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Jason Kottke

How Edo (Tokyo) transformed from a city on the brink of...

How Edo (Tokyo) transformed from a city on the brink of ecological collapse 400 years ago to “one of the most sustainable and efficient cities in history”.

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Jason Kottke

Printing Films is a collection of vintage films that...

Printing Films is a collection of vintage films that showcase the technologies and processes of printing, journalism, and typography.

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Jason Kottke

Why don’t filmmakers just film on location instead...

Why don’t filmmakers just film on location instead of using visual effects? Lots of reasons, including not disrupting communities, control of weather & sun position, or can’t get permission.

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xkcd.com Valid

Dinosaurs And Non-Dinosaurs

Staplers are actually in Pseudosuchia, making them more closely related to crocodiles than to dinosaurs.

Simon Willison's Weblog Supports Webmention

An Update on Heroku

An Update on Heroku An ominous headline to see on the official Heroku blog and yes, it's bad news. Today, Heroku is transitioning to a sustaining engineering model focused on stability, security, reliability, and support. Heroku remains an actively supported, production-rea...

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Jason Kottke

Dan Sinker writes about the transformative experience of...

Dan Sinker writes about the transformative experience of seeing a work by Jenny Holzer when he was 14. “Truisms was a revelation. Art could be just words. Art could be just at home slapped on a POST NO BILLS wall as it could in a gallery.”

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Jason Kottke

“How did medieval French handwriting become...

“How did medieval French handwriting become ‘the Nazi font?’ And why did Hitler make it illegal?” TIL that Hitler gave a speech to the Reichstag about how much he disliked blackletter fonts.

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Dan’s Polaroids

06.02.2026

Handlebars of a holland bike. In the background a path with
      vegetation on both sides and a motorhome on the left.
Cycling in the rain. And the Polaroid got messed up in my pocket.

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Jason Kottke

Do you remember Oddpost? It was an early email web app...

Do you remember Oddpost? It was an early email web app that used dynamic HTML to mimic the design and functionality of a desktop mail app, 2 years before Gmail launched.

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Jason Kottke

Tinder Hasn’t Worked, So I’m Putting Myself...

Tinder Hasn’t Worked, So I’m Putting Myself on Zillow. “I realize that my late-’80s construction might not land me in the “trending” section right away…”

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Radiolab Updates instantly via WebSub
• WNYC Studios

Kleptotherms

44:45
In this episode, we break the thermometer and watch the mercury spill out as we discover that temperature is far stranger than it seems. We first ran this episode in 2021: Five stories that run the gamut from snakes to stars. We start out underwater, with a species of snake ...

Dan’s Polaroids

05.02.2026

A woman on a latter behind a fence with a camera in hand,
      looking into the camera.
I was photographed today.

Dan’s Polaroids

04.02.2026

The three men of Forkalyst sitting on a sofa. With beer cans in
      hand.
Wednesdays

Global News Podcast

Why Venezuela moves towards freeing political prisoners

24:42
In Venezuela, families of political prisoners have been rallying outside the Supreme Court in Caracas, chanting for the release of their loved ones. Lawmakers in the country have approved the first step of an amnesty bill introduced by the interim leader, Delcy Rodríguez, in...

Simon Willison's Weblog Supports Webmention

Quoting Karel D'Oosterlinck

When I want to quickly implement a one-off experiment in a part of the codebase I am unfamiliar with, I get codex to do extensive due diligence. Codex explores relevant slack channels, reads related discussions, fetches experimental branches from those discussions, and cherry picks useful changes for my experiment. All of this gets summarized in an extensive set of notes, with links back to where each piece of information was found. Using these notes, codex wires the experiment and makes a bunch of hyperparameter decisions I couldn’t possibly make without much more effort.

Karel D'Oosterlinck, I spent $10,000 to automate my research at OpenAI with Codex

Tags: codex-cli, coding-agents, ai-assisted-programming, generative-ai, openai, ai, llms

Simon Willison's Weblog Supports Webmention

Mitchell Hashimoto: My AI Adoption Journey

Mitchell Hashimoto: My AI Adoption Journey Some really good and unconventional tips in here for getting to a place with coding agents where they demonstrably improve your workflow and productivity. I particularly liked: Reproduce your own work - when learning to use coding...

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Aaron Cohen

I’ve always said more popstars should duet with...

I’ve always said more popstars should duet with puppets, so Sabrina Carpenter and Kermit the Frog singing Kenny Rogers and Dolly Parton’s ‘Island in a Stream’ as part of The Muppet Show’s latest special is perfect (to me).

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Jason Kottke

The Triumph of Europe’s Social Democracy

Economist Thomas Piketty, writing for Le Monde (archive) on the success of Europe’s social democratic model and countering “the narrative of a ‘declining’ continent”: If someone had told the European elites and liberal economists of 1914 that wealth redistribution would o...

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Jason Kottke

Professor Walt Hunter on the merits of challenging...

Professor Walt Hunter on the merits of challenging students: Stop Meeting Students Where They Are. “Whole novels aren’t possible to teach, we are told, because students won’t (or can’t) read them. So why assign them?”

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Jason Kottke

The Mountain That Weighed the Earth . How scientists in...

The Mountain That Weighed the Earth. How scientists in 1774 used a Scottish mountain to estimate the mass of the Earth to within 20% of the modern number by measuring the mountain’s gravitational effect on a precision plumb line.

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