Designing a Lego orrery
Designing a Lego orrery - Personal blog about game development, programming and making
The latest blog posts to take off on Hacker News. 5,273 posts.
Designing a Lego orrery - Personal blog about game development, programming and making
how developmental biology might contain the secrets to life, intelligence, and immortality
A metascience post of sorts that argues we should take human capital more seriously
Many public address systems emit a continuous near-ultrasonic sound that is used for system health monitoring.
Introduction
Why is this economy so difficult to manage? The macro statistics are hiding the experience of being cheated.
Robert O'Callahan. Christian. Kiwi. Software guy. All content human-authored unless otherwise noted.
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The majority of US states have something called a "Department of Motor Vehicles," or DMV. Actually, the universality of the term "DMV" seems to be overstated. A more general term is "motor vehicle administrator," used for example by the American Association of Motor Vehicle Administrators to address the inconsistent…
What follows is the story of how I fixed not one, but two, different flawed Altera USB Blaster clone devices that never worked correctly after I bought them.
A new trial conducted by the University of Oxford reveals that sildenafil, commonly known as Viagra, enhances blood flow to the brain and improves the function of brain blood vessels in patients at a heightened risk of vascular dementia.
How character training cultivates traits like curiosity, open-mindedness, and thoughtfulness in Claude using a variant of Constitutional AI.
Don't test in production. Test in simulation!
One of the great strengths of strace as a debugging tool is that it shows you what a program is doing regardless of whether it was compiled with debug info or not. The downside of this is that you …
Event-driven architecture is great, but it can cause a lot of headaches if it is used for the wrong purpose.
Reflections on whatever I'm thinking about that week (the web, culture, computer graphics, math etc)
Using an odd floating point error to detect emulators
Like many bits of Internet Culture, this simple image of an empty series of rooms represents a deep-repressed or recently-remembered memory of a common Internet Legend, or it's just a shot of nothing. If the answer is that it's a shot of nothing, let's get you up to speed. This image floated around message boards
A look at some of the current thinking around chunking data for retrieval-augmented generation (RAG) systems.
Last week I noticed some unexpected assembly code in a function calling std::unordered_map::find (yes, I know, friends don’t let friends use STL, but that is a topic for another discussion). I decided to investigate a bit and it turned out to be quite a journey. It was a Clang compiler, ARM-based platform, I will use…
Fresh water from snow, at 70 below!
The Library Innovation Lab is growing knowledge and community by bringing library principles to technological frontiers.
Duck Hunt is considered a classic of the Nintendo Entertainment System. But surprisingly, the concept of hunting ducks did not originate in 1984– people have...
If an expert can't understand your explanation, you've dumbed it down too much!
ISO/IEC 60601-1-8, Patterson and other alarms in medical equipment Sample Alarm Sounds - Sirens, buzzers and other sounds
How to kill off a top source of browser exploits
Uber connects the physical and digital worlds to help make movement happen at the tap of a button. Billions of trips, deliveries, and tens of billions of financial transactions across earners, spenders, and merchants are made at Uber every quarter. LedgerStore is an immutable storage solution at Uber that provides…
Here’s a fact: GPT-4o charges 170 tokens to process each 512x512 tile used in high-res mode. At ~0.75 tokens/word, this suggests a picture is worth about 227 words—only a factor of four off from the traditional saying. (There’s also an 85 tokens charge for a low-res ‘master thumbnail’ of each picture and higher…