Tmp.0ut, Vol. 5

Playa Phone

A working phone booth on a dusty street corner at Burning Man.

Show HN: Laser Graffiti

Point a projector and a webcam at a wall, draw with a laser pointer, and the projector paints your strokes. Open source, runs in the browser.

ravynOS: Pre-alpha open-source OS based on Darwin, FreeBSD, Apple open-source

An open-source operating system based on Darwin and FreeBSD that aims to be compatible with macOS applications.

I turned my security cameras into an automatic bird identification system

I turned three security cameras into an automatic bird identification system using BirdNet-Go. Now my wife and I can track every bird species that visits our yard in real-time.

Smartphone LED detects hidden cameras with AI

Smartphone LED and AI Detect Hidden Cameras KAISTs SweepLED achieves 94% accuracy with 10,000 won LED device A technology has been developed to detect

Internet centralization and the original sin of NAT

C++26: Standard Library Hardening Experiments

“Hardening” seems to be a very popular term in the C++ World in 2026. In this article we’ll explore what this word means and see some core examples. Can a hardened library make C++ fully safe? Let’s find out. The Core Idea   When you learned about std::vector you may remember that you can access an element at the i-th position using at least two expressions:

'Mad honey' that can stop your heart is being sold online

A few months ago, a friend of mine told me that his father-in-law had been rushed to the hospital after eating some wild honey brought back from the hills of Nepal.

Euphemisation of Taboo Areas [pdf]

Reverse engineering my ADHD test

I decided to get evaluated for ADHD. Curiousity struck, and I had the bright idea to capture the page source and any outbound requests.

Apple caught off guard by AI demand for Mac Mini and Mac Studio

Apple's unusually timed announcement of new Mac mini and Mac Studio models this week was driven by unexpectedly strong enterprise appetite for AI hardware, according to The Information. Apple normally releases new Mac models in the autumn, closer to October or November, making this week's announcement unusually early, falling just before the anticipated arrival of new iPhone models. The Information says that the AI-driven boom in Mac Studio and Mac mini sales is behind the early launch.

Show HN: Corporate Mind Games – logic puzzles with a sarcastic corporate theme

Satirical office puzzle games: Plan The Roadmap, Modernize The Org Chart, Prep Office For RTO, and Finish The Presentation. Free daily challenges, no account required.

Dwarf Fortress is getting the mother of all magic updates

Infamously simulation-heavy colony builder Dwarf Fortress is getting a Myth and Magic update later in 2026 that generates a sorcery system to fit your world.

I think the military commissary's freezers were hacked

The frozen pizza aisle has become the national security risk du jour

Show HN: We built the smallest dual-band aircraft tracker

ChatGPT Work Tool and Skill Reference

A complete reference to the tools and full skill definitions available in this Codex Work session.

A walkable ASCII cyberpunk city in one HTML file [video]

Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube.

Terence Tao explains 6 essential mathematical concepts [video]

Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube.