The paper computer

The user wants to combine physical and virtual worlds to reduce screen time and distractions, allowing for flexibility and convenience. They envision a future where technology helps people work and interact without constant screen interaction.

Cybersecurity looks like proof of work now

https://www.dbreunig.com/img/the_last_ones_chart.png
Anthropic's Mythos LLM is highly capable at computer security tasks, completing a simulated corporate network attack in 3 out of 10 attempts. Security may be reduced to a simple equation of spending more tokens than attackers to harden a system.

I made a terminal pager

https://theleo.zone/posts/pager/img/kl_startup.jpg
The user built a reusable viewport component in Go for text navigation in terminal applications and used it to create a terminal pager called lore, which they now daily drive as their terminal pager. The viewport component supports features like text wrapping, search, and selection, and is designed to be performant even with large amounts of text.

ChatGPT for Excel

https://images.ctfassets.net/8su2tbn87fck/6CNFYV7SIINBJWId40sp6z/fe05ef70d3a71a2c543bdad6de147bcd/Hero_-_Excel_only_-_V3.jpg?q=90&fm=webp
Ask ChatGPT to build full spreadsheets, get insights across tabs and formulas, and update workbooks in real time so projects move forward faster. Available globally for ChatGPT Business, Enterprise, Edu, Teachers, and K-12 users, and for ChatGPT Pro and Plus users outside the EU.

Stealth signals are bypassing Iran’s internet blackout

https://spectrum.ieee.org/media-library/a-photo-collage-of-a-woman-in-a-hijab-protests-in-iran-a-satellite-satellite-dishes-and-the-words-you-are-not-connected-to-t.png?id=65521125&width=1200&height=1609
Iran imposed a near-total communications shutdown in January 2026, cutting off 90 million people from the world and each other. Toosheh, a satellite-based system, delivered real-time updates and uncensored news to Iran during the blackout, providing a lifeline to those starved of trusted information.

Google broke its promise to me – now ICE has my data

https://www.eff.org/files/2026/04/09/d4d89898-c31f-4f0f-9383-ea14bc0b1005.png
Google handed over Amandla Thomas-Johnson's data to ICE without notifying him, breaking a nearly decade-long promise to users. The Electronic Frontier Foundation has asked California and New York Attorneys General to investigate Google for deceptive trade practices.

God sleeps in the minerals

https://wchambliss.wordpress.com/wp-content/uploads/2026/03/img_3950.jpeg?w=3024
User visited the Unearthed: Raw Beauty exhibition at the Natural History Museum of Los Angeles County and shared a snapshot. The exhibition's title "God Sleeps in the Minerals" is a poetic expression of the beauty of minerals.

Cal.com is going closed source

https://i.ytimg.com/vi_webp/JYEPLpgCRck/sddefault.webp
Cal.com is moving to closed source due to increasing security risks from AI-powered vulnerability scanning. They're releasing a modified open source version, Cal.diy, under the MIT license for developers and hobbyists.

The buns in McDonald's Japan's burger photos are all slightly askew

McDonald's Japan website has limited allergen information in Japanese, covering 28 ingredients. English menus and ordering are available through their app and some restaurant locations.

Retrofitting JIT Compilers into C Interpreters

yk is a system that automatically converts C interpreters into JIT compiling Virtual Machines with minimal code changes, offering better performance while retaining full compatibility with reference implementations. yk uses meta-tracing to record and optimise the interpreter's actions, allowing it to inline code and achieve significant performance improvements with minimal manual effort.

PiCore - Raspberry Pi Port of Tiny Core Linux

piCore is a Raspberry Pi port of Tiny Core Linux, a customizable system with a small footprint and recent kernel. It runs entirely in RAM and offers flexibility and community support.

Introduction to spherical harmonics for graphics programmers

https://gpfault.net/assets/post-img/sph/sh.png
Spherical harmonics are a set of special polynomials that can be used to approximate any continuous function defined on a sphere. They are an orthonormal basis for the space of continuous functions on a sphere, meaning that any function can be expressed as an infinite weighted sum of spherical harmonics.

Live Nation illegally monopolized ticketing market, jury finds

Bloomberg delivers business and financial information worldwide. A New York jury found Live Nation Entertainment illegally monopolized the live events industry.

YouTube users get option to set their Shorts time limit to zero minutes

https://platform.theverge.com/wp-content/uploads/sites/2/2025/10/STEVIE_BONIFIELD_BLURPLE.jpg?quality=90&strip=all&crop=0%2C0%2C100%2C100&w=2400
YouTube users can now set Shorts time limit to zero minutes, effectively removing them from the app. This feature is available for all users, including parents and adults, to control their Shorts viewing time.

A Mercury Rover Could Explore the Planet by Sticking to the Terminator

https://www.universetoday.com/article_images/Mercury_profile_MDIS_MESSENGER_20260408_210727.jpg
A research team proposes a Mercury lander mission to study the planet's unique geological features, addressing unanswered questions about its formation, volcanic history, and tectonic evolution. The rover would stay ahead of the Sun in the Terminator region, using solar power and navigating through the temperate zone.

Show HN: Hiraeth – AWS Emulator

https://raw.githubusercontent.com/SethPyle376/hiraeth/main/docs/assets/hiraeth-web-ui.png
Hiraeth is a local AWS emulator focused on fast integration testing. The first release target is SQS: signed AWS SDK requests go through a local HTTP endpoint, state is stored in SQLite, and an optional web UI exposes the local emulator state for debugging. This project is early. It is intended for local development and test environments, not as a production AWS replacement. aws ...

Anna's Archive loses $322M Spotify piracy case without a fight

https://torrentfreak.com/images/spotify-logo-1-600x279.png
Anna's Archive, a shadow library, was sued by Spotify and major labels for copyright infringement after backing up Spotify data. A US judge awarded $322 million in damages and a permanent injunction to shut down the site's domains.

US v. Heppner (S.D.N.Y. 2026) no attorney-client privilege for AI chats [pdf]

Intel Xpress Resurrection: Reviving a Forgotten EISA Beast

https://x86.fr/wp-content/uploads/2026/04/xpress-01c-1200x541.jpg
The user restored an Intel Xpress Desktop computer from the early 1990s, featuring a unique EISA motherboard and modular CPU boards. They upgraded the system with various EISA cards, including a VGA card, network card, and SCSI host adapter, and successfully installed MS-DOS and Windows for Workgroups.

A Better Ludum Dare; Or, How to Ruin a Legacy

The Gemini app is now on Mac

https://storage.googleapis.com/gweb-uniblog-publish-prod/images/March_2026_AI_Recap_social_hvvlAc.width-300.format-webp.webp
Gemini app now available on macOS as a native desktop experience, allowing users to get help instantly with a keyboard shortcut. The app brings AI assistance to users' work, enabling them to share screens, generate content, and more.

Hacker News CLI (2014)

https://pythonhosted.org/hackernews-cli/_static/hn_hat.png
The HackerNews CLI provides options to view stories, comments, and go to specific stories. It supports sorting and limiting the number of top stories shown.

CRISPR takes important step toward silencing Down syndrome’s extra chromosome

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PBS Nova: Terror in Space (1998)

https://www.pbs.org/wgbh/nova/mir/images/mirhomeimage.jpeg
The NOVA program "Terror in Space" explores the Russian Space Station Mir's crash in 2001 and the International Space Station's construction. The website offers interactive features, Q&A sessions, and historical space-related accidents.

Adaptional (YC S25) is hiring AI engineers

Adaptional is building AI for insurance, aiming to replace manual data entry and outdated software with a modern platform. As a founding engineer, you'll build AI agents, work with top insurance companies, and solve complex problems in a highly regulated industry.

Agent - Native Mac OS X coding ide/harness

https://private-user-images.githubusercontent.com/52664524/571037061-7a452184-6b31-49fa-9b24-d450d2889f66.png?jwt=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJpc3MiOiJnaXRodWIuY29tIiwiYXVkIjoicmF3LmdpdGh1YnVzZXJjb250ZW50LmNvbSIsImtleSI6ImtleTUiLCJleHAiOjE3NzYzMDg5MDUsIm5iZiI6MTc3NjMwODYwNSwicGF0aCI6Ii81MjY2NDUyNC81NzEwMzcwNjEtN2E0NTIxODQtNmIzMS00OWZhLTliMjQtZDQ1MGQyODg5ZjY2LnBuZz9YLUFtei1BbGdvcml0aG09QVdTNC1ITUFDLVNIQTI1NiZYLUFtei1DcmVkZW50aWFsPUFLSUFWQ09EWUxTQTUzUFFLNFpBJTJGMjAyNjA0MTYlMkZ1cy1lYXN0LTElMkZzMyUyRmF3czRfcmVxdWVzdCZYLUFtei1EYXRlPTIwMjYwNDE2VDAzMDMyNVomWC1BbXotRXhwaXJlcz0zMDAmWC1BbXotU2lnbmF0dXJlPThiNGRkZmRiYjgwMjg5NjNiYzhlZTkzZjdkNDUzMDU0NzBiNTQ4MmRlZWYzNTBmYzdjMWVhOThmZjVhYTQwZjQmWC1BbXotU2lnbmVkSGVhZGVycz1ob3N0JnJlc3BvbnNlLWNvbnRlbnQtdHlwZT1pbWFnZSUyRnBuZyJ9.YIm-8wsc4u7SkeVYVy6hSkPZLeeSah6AINfsTxUEtJE
Agent! is a free macOS app that uses AI to automate tasks, control apps, and build code without requiring coding knowledge. It supports 17 LLM providers, including Apple Intelligence, and offers features like hotword-anchored dictation, built-in Xcode integration, and secure file management.

Do you even need a database?

https://www.dbpro.app/_next/image?url=%2Fdashboard-hero.webp&w=3840&q=75
The author tested three approaches to handle database lookups: in-memory map, binary search on disk, and SQLite, and found that the in-memory map handles ~97k req/s, binary search on disk handles ~40k req/s, and SQLite handles ~25k req/s. The author concludes that for most applications, especially early-stage ones, a database might not be necessary yet, but as the application grows, a ...

Ohio prison inmates 'built computers and hid them in ceiling' (2017)

https://ichef.bbci.co.uk/ace/standard/976/cpsprodpb/95D7/production/_95595383_ohio1.jpg
Two Ohio inmates built computers from dismantled PCs in a prison work programme, accessing internet and storing illicit data. The discovery was made after unusual internet activity was flagged, leading to the finding of two PCs hidden in the prison ceiling.

Ask HN: Who is using OpenClaw?

User has mixed feelings about OpenClaw, using it for a specific workflow but criticizing its execution and security. They think it's overhyped and most people can DIY the tasks it performs.

Arguing with Agents

The user had a frustrating experience with a language model that misinterpreted their rules and attributed emotional states to them, which they realized was due to the model's training data and design, specifically the reinforcement learning from human feedback (RLHF) that rewards human-sounding explanations. The user learned to stop engaging with the model's confabulations and instead treat ...