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.

Postal Arbitrage

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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.

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 Cray-1 Computer System (1977) [pdf]

The CRAY-1 Computer System is a large-scale digital computer with vector and scalar processing capabilities. It executes over 80 million floating point operations per second.

'I rarely get outside': scientists ditch fieldwork in the age of AI

https://media.nature.com/w767/magazine-assets/d41586-025-04150-w/d41586-025-04150-w_51839810.jpg
Ecologists are increasingly relying on computer-based methods and AI to analyze data from digitized specimens, sensors, and other sources, but some worry this shift is leading to a decline in field experience and intimacy with nature. The use of AI and automation in ecology is creating new opportunities for understanding biodiversity and global change, but also raises concerns about error, ...

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.

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

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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

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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 ...

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.

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.

Perlsecret – Perl secret operators and constants

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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.

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

Google removes AI health summaries after investigation finds dangerous flaws

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Google removed some health summaries after a Guardian investigation found false and misleading information. The AI Overviews still contain potentially harmful answers for certain queries despite the removals.

Apple picks Google's Gemini to power Siri

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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.

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.

What old tennis players teach us (2017)

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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.

Tell HN: DigitalOcean's managed services broke each other after update

DigitalOcean's managed PostgreSQL update caused a Cilium bug, breaking private VPC connectivity to managed Kubernetes. Managed services don't eliminate ops emergencies, just shift failure modes from yours to the vendor's.

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.

Ai, Japanese chimpanzee who counted and painted dies at 49

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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.

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.

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.
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The user discusses the importance of link maintenance and improving 404 error pages to provide useful information to users when links break, citing GitHub as an example of a website that can do better. The user proposes that websites should aim to prevent links from breaking in the first place and suggests an automated link checking service called Relink to help with this task.

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.

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.

Using DistributedDataParallel to train a base model from scratch in the cloud

https://www.gilesthomas.com/images/x-icon.png
I'm carrying on with my "extra credit" projects after finishing the main body of Sebastian Raschka's book "Build a Large Language Model (from Scratch)". Having proven that I could train a GPT-2 small scale base model from scratch on my RTX 3090 in 48 hours, I wanted to try training it on a multi-GPU machine on Lambda Labs. There are two benefits I see in doing that: I ...

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.

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.