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18 September
Builds developer tools — SST, and now OpenCode at Anomaly. Posts constantly on x.com and writes almost never; the blog stopped in 2021.
i know i joke on here a lot but want to address something serious it has come to my attention that ryan for a week said this round of rebase trivia would be star wars themed and then proceeded to ask 12 star trek questions i want to make one thing very clear ryan is an idiot that is all Related
17 September
Writes The Pragmatic Engineer, the software-engineering newsletter, and wrote The Software Engineer's Guidebook. Formerly an engineering manager at Uber, and at Microsoft/Skype and Skyscanner before that.
If you’re in NYC tomorrow (Thursday), last event I’ll be at! Come along if you can. Also love New York’s energy: tech + hardcore engineering is here, everywhere, v impressed with the tech scene all-round Quoting @grinich what up nyc come hear @GergelyOrosz of the @Pragmatic_Eng tomorrow night at WorkOS Soho rsvp: energy Related
16 September
Self-taught home cook and food writer who has run the Smitten Kitchen recipe site since 2006; author of four cookbooks.
New! Holding onto the last gasp of summer with an almost no-stir tomato risotto that's uncluttered enough to let the tomatoes shine. Basil, parmesan, and butter round it out. Crispy frizzled red onions provide fragrance and depth, and a crispy finish. Related
15 September
Writer and illustrator behind Wait But Why, a long-form blog of stick-figure-illustrated explainers on science, technology and society, and author of the book What's Our Problem?
One prominent theory says that long before our fish ancestors left the water, they did a lot of this, briefly scooting from pond to pond. Slowly, some evolved to be so good at scooting around on land and breathing air that they became fully amphibious. Quoting @sciencegirl You are always one decision away from a different life Related
Technical educator, conference speaker and developer relations engineer based in Ottawa, Canada. Author of the Anubis bot filter and of over 400 articles at xeiaso.net.
Their words
Filesystem reads in that case are 10 nanoseconds at most (the filesystem cache helps so much here) but doing any network roundtrip is 10 milliseconds at minimum. It's at least a million times slower because of how reality works.
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tigrisdata.com
14 September
Founding executive editor of Wired and author of What Technology Wants and The Inevitable. Writes at kk.org and runs its long-running recommendation projects, True Films and Cool Tools.
Their words
I bet against this timeline and say they will not. The winner has to buy a round of gelato.
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Robot Basketball kk.org
13 September
AI research engineer working on large language models. He writes the Ahead of AI newsletter and is the author of Build a Large Language Model (From Scratch).
Reasoning from scratch round 3: This time, I cover generating a verifier for... a) ...evaluation (base model versus any future model improvement) b) ...the reinforcement learning with verifiable rewards (RLVR) training later on 00:00 Introduction 01:21 Four approaches to LLM evaluation 07:20 Verifiers and reinforcement learning with verifiable rewards 10:52 Notebook setup and dependencies 13:43 Section 3.1 Building a math verifier 18:57 Section 3.2 Loading a pre-trained model to generate text 24:34 Generating and displaying model answers 29:23 Section 3.3 Implementing a wrapper for easier tex… LLMs Related
American science fiction novelist (Old Man's War, Redshirts, The Kaiju Preservation Society); has run the blog Whatever since 1998.
11 September
Economist; former chief economist of the International Monetary Fund.
A propos nothing (or maybe not). First, an oped arguing the earth is flat. Journalists, who smell a good fight, set up a debate. They invite the flat earth guy and find a round earth one willing to come and debate. The flat earth guy explains that, if the earth was round, people on the other side would be walking upward down or would fall. This is just common sense. The round earth guy explains that there is something called gravity, and so this is not what happens. The flat earth guy says that this is all high brow academic stuff, and common sense should rule the day. Anyway, he says, there… Related
Philosophy professor at UC Berkeley and creator of pandoc, the universal document converter, and of the CommonMark markdown specification.
9 September
Founder and editor-in-chief of MacStories, writing about Apple software, iPad workflows and automation since 2009. He co-hosts the AppStories podcast.
8 September
Co-founder of Superlogical, started in 2026 to build server-side terminal infrastructure; creator of Ghostty. Co-founded HashiCorp and created Vagrant and Terraform before that.
A quick look into remote persistent sessions with Superlogical! Not just remote sessions, but some functionality like remote directory lists, too. Superlogical can actually be a full SSH replacement (I don't run SSH on my servers anymore), and I talk about that briefly, too. Related
Mathematical biologist; Senior Lecturer in the Department of Mathematical Sciences at the University of Bath and author of The Maths of Life and Death and How to Expect the Unexpected.
7 September
Economics professor at the University of California, Berkeley and a former Deputy Assistant Secretary of the US Treasury. Author of Slouching Towards Utopia and writer of the Grasping Reality newsletter.
A pump-and-dump dressed up as a fake cabinet post?: Elon Musk’s DOGE took money Congress had lawfully appropriated to fight disease and grow the world economy, and simply nixed it. The crypto coin that Musk was then not so quietly promoting made a round-trip: the DogeCoin chart runs $0.09 to $0.40 and back to $0.09. But the 800,000 or so who would be alive today without DOGE’s illegal and unconstitutional chaos-monkey wrecking ball did not come back: **Elon Musk & His DOGE & DogeCoin... 1/ crypto Related
6 September
AI research engineer working on large language models. He writes the Ahead of AI newsletter and is the author of Build a Large Language Model (From Scratch).
Reasoning from scratch round 2: In this video, I cover the text generation process in LLMs and KV caching (to prepare the base model before adding reasoning techniques in the upcoming ones). 00:00 Introduction and reasoning model demo 01:55 How to work through the book 05:00 Chapter 2 overview 08:25 Checking PyTorch and hardware support 10:26 Apple silicon and MPS caveats 15:00 Cloud GPU options 16:08 Tokens and tokenization 18:20 Qwen3 and the Reasoning From Scratch package 23:05 Encoding and decoding text 26:24 Downloading weights and selecting a device 31:01 Loading the pretrained Qwen3 mo… LLMs Related
3 September
Statistician at Columbia; writes Statistical Modeling, Causal Inference, and Social Science, and wrote Bayesian Data Analysis.
Mathematician at UCLA, working mainly in harmonic analysis and partial differential equations. Writes What's new, a long-running blog on their research, open problems and expository notes.
A concrete example of how AI advances in solving key open problems could inihibit the future development of a mathematical field can be found in the global regularity problem for the incompressible Navier-Stokes equations (as well as its counterpart for the Euler equations). Until recently, this problem was on track to be one of the most promising examples of an AI-assisted success story, in which AI tools could be used both to solve the problem and to set the stage for the next round of progress in the field. While the problems remain open for now, there is now an increasingly realistic scen… Related
Co-founder of Y Combinator and Viaweb; essayist at paulgraham.com.
startups
Their words
It's hard it's harder to start a rocket startup on no money, but even a rocket startup you can start on not much money because what you do is you adjust for how much money you've got.
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youtube.com
2 September
Researcher and science writer. Co-founder and editor at Works in Progress magazine, formerly a researcher at Our World in Data, and author of the Scientific Discovery newsletter on science, global health and medical innovation.
26 August
Hosts the Lex Fridman Podcast — long, unhurried conversations with scientists, engineers and public figures. Several of the interviews quoted elsewhere on this site are episodes of it.
Here's my conversation with @DHH. He is back for round 2! It was an epic fun 5 hour conversation about the future of programming, AI, Linux, and human civilization. It's here on X in full and is up everywhere else (see comment). Timestamps: 0:00 - Episode highlight 1:27 - Introduction 2:56 - Programming with AI agents 18:14 - How software will change 27:30 - AI impact on open source 37:21 - Building Omarchy Linux distro 47:05 - Vibe coding vs agentic engineering 1:00:06 - The end of manual programming 1:10:24 - Advice for programmers 1:22:30 - Surviving Internet Hate 1:31:46 - Programming set… Omarchy Linux Related
Researcher and science writer. Co-founder and editor at Works in Progress magazine, formerly a researcher at Our World in Data, and author of the Scientific Discovery newsletter on science, global health and medical innovation.
x.com I wrote about the Moderna melanoma cancer vaccine news briefly for our weekly round up Related
Bluesky I wrote about the Moderna cancer vaccine news briefly for our weekly round up abundanceandgrowth.org
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20 August
Cartoonist and comics theorist, author of Understanding Comics, Reinventing Comics, Making Comics and the graphic novel The Sculptor.
You know that old quote about how "a lie can travel halfway 'round the world while the truth is still getting its boots on"? Help the truth get its boots on. Support ProPublica! Related
19 August
Psychiatrist and clinical assistant professor at Case Western Reserve University. Writes Psychiatry at the Margins on the philosophical and scientific arguments inside psychiatry and the psy-sciences.
With a new round of brouhaha over ADHD in the UK, seems like a good time to repost this discussion: What if obesity were invisible in the same way as ADHD is? ADHD is a construct that seems to encompass motivational and task initiation difficulties, executive function difficulties, and impulse control difficulties. And stimulants are attractive to people for a lot of reasons. psychiatrymargins.com
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18 August
German developer; founder and lead developer of Mastodon, the decentralized open-source social network.
RE: https://mastodon.social/@Mastodon/117117221397911074 After hearing feedback from people struggling with #Mastodon’s layout and navigation for a long time I’m really looking forward to these changes. And I’m really impressed with the work @imanijoy has put into researching user needs with surveys, interviews, and round tables. I feel like the community has never been so represented in the design process before. The screenshots are marked “in progress” for a reason though—it’s a process. Related
Founder and former CEO of Zynga, the social-games company behind FarmVille, Zynga Poker and Words with Friends; says he founded ten companies in all, and wrote Life at the Speed of Play.
. @yurimilner was that world class investor. After one meeting he said he wanted to invest and asked me for a valuation. I threw out a number 10 pct below what i figured our next round would be. He said he would wire the money next week. I think it was $150m. Never asked for board seat or any terms. He ttly got what the founder of a high growth company cared about. No meetings. No terms. Dont bother us. Let us cook! Quoting @kevinleeme Whenever other founders ask me who my best investors are and who I’d recommend they work with, I name the handful of VCs who rarely bother us and trust us to operate. It’s funny how simply doing nothing as an investor can put you in the top 1% of a founder’s book. Related
Founded CD Baby in 1998 and sold it in 2008, giving the proceeds to a charitable trust for music education. Since then a writer and speaker: five books and 550+ articles, published first at sive.rs, which they hand-code and keep free of advertising.
14 August
Ancient and military historian; writes A Collection of Unmitigated Pedantry, long series checking what history actually says against how popular culture tells it.
7 August
Co-founded Neuralink and founded Science Corp, which is building a retinal implant; writes about neural interfaces and biology.
4 August
Co-founder of Panic, the Portland software company behind Transmit, Coda, Nova and the Playdate handheld console.
#BigWalk is out now in all regions on Steam, PS5 (free on PS Plus), Switch 2, and Mac App Store! It's something really special. Hope you can round up a friend or ten and enjoy! ❤️ youtube.com
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31 July
Co-founder and CEO of Stripe and co-founder of the Arc Institute. Keeps a personal site of reading lists, open questions and notes on scientific progress and how research is funded.
Their words
That's a hell of a lot slower than knowing it in cognitive L1 cache. And you can have way more round trips in your brain than you can, you know, muttering through, you know, super whisper or typing it out or whatever.
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youtube.com
8 July
Developer, author and YouTuber covering Raspberry Pi, homelab hardware and Ansible automation. Author of Ansible for DevOps.
4 July
Hosts the Lex Fridman Podcast — long, unhurried conversations with scientists, engineers and public figures. Several of the interviews quoted elsewhere on this site are episodes of it.
Happy Birthday America! To me, the greatest nation on Earth. 250 years of loudly arguing our way toward a more perfect union 😂 We're in this together, I love you all! ❤️ PS: World Cup has been amazing. US in the round of 16, LFG! Also, I'm a long-time huge fan of Argentina and Messi, but Cape Verde vs Argentina was one of the greatest games I've ever seen. That is what the World Cup is all about! America Related
1 July
Programmer; wrote Extreme Programming Explained and Test-Driven Development, signed the Agile Manifesto, and writes Tidy First?.
Their words
Then you had code review which gave you another level of feedback. You could roll out internally more frequently. And everybody was using Facebook for all kinds of stuff, personal and internal business stuff. So whatever feature you developed, people would start using it immediately. So you get another round of feedback. Then we had this phased roll out process where you'd start rolling your stuff out. If there was a problem, the blast radius would be limited to a a few million people.
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youtube.com
17 June
Author of The Simple Path to Wealth and of the jlcollinsnh.com stock series on index-fund investing.
My pal Justin has me back on his podcast for a third (!) round 😉 youtu.be
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9 June
General partner at Benchmark Capital for over two decades; was the lead analyst on Amazon's IPO before moving into venture capital. Writes Above the Crowd on tech and marketplace economics.
Their words
Look, first of all, if a company's successful, someone will knock on your door and try and give you more money. So, like almost every round is preemptive for successful companies. And when you take that much money, $300 million, the only way to spend it is to take your burn rate up. And I always thought of burn rate as a measure of risk.
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youtube.com
3 June
Creator of Homebrew, the macOS package manager, and a Swift developer.
19 May
Novelist and critic, author of The Body Scout and Metallic Realms; writes the newsletter Counter Craft on fiction craft and the publishing industry.
17 May
Writer and former Substack product manager; publishes essays and interviews on technology, culture and China at jasmi.news.
Blue Bottle > Luckin acquisition round 2 something something chinese century Quoting @lapresmidi SCOOP: Everlane sold to Shein for $100 million https://t.co/t20DvYqvcr @PuckNews China Related
9 April
Founding member of OpenAI and former director of AI at Tesla; creator of nanoGPT and the term "vibe coding".
Their words
these free and old/deprecated models don't reflect the capability in the latest round of state of the art agentic models of this year, especially OpenAI Codex and Claude Code.
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x.com
Their words
these free and old/deprecated models don't reflect the capability in the latest round of state of the art agentic models of this year, especially OpenAI Codex and Claude Code.
Show the whole quote
x.com
18 March
Novelist and critic, author of The Body Scout and Metallic Realms; writes the newsletter Counter Craft on fiction craft and the publishing industry.
13 March
Founder and chief analyst of SemiAnalysis; reports on semiconductor supply chains, AI datacentre economics and what the chip export controls actually do.
data centers
Their words
um humanoid robots maybe start to or robotics at least start to but the main factor is going to be for reducing the number of people is modularizing things and making them in factories in Asia
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youtube.com
25 February
AI research engineer working on large language models. He writes the Ahead of AI newsletter and is the author of Build a Large Language Model (From Scratch).
21 January
Independent game developer, creator of the colony simulation RimWorld and author of Designing Games: A Guide to Engineering Experiences. Previously worked on BioShock Infinite.
Prefer to design from imagination and play, not spreadsheets. Spreadsheets round off too many spiky bits and kill serendipity. Related
20 January
British senior engineering manager at Netlify, previously a team lead at the BBC; writes about JavaScript testing, chatbots and serverless at marclittlemore.com.
Mastodon Spent about 4 hours talking to Gemini to try to get a Proxmox samba share to work with my Mac. It's just going round in circles getting me to change the config over and over again. Still doesn't work. Google Related
Bluesky Spent about 4 hours talking to Gemini to try to get a Proxmox samba share to work with my Mac. It's just going round in circles getting me to change the config over and over again. Still doesn't work. Google Related
7 January
Executive coach for product leaders. Previously a partner at GV (Google Ventures) and a product manager at Google. Writes at Bring the Donuts, including a standing essential-reading list for product managers.
Their words
This one only gets better with age. Although it’s only mentioned briefly, this is where Andy Grove first introduced OKRs to the world. His practical advice about meetings, especially the importance of 1-on-1s, inspired
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bringthedonuts.com
5 January
American writer and long-term traveller. Blogs at tynan.com about travel, owning few possessions, habits and the gear he carries; author of Superhuman by Habit and Make It Big.
Their words
It's such a pointless achievement and yet when you're at 99, all you think of is going to one more country so you can never think about the number of countries you've been to again.
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Cześć 2025 tynan.com
30 September 2025
Hosts the Lex Fridman Podcast — long, unhurried conversations with scientists, engineers and public figures. Several of the interviews quoted elsewhere on this site are episodes of it.
Their words
If you’re stuck in a depressive cycle, even when you really, really, really, really don’t want to do anything, to do something. Try to make progress because the good feeling comes on the end of that. The whole point is to do first and then feel, not feel and then do.
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youtube.com
25 September 2025
Independent AI policy researcher; led policy research at OpenAI from 2018 to 2024, latterly as senior adviser for AGI readiness.
12 September 2025
Professor at Berkeley working on robot learning; co-founded Physical Intelligence, and argues that robots will learn from data rather than be programmed.
Their words
I think that it's optimistically that it's actually the other way around that the robotics uh element of the equation will make all the other stuff better. And there are two uh reasons for this that that I could tell you about. One has to do with representations and focus.
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youtube.com
1 September 2025
Mac and iOS developer at the Iconfactory, where he has worked on apps including Twitterrific and Tot. He writes about development at furbo.org.
29 August 2025
China economy researcher based in Beijing who writes on his personal blog about Chinese political economy, history, books and music.
19 July 2025
Mathematician and maker of the 3Blue1Brown YouTube channel, which explains mathematics through animation. Creator of the open-source Manim animation library and founder of the Summer of Math Exposition.
Welp, somewhat embarrassingly, yesterday this account was briefly compromised and someone posing as me promoted a crypto project supposedly "tokenizing" manim. Thank you to those of you who quickly flagged it as spam and alerted me to the problem. For future reference, it's a safe bet that you'll never see me creating and promoting a meme coin. crypto Related
27 May 2025
Journalist; wrote We Are Eating the Earth on food and climate, and writes the newsletter Emissions.
22 February 2024
Novelist and critic, author of The Body Scout and Metallic Realms; writes the newsletter Counter Craft on fiction craft and the publishing industry.
10 January 2024
Writes Useful Fictions on agency and how to get better at things; a former appellate lawyer and the top-ranked woman in professional poker in 2017.
27 November 2023
Economic historian writing on the Industrial Revolution, the Great Divergence and the origins of modern growth.
Briefly relaxing my Twitter embargo to suggest that you read @oliverwkim's JMP, on the economic consequences of the Household Responsibility System in China. It's a clever and counterintuitive example of how creative data work can help us answer important historical questions. Quoting @oliverwkim 🚀JMP alert🚀 My paper w @FergJoel applies machine learning to 1970s-80s satellite imagery to revisit one of the 🇨🇳 Chinese Miracle's first major reforms, the Household Responsibility System—the end of collective socialist agriculture. What we found was quite surprising. 🧵 China Related
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