises.

Teaching my neighbor to keep the volume down

https://cdn.idiallo.com/images/assets/601/hero.jpg
The author's family switched to Dish Network in 2007 due to lack of availability of their previous cable company. They initially used an RF remote but experienced interference issues with a noisy neighbor.

MicroPythonOS graphical operating system delivers Android-like user experience

https://www.cnx-software.com/wp-content/uploads/2026/01/MicroPython-OS-user-interface-720x390.jpg
MicroPythonOS is an open-source OS for microcontrollers with a GUI, appstore, and OTA updates, written in MicroPython. It targets applications with GUIs and runs on ESP32, Raspberry Pi, and other platforms, with various hardware support and a growing app ecosystem.

Typechecking is undecidable when 'type' is a type (1989) [pdf]

A typed lambda calculus with dependent types and the type of all types has enormous expressive power but is undecidable. The typechecking problem for such a language is undecidable due to the presence of looping combinators.

In the Lab – Soldering Prototypes with Enamel Magnet Wire

https://tomverbeure.github.io/assets/soldering_setup/prototype.jpg
I’m not a huge fan of breadboarding. For many, it’s been the tried and true way to quickly hack a circuit together, but somehow it rubs me the wrong way: it’s too impermanent, I’m terrible at arranging the components just right. I always run out of just the wires that I need. And I’ve experienced bad contacts a number of times. So when I’m too impatient to have a PCB made, I like to solder a ...

Reliable 25 Gigabit Ethernet via Thunderbolt

https://kohlschuetter.github.io/blog/assets/posts/2026/01/27/tb25/px25g_product_shot.jpeg
The user found a tiny Thunderbolt to 25 Gigabit Ethernet adapter that's plug-and-play on macOS, but gets extremely hot and sometimes causes kernel panics.

Ian's Shoelace Site

https://www.fieggen.com/shoelace/professor-shoelace-160.jpg
Ian Fieggen, also known as "Professor Shoelace", created Ian's Shoelace Site, a website about shoelaces with tutorials, photos, and interactive tools. The site has over 300 pages and offers various shoelace knots, lacing methods, and information on shoelace construction.

Netbird – Open Source Zero Trust Networking

https://netbird.io/_next/image?url=%2F_next%2Fstatic%2Fmedia%2Fsecure-remote-access-access-control-policy.d016dfdd.png&w=1920&q=75
NetBird provides a unified open source platform for secure connectivity with features like posture checks, MFA, and granular access control. It simplifies network management and eliminates complexity with its Zero Trust model and infrastructure-agnostic design.

Clearspace (YC W23) Is Hiring an Applied Researcher (ML)

https://bookface-images.s3.amazonaws.com/small_logos/c529e630330060d36da2e82926d0dc5adad8c217.png
Clearspace is building a mobile app to protect human attention by filtering network traffic using AI. They're looking for an ML-focused engineer to train and improve a model for classifying network traffic in San Francisco.

Troublemaker: The fierce, unruly life of Jessica Mitford

https://www.lrb.co.uk/storage/social_image/images/5/1/3/4/31034315-1-eng-GB/a428d756e0e0-jessica-mitford.jpg
W​ duchess of Devonshire, died at the age of 94 in September 2014, the obituary headlines rang the changes on ‘the end of an era’ and ‘the last of the Mitford sisters’. If the first was true, the second was not. It sometimes feels as if we shall never hear the last of the Mitfords. What Jessica, one of Deborah Devonshire’s older siblings, called ‘the Mitford Industry’ has powered on in spite ...

A Crisis comes to Wordle: Reusing old words

https://bear-images.sfo2.cdn.digitaloceanspaces.com/herman-1683556668-0.png
The New York Times announced that Wordle will reuse some words from previous years starting February 2. This move has caused a stir in the Wordle community, with some players questioning the decision and considering stopping.

History and Timeline of the Proco Rat Pedal (2021)

https://wiki.archiveteam.org/images/e/e6/Archiveteam.jpg
This page is dedicated to the correct history and timeline of the ProCo RAT and all surrounding versions since 1977. I have spent almost a decade purposefully collecting, cross referencing and studying actual RAT units and any information below is given in as a result of information I have seen and gathered personally. Until now, I have never seen a well-done or accurate public reference on ...

Towards a science of scaling agent systems: When and why agent systems work

https://storage.googleapis.com/gweb-research2023-media/original_images/AgentScaling3_TaskPerformanceHERO.png
Researchers studied how to design AI agents for optimal performance, challenging the assumption that more agents are better. They found that agent performance depends on task properties and architecture, and developed a predictive model to identify the optimal coordination strategy.

Amiga Unix (Amix)

https://www.amigaunix.com/lib/exe/fetch.php/amix_ebay_2020.jpg?w=500&tok=8084ae
Amiga UNIX, also known as Amix, is a port of AT&T System V Release 4 Unix to the Amiga in 1990. It's an interesting piece of history but not suitable for modern use due to its outdated nature and lack of updates.

Show HN: ÆTHRA – Writing Music as Code

You're creating ÆTHRA, a music composition language that directly represents musical intent, focusing on text-based composition and ambient music. It's open-source and seeking feedback on design, feature ideas, and thoughts from programming language, audio, and generative art experts.

FOSDEM 2026 – Open-Source Conference in Brussels – Day#1 Recap

https://cdn.gyptazy.com/img/fosdem2026-sovereignity.jpg
FOSDEM 2026 focused on digital sovereignty, open infrastructure, and community-driven software, with a growing awareness of Europe's technological future. The conference highlighted the importance of independence, sustainability, and control in open source software.

VisualJJ – Jujutsu in Visual Studio Code

https://www.visualjj.com/_next/static/media/page-illustration.3cec8b53.svg
Engineers use VisualJJ to stay in flow. It gives you a clear, interactive change tree on top of Jujutsu and Git, so you can see what’s happening, edit history safely, and keep shipping—whether you’re deep into JJ or just tired of wrestling Git.