4411
Nvidia Cosmos 3
Physical AI systems must understand the real world before they can act within it. Robots, autonomous vehicles, and smart spaces need to understand what’s happening in their world…
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 5,961 posts.
4412
Optimizing Top K in Postgres
How ParadeDB uses principles from search engines to optimize Postgres' Top K performance.
4413
Decoding the NEC V20 Microcode
reenigne's decoding of the 8088 microcode in 2020 opened the doors for extremely accurate emulation of the 8088 CPU. Although I had added...
4414
Superlogical
I authored 1 the announcement post on the Superlogical homepage , which describes the problem statement and what we're building. 2 Read that to learn more. This post is more of a personal statement about what led to this, how it relates to my recent work, and what comes next.
4415
To have a moral stance on AI is to be an outcast, and it sucks
I know the technology, I understand what it's doing and I know the impact, so I am vehemently anti-AI. I do not believe any positive out...
4416
I was a top 0.01% Cursor user, then switched to Claude Code 2.0
A comprehensive guide to Claude Code from someone who's been using coding AI since 2021. Learn the 5 pillars of agentic coding, custom commands, and advanced workflows.
4417
xAI, SpaceX, and the Race for AI Buildout
An artisanal, free range blog. GMO-free. Sincere always, expect for the rare occasion. No AI was used in the making of this site or its content.
4418
Stop sending me huge PRs; a rant
Micropayment-powered stories
4419
Meta Deployed AI and It Is Killing Our Agency
Managing millions in Meta ad spend, yet treated like we don't exist. An inside look at how Meta's AI-driven changes are disrupting agencies and advertiser performance.
4420
How GPT‑5.6 Sol helps run quantum computing experiments
See how an MIT researcher uses GPT-5.6 Sol with Codex to autonomously run quantum computing experiments, analyze results, and calibrate qubits.
4421
Why Book Corners won't sync contributions back to OpenStreetMap
I wanted Book Corners to contribute newly submitted public bookcases back to OpenStreetMap. After researching the operational and community requirements, I decided not to implement it.
4422
I hate you Microsoft
The rare moment when I need to open a powerpoint document is here. As usual, I have my institutional account logged into their “services”, because my university pays microslop something in the ballpark of hundreds of thousands of euros in contracts with this large software provider.
4423
The difference between "today's task" and "accretive work"
One thing I've learned about paradoxes: often the answer to the riddle of "how can this one thing have such a contradictory set of features and effects?" is "it's not one thing, it's two things*."
4424
What objective is reasoning solving?
Reasoning as pathfinding in token space.
4425
Book review: Is parallel programming hard, and, if so, what can you do about it?
Here are my thoughts on the free online textbook Is Parallel Programming Hard, And, If So, What Can You Do About It? by Paul E. McKenney, author of the Linux kernel’s RCU synchronization mechanism. I read a lot of this textbook, got my fill, and probably won’t read more of it in the near future so wanted to write this…
4426
VHDL's Crown Jewel
How VHDL preserves determinism In this post, I would like to talk about VHDL’s crown jewel: how it preserves determinism in a concurrent language. Here is a figure of how it works:
4427
Video CDs Break Windows Explorer
There is an odd bug in Windows related to Video CDs . To reproduce it: Insert a Video CD (if you don't have one, you can download this fi...
4428
Giant canyon on Mars is still tectonically active
Scientists at Columbia University and Imperial College London have found that the largest canyon system in the solar system is still active and shaping Mars today, billions of years after it first formed.
4429
Benchmark in Milliseconds
How long should a micro benchmark run? My rule of thumb is to tweak the input size until the benchmark takes about 300ms, for the following reasons:
4430
Sleeper Shells: Attackers Are Planting Dormant Backdoors in Ivanti EPMM
A February 2026 campaign used a internal JSP path and in-memory Java class loaders to quietly seed persistent access across Ivanti EPMM deployments - then walked away. We break down the tradecraft.
4431
What years of production-grade concurrency teaches us about building AI agents
Python and JavaScript/TypeScript AI frameworks are reinventing what telecom solved in 1986. What 40 years of production-grade concurrency teaches us about building AI agents.
4432
Differences Between `Foldl` and `Foldr`
`foldl` and `foldr` can be confusing, so let's work out what's up
4433
Human Bottlenecks
Why AI won't augment human capabilities much.
4434
Today I Rescued 7,234 Old GIFs
As Web standards have moved on, a particular 1990s library of GIFs has been hard to effectively archive and was at risk of being lost forever. So I swooped in, wrote some hacky code, and now a few thousand low-res images have been saved for posterity. Hurrah, I guess?
4435
Full Reverse Engineering of the TI-84 Plus Operating System
Evidence-indexed documentation of TI-84 Plus OS 2.55MP ROM behavior and hardware interfaces.
4436
Virtual Oxide Labs: Emulating a Full Oxide Rack
Oxide's approach to emulation, simulation, and tiny versions of big things.
4437
AI is going to kill app subscriptions
Curated niche app opportunities from Reddit, scored by difficulty and demand.
4438
Text AI watermarks will always be trivial to remove
The European Union AI Act will begin to be enforceable in August 2026, one month from now. One of the biggest new requirements is Article 50, which requires all…
4439
Self hosting my media library with Jellyfin and Wireguard on Hetzner
Self hosting my media library with Jellyfin & Wireguard on Hetzner
4440
Session is shutting down in 90 days
The Session Technology Foundation cannot continue without your support. Donate today to help Session in its fight for survival.