robertvc
SHA Algorithm Visualized
Re:Claude Sonnet 4.6
on Tuesday February 17, 2026 @08:25PM (#47055838)
Opus 4.6 cache reads cost $0.50/MTok.
Re:Lessons Learned Shipping 500 Units of My First Hardware Product
on Tuesday February 03, 2026 @06:33PM (#46878963)
Great post, I really want to see more stuff like this on HN. And congrats on shipping!
East Germany balloon escape
What to Do When the Trisector Comes (1983) [pdf]
Re:Pantograph: Building a Preschool for Robots
on Tuesday December 23, 2025 @09:26PM (#46371784)
Very cool. The dexterity of these grippers (and/or skill of the operators?) is better than I expected; the scissors and screwdriver demos were quite nice.
Matmul on Blackwell: Part 2 – Using Hardware Features to Optimize Matmul
Seedance 1.0: Exploring the Boundaries of Video Generation Models [pdf]
Eleven v3
S1
Node v24.0.0
Centrifugo v6 – Centrifugo is an open-source scalable real-time messaging server
Understanding Stein's Paradox (2021)
Patrick Collison's Bookshelf
A mostly complete guide to React rendering behavior (2020)
Understanding Stein's Paradox
Re:Metaphor Systems: A search engine based on generative AI
on Thursday November 10, 2022 @03:36PM (#33552931)
Congrats on launching! I found myself using this more than I expected in the closed beta. I used it most for opinionated prompts (e.g. "the PG essay I gave my parents to help them understand startups was..."), but also had some luck with finding content by its description (e.g. "I really like the intuitive explanation of [college math topic] at ...".