Jq cheatsheet
jq filter reference for selecting fields, filtering arrays with select, building objects, CSV and TSV output, shell variables, and editing JSON files.
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Meet The Void!
Deep Learning Weekly: Issue 480
Gemini 4 Carbon, How I Built the Most AI-Pilled Company in the World, a paper on Route Anything: A Study of Model and Policy Routing for General-Purpose AI Systems, and many more!
IBM, AMD, And Oak Ridge Unveil Quantum Error Correction Platform
Over the past few years, quantum computing companies have made remarkable strides in addressing the ...
Quantum systems typically now have gate error rates ranging from one error per 100 to 1,000 operations.
Sweden builds houses and apartments like Lego sets. Why don’t we?
Zara Larsson isn’t the only Swedish export America should be obsessed with.
Gradients
You're standing on perfectly flat ground in a million-dimensional loss landscape. No slope in any direction. Are you at the bottom - or on a saddle with an escape route hiding in dimension 847,293? The Hessian matrix answers this. The same second-derivative test that every LLM…
Usability 101: Introduction to Usability
What is usability? How, when, and where can you improve it? Why should you care? Jakob Nielsen defines key usability concepts - give to your boss or anyone else who doesn't have much time, but needs to know basic usability facts.
After printing 40,000 whistles, this is the 3D printer I’d buy
The Verge reviews the $649 Bambu P2S 3D printer with its AMS 2 Pro multi-material system.
Before You Run That Test, Check These 3 Things
Three pre-test checks that protect the validity of your statistical results and analysis.
A good starting point is to conduct a power analysis before collecting data.
low statistical power and unstable estimates
Saffron is the world's most expensive spice. Now this 'red gold' is in crisis in Kashmir
The ancient saffron tradition is being threatened by climate change, development and food fraud. Could India's coveted spice be disappearing?
The MIPS R2000: The Stanford RISC That Became the Textbook Pipeline
John Hennessy's students designed a processor with no pipeline interlocks and left the hazards to the compiler. The commercial version taped out just before Thanksgiving 1985 and came back working 17 days later.
The Secret Code of Pickup Basketball
The game presents a social problem: How does one find comity among a group of jostling strangers?
MCP Explained: how the Model Context Protocol works
Every MCP message on the wire, step by step. Transports, auth, tools, sampling, tasks, tool search and codemode. By Runlayer.
Awesome repositories are no longer awesome
Erik Gahner Larsen
How to take notes that actually help you learn | Psyche Guides
If you want to remember and understand, copying isn’t enough. An expert on learning shares how to make notes work for you
But in many situations, the most effective and efficient way to take notes is to treat them as a tool for learning:
SAS to R: Why R, and Where Your Migration Budget Should Go | R-bloggers
This post is part of our SAS to R series: Part 1: Is SAS still used, and is it worth keeping? Part 2: Why R, and where your migration budget should go (this post) Part 3: coming soon If you’re moving regulated analysis from SAS to R, two ...
jq Command: Process JSON from the Terminal
How to use the jq command to read, filter, and transform JSON on the command line, from selecting fields to building new objects and parsing API responses.
plays the same role for JSON that sed and awk play for plain text.
Filtering with select
The Rise, Fall and Rise of Curtis Malone, D.C. Basketball Power Broker
Curtis Malone ran a basketball powerhouse in Washington, D.C., before going to prison for drug dealing. Now he wants back in the game.
Skewness, Explained in 60 Seconds
Skewness measures how much a distribution leans to one side, and why that changes your analysis.
Picture a histogram of household incomes in a city.
A value near zero means roughly balanced. A positive value means the tail extends to the right. A negative value means the tail extends to the left.
Japan's Manhole Card Craze: Why Some Towns Are Halting the Giveaway
Japan's manhole cards, featuring colorful designs inspired by local landmarks, have captured the imagination of collectors nationwide.
How software engineering is changing: a tale of two eras
We invited readers to write about how building software changed, in an essay challenge. Many of you took part, and today we’re sharing the winning piece from a strong set of entries
Six Books You Should Read Twice
These titles’ twists and turns demand you take a second look.
How to Generate a Random Password or String in Linux
Generate random passwords and strings in Linux with openssl rand, /dev/urandom, pwgen, and Python. Choose hex, Base64, URL-safe tokens, or passphrases.
Euclidean, Spherical, and Projective Geometry
From Euclidean geometry to projective geometry, by way of spherical geometry.
West Virginia Radio Pitches Nine-Station Cluster To Rescue Struggling Stations.
West Virginia Radio wants to build a nine-station cluster in Morgantown, even though FCC rules allow just six. The broadcaster is seeking a waiver to take over programming of five financially struggling AJG Broadcasting stations, warning some could go dark without the deal. If…
Why kinship societies kill their old
The economic logic of modern-day witch killings
Hacker Books — books recommended in Hacker News comments
A bookshelf of the books Hacker News readers recommend most, 2006–2026.
A Beginner’s Guide to Philosophy: From Logic to Epistemology to Metaphysics
These are, perhaps, not the very best times for humanities majors. Seldom do we even hear the once-standard defense that, by pursuing a course of study in subjects of that kind, students 'learn how to think.' Such a justification still points to real value, at least in the most…
Montana’s plan to become an experimental medical hub just pushed forward
The state’s effort to expand the “right to try” is making headway, and the first drugs are about to be reviewed.
Prediction Markets Need Prestige Signals to Fulfill Their Mission
How to make forecasting more useful
Fish Bad, Sugar Good… And Other Medieval Ideas About Food
Although medieval ideas about food were very different to our own, its importance was widely recognized. According to Galen, food “is probably the most important of all medical subjects,” and it dominated medieval regimens—many of which consist almost entirely of…
What Is It Like to Be a Cucumber?
Biologist Michael Levin is working to prove that minds are hiding everywhere, from a plant to a scrap of skin to a single cell.
The Consequences of Caste in Village India
On the role of culture in economic life
Everybody in Almost Every Language Says “Huh”? HUH?!
What makes this utterance the “universal word”?
How Unboxing Elaborate Packages Became an American Pastime
American consumers can’t resist the lure of a well-designed container.
Peptides
Proponents of the peptide say it can treat gingivitis, runner’s knee, even dementia.
Why American ambulance rides are so expensive
The unfortunately botched economics of emergency care
If in doubt, delete the uv.lock file
I've been getting the occasional confusing Python dependency error since switching over to Python 3.15 and the rule I'm having to remember is: If in doubt, delete the uv.lock file …
Chat - Arrival
ChatGPT helps you get answers, find inspiration, and be more productive.
Why Tactical Decision Games Work
Why do TDGs — developed for the US Marine Corps — accelerate expertise? How do they do it, and why do they work so well?
For some Chinatown elderly, living alone has an upside: Chinatown
Yes, some seniors are lonely, but a surprising number elect to stay or even to return to rooms measuring little more than eight by 10 feet.
We’ve received our first response from the Project Suncatcher prototype satellite.
This week, we reached our "Hello World" milestone: the first-ever AI response from a data center class TPU in orbit.
Who sells buttons?
ChatGPT helps you get answers, find inspiration, and be more productive.
America Needs Explosives for Its Drones. This Startup Is Making Them.
Odin Energetics rebuilding supply chain that has withered in decades since World War II
Will Fiber-optic Cables Finally Get Made in Orbit? Maybe
Space-spun fiber works, but faces daunting practical obstacles
Because of these characteristics, ZBLAN has been touted as a potential route to achieving “repeaterless transoceanic transmission of light” in submarine telecommunication cables.
japanese matchbox labels
Thanks to Michael for sending me these matchbox labels. Collected by his Grandfather, the labels date around the 1920s-40s. I welcome any translations or instruction on which way round the labels should be! If you like these I would highly recommend the book "Matchbox Label…
The World of Playing Cards — A collaborative archive of playing cards and their makers.
The small rectangular pieces of cardboard have been a medium for games of luck and skill, as well as a focus for design, advertising, political propaganda, art, history and much more... a miniature encyclopedia of social anthropology
Banknote World
Banknote World is a collectible currency company located in Southern California. We take great pride in offering the highest quality banknotes and we take great care to maintain their condition, quality, and integrity. The quest for the perfect banknote begins with a trip by our…
Horror Films
Share your videos with friends, family, and the world
Lukas Flippo (@lukasflippo)
I went to West Virginia to photograph dancing in small towns after dark.