Cowork: Claude Code for the rest of your work

https://cdn.prod.website-files.com/68a44d4040f98a4adf2207b6/6903d22a44550f2799b41ba4_c4a48972044d45df475f1dd84df3b74d221b6580-1000x1000.svg
Claude's Cowork allows users to give Claude access to folders and complete tasks with more agency than regular conversations. It's designed for non-coding tasks and can be made more powerful with existing connectors and skills.

TimeCapsuleLLM: LLM trained only on data from 1800-1875

https://raw.githubusercontent.com/haykgrigo3/TimeCapsuleLLM/main/london_1800_1850_v0/timelockllm_sample_output.png
A language model trained on 1800-1875 London data emulates the voice and worldview of the era. It recalls historical events and figures, producing 19th-century language and behavior.

Fabrice Bellard's TS Zip (2024)

ts_zip compresses text files using a Large Language Model, requiring a GPU and 4 GB RAM, with a high compression ratio but slow speed. It supports English and other languages, including source code, with deterministic and reproducible results.

The chess bot on Delta Air Lines will destroy you (2024) [video]

Postal Arbitrage

https://walzr.com/stamp.png
A person found items under $0.78 with free shipping on Amazon Prime and sent them to friends with a note, creating a fun surprise. This sparked a family group chat with random item exchanges, including a pregnancy test to a grandmother.

Unauthenticated remote code execution in OpenCode

OpenCode's unauthenticated web server was enabled by default before v1.1.10, allowing code execution with user privileges. It's now disabled by default but can be enabled, exposing endpoints to any client without authentication.

F2 (YC S25) Is Hiring

F2 is hiring a Product Designer to craft user experiences for its B2B AI product, partnering with teams to define workflows and elevate design language. The ideal candidate has 2+ years of experience in product design, a strong portfolio, and experience with SaaS products and AI-driven tools.

Date is out, Temporal is in

https://piccalil.b-cdn.net/api/og-image?slug=date-is-out-and-temporal-is-in/
JavaScript's Date object is flawed and inconsistent, leading to widespread use of third-party libraries. A new Temporal object is being developed to replace Date, offering a more modern and sensible way to handle dates in JavaScript.

LLVM: The bad parts

The author, the lead maintainer of the LLVM project, lists several issues with the project, including insufficient review capacity, frequent API changes, and slow build times, and suggests ways to address these problems. The author also mentions several other issues, such as the need for end-to-end testing, better handling of undefined values, and improved performance tracking infrastructure, ...

Show HN: AI in SolidWorks

https://www.trylad.com/Tan.png
LAD is a SolidWorks Add-in that uses natural conversation to create CAD models and assemblies. It verifies operations, corrects mistakes, and stores checkpoints for control and reproducibility.

Floppy disks turn out to be the greatest TV remote for kids

https://blog.smartere.dk/wp-content/uploads/2026/01/image-1.png
The user built a custom remote control for their 3-year-old son that uses a floppy disk to store media content, allowing the child to make independent choices and interact with the TV in a physical and tangible way. The project involved modifying a floppy disk drive, adding an RFID tag, and using microcontrollers to read the disk contents and control the WiFi communication, resulting in a ...

Perlsecret – Perl secret operators and constants

https://metacpan.org/static/images/sponsors/iban-logo.png
Perl has a tradition of giving nicknames to operators based on their appearance. Secret operators are not officially recognized by the Perl parser but are used by programmers to perform specific operations in a shorter way.

Show HN: Agent-of-empires: OpenCode and Claude Code session manager

https://raw.githubusercontent.com/njbrake/agent-of-empires/main/assets/tui.png
Agent of Empires (aoe) is a Rust tool using tmux to manage AI coding sessions, with profiles for separate workspaces and sessions. It provides commands for launching, checking, testing, formatting, and debugging code, with known issues when connecting via SSH.

What old tennis players teach us (2017)

https://i0.wp.com/www.raphkoster.com/wp-content/uploads/2025/10/biglogo-transparency.png?fit=512%2C512&ssl=1
Older players dominate tennis due to money, creating a power law curve where those with resources excel. This leads to stagnation and centralization, harming the ecosystem and its components.

Update on age requirements for apps distributed in Texas

https://developer.apple.com/news/images/og/apple-developer-og.png
A Texas district court injunction suspended enforcement of SB2420, prompting Apple to pause implementation plans and monitor the legal process. Apple's compliance tools remain available for testing and will also aid developers with upcoming laws in Utah and Louisiana.

Message Queues: A Simple Guide with Analogies (2024)

https://www.cloudamqp.com/img/blog/message-queues/monolith.svg
Message queues are like post offices for data, moving messages from one place to another, and are perfect for situations where systems need to communicate without waiting. They work by receiving messages from producers, lining them up, and sending them to consumers, making them ideal for microservice architectures.

Apple picks Google's Gemini to power Siri

https://image.cnbcfm.com/api/v1/image/108251161-17682301881768230186-43459552421-1080pnbcnews.jpg?v=1768230188&w=750&h=422&vtcrop=y
Apple is partnering with Google to use Gemini models for Siri's AI features, citing Google's technology as the most capable foundation. The multi-year deal will unlock new experiences for Apple users, with Google's market value surpassing $4 trillion.

Show HN: Fall asleep by watching JavaScript load

https://opengraph.githubassets.com/c38c5c0938cdc591fe546916c780a98af23eee761bf02f43eb9abacf7281bf51/sarusso/bedtime
A user created a bedtime story project with a spinning loader to help with sleep. The project is available at http://bedtime.my and can be added to phone home screens for fullscreen display.
https://chrismorgan.info/blog/github-links-case-study/github-404.png
The topic here is link maintenance. By link maintenance, I mean keeping links working: if https://example.com/example exists now, it should always exist. If for some reason it can’t exist any more, don’t just let it go: it should show a useful error. I’m going to focus on the most frequent failure case: the HTTP status code 404 Not Found; it’s the most obvious failure case. My feeling on the ...

Building a 25 Gbit/s workstation for the SCION Association

https://raw.githubusercontent.com/scionassociation/blog-25gbit-workstation/main/img/lga4677_socket.webp
A custom-built workstation was created to test a new AF_XDP underlay for the SCION OSS, which aims to improve data plane performance for the SCION inter-AS routing architecture. The workstation features a 12-core Intel Xeon CPU, 3x Mellanox NVIDIA BlueField-2 smart NICs, and a total of 64 PCIe Gen5 lanes, with a budget of around $4,700 USD.

Anthropic made a mistake in cutting off third-party clients

Anthropic closed a loophole in their API, rejecting third-party clients, and lost customer goodwill. This move may have given rival OpenAI an opportunity to gain ground in the LLM market.

Ansible battle tested hardening for Linux, SSH, Nginx, MySQL

https://opengraph.githubassets.com/1f1d60b23268e85b84b7d885bc07c11509d77e9da869c2f46d25be95e6384dc5/dev-sec/ansible-collection-hardening
Roles are now part of hardening-collection, with old releases available in older tags. Last standalone role release was 6.2.0 under Apache License 2.0.

Zen-C: Write like a high-level language, run like C

https://opengraph.githubassets.com/b1c7d1e3d9ec2a627b3100cacc246c5d2352e4f9775dd25cf722ddb2036a3f23/z-libs/Zen-C
Zen C is a modern systems language compiling to C/C11 with features like type inference and async/await. It supports C ABI compatibility and has a directive for Immutable by Default mode.

Show HN: Yolobox – Run AI coding agents with full sudo without nuking home dir

https://opengraph.githubassets.com/00f12e5e38b09c30ee3c57e917e9d10a739c3e67c1c5b15d5aa860bfe98aa61e/finbarr/yolobox
To run AI coding agents in YOLO mode, install yolobox with curl or clone and build it, then use yolobox to run commands like yolobox run claude.

Ai, Japanese chimpanzee who counted and painted dies at 49

https://ichef.bbci.co.uk/news/480/cpsprodpb/5f22/live/067c0170-ef8e-11f0-8faf-09c6d7521940.jpg.webp
Ai, a 49-year-old chimpanzee known for her cognitive skills, died of old age and organ failure at a Japanese institute where she lived since 1977. She was a key subject in the Ai Project, a research program that studied her memory, learning, and creativity.

Reproducing DeepSeek's MHC: When Residual Connections Explode

https://taylorkolasinski.com/figures/v5_publication_summary.png
Transformers use a residual connection design since 2016, where one stream of information flows through the network with each layer adding to it. Hyper-Connections, a different approach, expands to n parallel streams but can amplify signals, leading to instability and potential collapse.

Launch a Debugging Terminal into GitHub Actions

https://blog.gripdev.xyz/2026/01/10/actions-terminal-on-failure-for-debugging/memory-usage.png
The user created a free and open-source way to get an interactive web terminal to a GitHub Action when it fails, using a Peer-to-Peer connection with WebRTC and OAuth/OIDC for authentication. The service is hosted on Railway, a cloud platform that only charges for actual CPU and memory usage, and uses a sleeping feature to reduce costs when the service is idle.

Personal thoughts/notes from working on Zootopia 2

https://blog.yiningkarlli.com/content/images/2025/Dec/zootopia2/NEST_003.jpg
Disney Animation's Zootopia 2 is the studio's 64th animated feature film, expanding the world of Zootopia with new characters and environments. The film's production involved significant technological advancements, including improved rendering and path guiding systems, to achieve its visually rich and detailed animation.

JRR Tolkien reads from The Hobbit for 30 Minutes (1952)

https://cdn8.openculture.com/2026/01/04220105/Screenshot-2026-01-04-at-10.01.48-PM-1024x603.png
Tolkien reads from The Hobbit in a 1952 recording, offering a unique perspective on his work. The recording is part of a longer session where he also read from The Lord of the Rings.

Computers that used to be human

In the past, a "Computer" referred to a human who performed calculations, often for taxes or other complex tasks. The term "Computer" was later replaced by electronic machines, but the original human Computers were skilled professionals, usually women, who used tools like lookup tables and slide rules.