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Show HN: A PWA that destroys itself if you touch your phone for one hour

https://thesquare.is/
1•arc_light•1h ago
In 1915 Malevich painted a black square and called it the zero point of art. Everything decorative, everything unnecessary — eliminated. Someone needed to do the same thing to the smartphone.

The Square is that attempt.

It's a PWA. You install it, pick a daily time, and when the notification arrives your screen becomes a black square with a timer. For one hour you don't touch the phone. If you switch apps or close the screen, the session ends. You try again tomorrow.

No account. No email. No data collected. Anonymous by design.

Whether this is useful or pretentious is up to you.

thesquare.is

The M×N problem of tool calling and open-source models

https://www.thetypicalset.com/blog/grammar-parser-maintenance-contract
1•remilouf•1m ago•0 comments

Show HN: AI agents are bad at API integrations – we fixed it

https://www.apimatic.io/product/context-plugins/showcase
1•sohaibtariq•1m ago•0 comments

A Server That Forgets: Exploring Stateless Relays

https://blog.torproject.org/exploring-stateless-relays/
1•ahlCVA•2m ago•0 comments

Study: Google's AI Overviews show wrong answers every hour

https://www.popsci.com/technology/ai-overview-inaccuracy-google/
1•Brajeshwar•2m ago•0 comments

'Snoopy', 'Adolf' and 'Password': The Hungarian Government Passwords Exposed

https://www.bellingcat.com/news/2026/04/09/the-hungarian-government-passwords-exposed-online/
1•lschueller•3m ago•0 comments

Pipeline Architecture System Design

https://dvcoolarun.com/2026/04/09/Pipeline-architecture-system-design.html
1•dvcoolarun•3m ago•0 comments

Need Advice. Should I Give Up My CS Degree in the Last Semester?

1•jornbess•3m ago•0 comments

AI Code Security Scanner – static analysis for 14 languages, OWASP Top

https://github.com/astro717/ai-code-security-scanner
1•astro717•3m ago•0 comments

Using AI in Blogging

https://cagrimmett.com/2026/02/16/on-using-ai-in-blogging/
1•speckx•4m ago•0 comments

Real Time Tide Data Novaa

https://tidesandcurrents.noaa.gov/map/
1•prakashqwerty•4m ago•0 comments

A complete GPT language model in ~600 lines of C#, zero dependencies

https://github.com/milanm/AutoGrad-Engine
1•evo_9•4m ago•0 comments

What to Do with Your Extra Tokens

https://www.johnbhiggins.com/writing/extra-tokens
1•jhiggins777•5m ago•1 comments

Adam Back: I'm not Satoshi

https://twitter.com/adam3us/status/2041811857732768148
2•wslh•6m ago•0 comments

Uncharted island will soon appear on nautical charts

https://phys.org/news/2026-04-uncharted-island-nautical.html
1•pseudolus•7m ago•0 comments

Legos vs. 3D Printers

https://koaning.io/posts/legos-vs-3d-printers/
1•sebg•8m ago•0 comments

Show HN: MCP Gateway – Zero-Trust Access to MCP Tool Servers

https://github.com/openziti/mcp-gateway
2•michaelquigley•8m ago•0 comments

The Model Says Walk: How Surface Heuristics Override LLM Reasoning Constraints

https://arxiv.org/abs/2603.29025
1•timssopomo•8m ago•0 comments

Family files lawsuit after man dies in care of telehealth ICU doctor

https://www.cnn.com/2026/04/09/health/telehealth-icu-conor-hylton
1•SilverElfin•8m ago•0 comments

Agent Sandboxes Are So Hot Right Now: 19 Providers Compared

https://engine.build/lab/agent-sandboxes
1•alasano•8m ago•1 comments

Cassidy Williams on Technical Blogging

https://writethatblog.substack.com/p/cassidy-williams-on-technical-blogging
1•mooreds•9m ago•0 comments

How to End American Power [video]

https://www.youtube.com/watch?v=0Vo_fVDRnzY
1•mooreds•9m ago•0 comments

How AI Can, and Can't, Cure Cancer

https://curecancer.ai/
1•profchemai•10m ago•1 comments

Repurposed Nvidia RT Cores for LLM routing (218x speedup)

https://github.com/JordiSilvestre/Spectral-AI
1•Jordisilvestre•10m ago•0 comments

MIT16.485 – Visual Navigation for Autonomous Vehicles

https://vnav.mit.edu/
1•sebg•10m ago•0 comments

We orchestrate our internal AI agent (PydanticAI, Gemini, Jinja2 prompts)

https://merylldindin.com/thoughts/reasoning-loop/
1•meryll_dindin•12m ago•0 comments

Mass drowning of chicks puts emperor penguins at risk of extinction

https://www.theguardian.com/environment/2026/apr/09/mass-drowning-of-chicks-puts-emperor-penguins...
1•ljf•12m ago•0 comments

Banksy, Satoshi and the Unmasking Impulse

https://om.co/2026/04/08/banksy-satoshi-the-unmasking-impulse/
1•tomaskafka•12m ago•0 comments

Pentagon Threatened the Pope After He Criticized Trump

https://newrepublic.com/post/208820/pentagon-threatened-pope-criticized-donald-trump
1•sleepyguy•14m ago•0 comments

Retina monitor explorer

https://retinadisplays.com/
2•Amorymeltzer•15m ago•0 comments

Justice Department Opens Investigation into NFL

https://www.wsj.com/sports/football/nfl-investigation-justice-department-8835a936
1•mudil•15m ago•0 comments