A complex structure on S^6 [pdf]
We haven't written up this one. Hacker News has the full story — the link below goes straight to it.
More in Tech
Why I Built an Ad-Free Alternative to Untappd
I've used Untappd for years to log the beers I drink. It works. It also drives me a little crazy every time I open it. Between the ads wedged into my feed, the check-in pressure that makes logging a…
- Author created HopLog as ad-free alternative to Untappd
- Inspired by Letterboxd's user-friendly design
- HopLog launched at hoplog-web.vercel.app for preview
I flipped one toggle in Google Keep; it solved my cluttered note problem
Pairing Gemini with Google Keep makes it easy to abandon complex productivity apps
5 Watch Rings You Can Actually Buy If a Wristwatch Suddenly Feels Too Ordinary
A wristwatch already solves the problem of checking the time without pulling out your phone, but after decades of round cases, steel bracelets, resin straps, and smartwatch screens, even a good watch…
The Terminal Tab Problem Codex Finally Solved for Multi-Agent Work
How the Agents Dashboard and codex queue turn multiple AI coding sessions into one manageable workflow.
Catch MCP Tool-Poisoning and Prompt-Injection Regressions on Every PR (GitHub Actions + pre-commit)
A working walkthrough of wiring sentinel-scan-cli into GitHub Actions and pre-commit as a CI gate that actually fails the build, including a gap I found in the CLI itself and the fix for it.
Every hole in the gate is signed
A routine commit in my hub repo tripped the content screen last week on text that had been fine for weeks. The screen is the pre-commit door that refuses anything matching my leak patterns, and the…