Show HN: Terminal Phone – E2EE Walkie Talkie from the Command Line

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GitLab.com

Google API keys weren't secrets, but then Gemini changed the rules

https://framerusercontent.com/images/oFLh01kYhwzmLTqmgBAgUlN94.png
Google's API keys, initially intended for public services like Maps, can now access sensitive Gemini endpoints without warning. This allows attackers to access private data and charge LLM-usage to affected accounts.

Jimi Hendrix was a systems engineer

https://spectrum.ieee.org/media-library/an-electric-guitar-connected-to-a-number-of-effects-pedals-connect-to-an-amplifier-and-loudspeaker-stack.png?id=64983431&width=1200&height=1021
Jimi Hendrix created groundbreaking sound using a modular analog signal chain with pedals and a Marshall amplifier. He used a systematic approach to manipulate the nonlinear complexities of the system for maximum expression.

Show HN: Agent Swarm – Multi-agent self-learning teams (OSS)

https://raw.githubusercontent.com/desplega-ai/agent-swarm/main/assets/agent-swarm.png
Agent Swarm lets you run a team of AI coding agents that coordinate autonomously. A lead agent receives tasks (from you, Slack, or GitHub), breaks them down, and delegates to worker agents running in Docker containers. Workers execute tasks, report progress, and ship code — all without manual intervention. Docker isolation — Each worker runs in its own container with a full dev environment ...

Tell HN: YC companies scrape GitHub activity, send spam emails to users

User received unsolicited marketing emails from companies scraping their Github activity, likely using commit metadata. They have contacted Github and YC Ethics about the issue.

The Physics and Economics of Moving 44 Tonnes at 56mph

Trucks are limited by physics and economics, with speed limits, weight constraints, and energy density issues making alternative powertrains challenging. Incremental improvements like aerodynamics, automated transmissions, and driver training can compound to make a difference in truck fuel economy and emissions.

Hightouch (YC S19) Is Hiring

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Hightouch is a fast-paced startup that values innovation, kindness, and exceptional talent. It offers competitive compensation, equity, and benefits to support employees' growth and well-being.

How will OpenAI compete?

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OpenAI faces challenges in maintaining a competitive lead in AI due to the rapid development of similar models by other companies. The company's user base is large but has limited engagement and is fragile.

You Want to Visit the UK? You Better Have a Google Play or App Store Account

https://www.heltweg.org/posts/you-want-to-visit-the-uk-you-better-have-a-google-play-or-app-store-account/index.png
The UK is enforcing new immigration rules requiring an Electronic Travel Authorisation (ETA) for 85 countries starting February 2026. To apply online without the official app, visit the Request a UK ETA Online page.

Technical Excellence Is Not Enough

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Organizations prioritize comfort over correctness due to structural issues, not communication problems. Fixing things creates disruption, but ignoring issues leads to invisible problems until they break.

Banned in California

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General Dynamics NASSCO in San Diego is a unique shipyard capable of building large naval vessels due to its grandfathered status. Its closure would be impossible to replace due to stringent environmental regulations and complex manufacturing processes involved.

Men in their 50s may be aging faster due to toxic 'forever chemicals'

https://media.cnn.com/api/v1/images/stellar/prod/gettyimages-2166873058.jpg?c=original&q=w_1041,c_fill
A new study found that PFAS exposure accelerates aging in men aged 50-65, with weaker associations in younger men and women. Reducing PFAS exposure through certified water filters and minimizing contact with stain-resistant materials may be reasonable steps to reduce risk.

First Website (1992)

http://info.cern.ch - home of the first website

Windows 11 Notepad to support Markdown

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Windows Insiders receive Notepad and Paint updates with new features including Markdown support, a Notepad welcome experience, and AI-powered coloring book in Paint. Users can provide feedback in the Feedback Hub under Apps > Notepad or Apps > Paint.

Making MCP cheaper via CLI

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MCP overcharges by dumping entire tool catalogs upfront, while CLI and Anthropic's Tool Search use lazy loading to reduce costs. CLI is cheaper and works with any model, while Tool Search is Anthropic-only and more expensive.

Artist who “paints” portraits on glass by hitting it with a hammer

https://images.squarespace-cdn.com/content/v1/68484e264756030bdfc083dc/a9c8bacf-3583-47fc-b582-f6d019f3bc6a/LogoSB-Schrift.png?format=1500w
Simon Berger uses a hammer to crack and strike glass, creating unique sculptures that explore material depth and transparency. His artistic journey began with painting and carpentry, leading to glasswork inspired by car windshields and human faces.

Bus stop balancing is fast, cheap, and effective

https://worksinprogress.co/wip-image/uploads/2026/01/bus-stop-spacingv-926x1024.png
Buses in the US have close stop spacing, slowing them down and reducing ridership. Optimizing stop spacing can speed up buses, increase ridership, and save resources.

Large-Scale Online Deanonymization with LLMs

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Researchers used LLMs to identify individuals from anonymous online posts with high precision, posing significant privacy concerns. To mitigate this, platforms should restrict data access and LLM providers should implement stronger safety guardrails.

Out of Light Adjust Share: Caravaggio, La Tour, and the Art of Attention

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The author reflects on their experience living in Rome, where they were deeply influenced by Caravaggio's use of light in his paintings. They also visit an exhibition of Georges de La Tour's work, which highlights the artist's use of candlelight to create a sense of intimacy and reverence.

RAM now represents 35 percent of bill of materials for HP PCs

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HP's CFO said RAM costs have risen 100 percent and now account for 35 percent of PC bill of materials due to a memory shortage. HP is raising PC prices and offering lower RAM specs to meet demand without depleting its limited memory supply.

Show HN: Respectify – A comment moderator that teaches people to argue better

https://respectify.org/_astro/respectify-handshake.DHYPsRie.svg
Respectify is a tool that teaches users why their comments are wrong and lets them edit before posting. It promotes a respectful community by filtering out negative comments and highlighting positive ones.

The First Fully General Computer Action Model

https://si.inc/fdm1/recipe_overview.webp
We designed FDM-1, a computer use model that can learn unsupervised from the internet and train on 11 million hours of video data. FDM-1 is the first model to scale computer action models with long-context training and can perform tasks like CAD and driving a car.

Writers and Their Day Jobs

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Herman Melville and the author worked as U.S. Customs Inspectors and postal workers, respectively, to support their writing careers. Many writers have had unrelated day jobs, finding inspiration in their work and blurring the line between labor and vocation.

A 26-Gram Butterfly-Inspired Robot Achieving Autonomous Tailless Flight

https://arxiv.org/static/browse/0.3.4/images/arxiv-logo-fb.png
Researchers developed AirPulse, a 26-gram FWMAV with onboard control, replicating butterfly flight traits. It achieves stable flight via wingstroke asymmetry and attitude control, marking a foundational platform for lightweight aerial robots.

Tech companies shouldn't be bullied into doing surveillance

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The US government is pressuring Anthropic to allow their AI technology to be used in surveillance and autonomous weapons, despite the company's public stance against these uses. Anthropic should stand firm and refuse to compromise their principles, as public and corporate expectations are for them to uphold their stated values.

The Om Programming Language

https://www.om-language.com/operator.png
The Om language is a proof of concept at an early stage, requiring additional operations and optimizations before it can be useful. It is a concatenative language with prefix notation, using a unique panmorphic type system where all data values are represented as operands.

Show HN: Modern Reimplementation of the Speck Molecule Renderer

https://raw.githubusercontent.com/vangelov/modern-speck/main/screenshot.png
This project is a modernized reimplementation of the original Speck molecule renderer created by Rye Terrell. Runs the app in the development mode. Open http://127.0.0.1:5173/ to view it in the browser.

Dissecting the CPU-memory relationship in garbage collection (OpenJDK 26)

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The traditional pause time metric for measuring garbage collection (GC) performance is no longer sufficient due to the increasing complexity of modern GC algorithms and the decoupling of pause time from machine resources. A new Java API and unified logging mechanism in OpenJDK 26 provide a precise and internal accounting of the collector's work, enabling developers to understand the ...

What Pressure Does to an Athlete's Body

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Pressure is a real physical force that can paralyze athletes, but some, like Mikaela Shiffrin, learn to overcome it. By understanding their body's chemical reactions and using techniques like meditation and breathing, athletes can achieve clutch performances under pressure.

An autopsy of AI-generated 3D slop

https://aircada.com/_next/image?url=%2F_next%2Fstatic%2Fmedia%2Fai-made-grip-sticker-zoom.aaa5ce6b.png&w=3840&q=75
AI-generated 3D models are flawed with wobbly silhouettes, illegible text, and poor UV maps. They lack structure and require manual editing, making them impractical for e-commerce product configurators.