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21 September
Founder of the Free Software Movement and the GNU Project, original author of GNU Emacs and the GNU General Public License, and long-time president of the Free Software Foundation.
[1/2] https://www.commondreams.org/newswire/trump-administration-directive-would-allow-killing-of-endangered-wildlife A magat proposal would eviscerate the Endangered Species Act by reinterpreting it to cover only intentional killing or damaging of specific, chosen members of an endangered species. Accidental damage, such as when a ship kills a whale by unexpectedly colliding with it, would not count. Why would one advocate this? Perhaps it reflects a desire to clean out all those pesky Related
20 September
President of the European Commission since 2019; previously Germany's defence minister.
Back in New York for the @UN General Assembly. New geopolitical realities. New troubled waters. But the same urgent priorities for Europe and our partners. Peace for Ukraine. Stability in the Middle East. Climate action and a clean energy transition that powers our industries. The world is changing fast. But cooperation and multilateralism remain our best answer. Proven time and again, especially in difficult times. A busy week of hard work ahead. And I’m looking forward to it. energy Europe Related
17 September
Prime Minister of the United Kingdom since July 2026 and leader of the Labour Party. MP for Makerfield since a by-election in June 2026; Mayor of Greater Manchester from 2017 before that.
We're putting power into communities across Britain by backing them to build and control their own clean energy supply. That's good for bills, good for local economies and good for tackling the climate crisis. theguardian.com
energy Related
16 September
Product discovery coach; wrote Continuous Discovery Habits and writes Product Talk.
15 September
Founder of Farnam Street (fs.blog) and host of The Knowledge Project podcast. Writes and curates on decision-making, mental models and rational thinking.
Lazy work used to mean too little output. Now, with AI, it often means too much and more work for everyone else. @tobi call it "slop grenades." A "Slop Grenade" is when you let AI produce the work and pass it on without adding any value (including checking it). Someone else has to wade through it, catch the mistakes, and clean up the mess. You save time and look productive but someone else pays for it. Quoting @shaneparrish My third conversation with Shopify co-founder and CEO @tobi. 0:00 How Shopify Uses AI 7:18 River: Shopify's Internal AI 8:55 How to Encourage Osmosis Learning 10:52 AI Dreaming and Self-Reflection 11:53 How to Use AI for Strategic Decision Making 14:11 The One Thing AI Cannot Do 16:04 What AI is Ma… Related
Dutch bootstrapper who builds and runs their internet startups alone — Nomads.com, Remote OK, Hoodmaps, Photo AI and Interior AI — and has written about it at levels.io since 2013. Posts as @levelsio.
Their words
you can at least partly avoid it by eating clean, exercising heavy and sleeping well I think
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@levelsio on X x.com
14 September
Product designer and entrepreneur; author of Mobile First and Web Form Design; formerly a product director at Google; now building AI products.
window cleaning robot is not afraid of heights. if/when there’s a humanoid robot for the home, will it learn to operate the window bot or learn to clean windows itself w/ a ladder? Related
13 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.
Short Clean Code, Horrible Performance Related
11 September
Writes and podcasts Volts, on the technology, politics and policy of decarbonisation; covered energy and climate at Vox and Grist before that.
Former L8 engineer at Meta, Microsoft and Atlassian, now writing and building solo on agentic engineering. Writes Kun's Field Notes and posts a lot about AI coding agents on X.
ok everyone, i took one for the team here's the data we all wanted to see - real token value of each LLM subscription, empirically measured through usage on my real subscriptions - supergrok heavy has now become the highest value at $12k worth of tokens (40x ROI) - the $200 plan from openai and anthropic roughly give the same amount of token value, $7k give or take - cursor ultra's ROI is the lowest among mainstream subscriptions, roughly half of OAI or Ant. for individual consumers i'm afraid this no longer makes sense to purchase this was done in a clean environment. i ran each provider acr… LLMs Anthropic Related
9 September
Prime Minister of Canada since March 2025; formerly governor of the Bank of Canada and the Bank of England.
We’re building big. Massive new clean energy projects in Newfoundland and Labrador. Six made-in-Canada icebreakers. More than 300 VIA Rail passenger cars built right here at home — and that’s just in the last month. We're giving ourselves more than anyone can take away. energy Related
8 September
Prime Minister of Canada since March 2025; formerly governor of the Bank of Canada and the Bank of England.
Canada is becoming a clean energy superpower. We’re building new hydro, wind, and transmission projects in Newfoundland and Labrador — the biggest clean energy investment in North American history. More than 20,000 jobs. More clean, reliable, affordable power for Canadians. energy America Related
7 September
Writer and climate campaigner; wrote The End of Nature in 1989, founded 350.org and Third Act, and writes The Crucial Years.
3 September
Co-founder and CEO of Linear; previously principal designer at Airbnb, where he led the Design Language System, and founding designer at Coinbase.
The next Loop we run at @linear is feature flag clean up: 1) @datadoghq creates an issue when the feature flag is no longer used 2) this will assign the owner of the flag, delegate the work to Linear coding agent 3) Linear removes it and opens a PR 4) Owner reviews and merges Related
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.
Paul Krugman’s Substack has become essential reading, and this piece exemplifies why: a clean takedown of the Trump-Bessent claim that Ukraine and “the conflict Iran” bear responsibility for high fuel prices today: **CROSSPOST: PAUL KRUGMAN: Imperialist Delusions & the Price of Fuel** Paul’s subheadline: “Trump & Bessent tried to betray Ukraine. Now they don’t have any cards”… https://braddelong.substack.com/p/crosspost-paul-krugman-imperialist > 2026-09-03 Related
2 September
Writes and podcasts Volts, on the technology, politics and policy of decarbonisation; covered energy and climate at Vox and Grist before that.
1 September
Writer and climate campaigner; wrote The End of Nature in 1989, founded 350.org and Third Act, and writes The Crucial Years.
29 August
Founder and CEO of Get Lighthouse, a management-coaching software company, and previously a product lead at KISSmetrics. Writes about leadership, management and product at jasonevanish.com.
Common problem… Helps to have templates and skills you can share that either clean it up for you, or politely calls out gaps in what they were going to do. Quoting @lennysan A growing part of everyone’s job is cleaning up the AI slop from other people trying to do your job Related
26 August
Creator of Ruby on Rails, CTO of 37signals, and creator of Omarchy.
Their words
And we ended up with a lot of PRs that individually perhaps could have been justified for a hot moment, taken all together, destroyed the architecture of the system. And we actually had to clean up manually, mop it up by hand, by human hand, to get back to an architecture that felt cohesive and coherent.
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youtube.com
Programmer; makes Handmade Hero and teaches Performance-Aware Programming, and argues loudly about how software got slow.
From one piece
Why performant code matters (but gets widely ignored), with Casey Muratori
2 beliefs, in the piece's order there
Their words
If you look at those things, they're kind of just bad programming practices. I I don't really know how else to say them. They don't mesh well when you put them together.
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youtube.com
Their words
But it's the cost of the compiler not being able to do any optimizations. That's the actual cost. And that cost can be severe.
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youtube.com
20 August
Writer on happiness, habits and human nature. Author of The Happiness Project, Better Than Before and The Four Tendencies, and host of the Happier with Gretchen Rubin podcast.
19 August
Writer and podcaster; co-author of Abundance with Ezra Klein, a staff writer at The Atlantic from 2008 to 2025, and host of the Plain English podcast.
16 August
Indian software engineer and co-founder of Skcript; builds web apps and writes at varunraj.in.
Today is a homelab cleanup day, Did a phycial clean up for the servers Upgraded @TrueNAS in the stoage box Removed the old unsed docker and system deps in the main server. Cleanup the storage Feels like a fresh day! Related
12 August
Indian software engineer and co-founder of Skcript; builds web apps and writes at varunraj.in.
I've been using prettyclean to clean my mac all this while and it use to do a pretty good job. But recently started asking claude code to do it and it has been far better and feels like a deep clean. Anthropic Related
11 August
Swedish programmer with degrees in engineering and psychology, author of Your Code as a Crime Scene and founder of CodeScene.
10 August
American software engineer; worked on code-server at Coder and teaches TypeScript and open-source contribution. Publishes at joeprevite.com.
i wanted to take a second to say thanks today marks 52 weeks of working with @GuiBibeau he's been with me since i launched this side business and i've seen him: - completely change his wellness habits - prioritize sleep, clean eating and always getting his steps in (~45m walks multiple times throughout week) - experiment with new supplements - attend various workout classes (Muay Thai, HIIT, pilates) and he's continued it for an entire year. all while maintaining a digital nomad lifestyle. changing your habits is hard. staying committed over the long-run is even harder. cheers to Gui for insp… Related
Founded PSPDFKit in 2011 and ran it for a decade. Came back from a break to work on AI agents — the OpenClaw project, and OpenAI, joined in February 2026. Writes at steipete.me.
29 July
Writes and podcasts Volts, on the technology, politics and policy of decarbonisation; covered energy and climate at Vox and Grist before that.
22 July
Deep-learning researcher and Turing Award laureate; founder of the Mila institute.
This incident is deeply concerning. AI agents are willing to cheat and deceive to achieve misaligned and unintended goals, behaviours which have been demonstrated in controlled tests for months. Now, this real-world case should serve as a wake-up call. Continuing on the current trajectory of AI development will likely lead to an increase in concrete cases of autonomous cyberattacks as well as other high-risk incidents of misaligned and dangerous AI behaviour. We urgently need to take action to prevent these situations, rather than attempting to clean up the damage after the fact. wired.com
AI alignment Related
14 July
Investing columnist for The Wall Street Journal and editor of the revised edition of Benjamin Graham's The Intelligent Investor.
Their words
Carlson, author of the aptly named blog A Wealth of Common Sense, brings a similar approach to this book. While much of it might seem familiar to sophisticated readers, Carlson's clean and clear use of data — both in charts and text — makes basic points memorable.
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jasonzweig.com
1 July
Programmer; wrote Extreme Programming Explained and Test-Driven Development, signed the Agile Manifesto, and writes Tidy First?.
Their words
Nobody knows now. That playbook has been wiped clean and people whose identity is I know the playbook are now terrified. Who who am I? Now, it turns out that the skill of writing a playbook is completely different than the skill of applying a playbook.
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youtube.com
28 June
Machine learning engineer and consultant focused on RAG and retrieval systems. He writes about applied AI engineering at jxnl.co and is the author of the instructor library.
3 June
Engineer and teacher; wrote Kubernetes the Hard Way, was a distinguished engineer at Google Cloud, and retired from full-time work in 2023.
Their words
It is a luxury to be able to afford to go slow because when you're really, really busy, you need an admin because you can't afford to book your own tickets. When you're really busy, you cannot afford to clean your own house.
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youtube.com
1 June
Software engineer in Chicago; writes the cassidoo.co blog and a weekly developer newsletter.
27 May
Founder of what became Bloomberg New Energy Finance; writes and speaks on clean energy, hydrogen and the economics of the transition, and hosts the Cleaning Up podcast.
energy
Their words
We are about to see the Great Clean Energy Acceleration 2.0 - a discontinuity in energy markets as profound as the oil shocks of the 1970s, and one that could bring forward the peak in fossil fuel use and emissions to this side of 2030.
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liebreich.com
22 May
Dutch bootstrapper who builds and runs their internet startups alone — Nomads.com, Remote OK, Hoodmaps, Photo AI and Interior AI — and has written about it at levels.io since 2013. Posts as @levelsio.
Their words
this just works so well, I'm so fast, and each of my sites is just an open tab in Termius, I've never worked so structured and clean!
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levels.io
19 March
Co-creator of Django and creator of Datasette; writes daily at simonwillison.net.
Their words
one of the magic tricks about these things is that they they're incredibly consistent. If you've got a code base with a bunch of patterns in, they will follow those patterns almost to a T.
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youtube.com
13 March
Founder and chief analyst of SemiAnalysis; reports on semiconductor supply chains, AI datacentre economics and what the chip export controls actually do.
Their words
but I think he can build the uh clean room. It'll take a year or two. Maybe initially it won't be super fast, but then over time you'll get faster and faster at it. But then the really complex part is actually developing the process technology and building wafers. And I don't think he can develop that uh quickly. I think that has a lot of built-up knowledge.
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youtube.com
24 February
Programmer; wrote Redis and hping, and blogs about C, systems programming and working alone.
16 February
Programmer and teacher; writes on software, learning and the web, and makes the Coding Blocks video course.
9 February
Programmer, teacher and speaker; long-time Microsoft developer-community figure, host of the Hanselminutes podcast and author of the hanselman.com blog.
18 January
Machine learning engineer and independent AI consultant. He writes about LLM evaluation, tooling and applied ML at hamel.dev, and previously worked on machine learning at GitHub.
5 January
Founder of what became Bloomberg New Energy Finance; writes and speaks on clean energy, hydrogen and the economics of the transition, and hosts the Cleaning Up podcast.
12 December 2025
Environmental writer and campaigner; author of Six Degrees, The God Species, Seeds of Science and Our Final Warning.
Is it over for nuclear? As the renewables + batteries electro-tech clean energy revolution gathers pace, do we still need those hugely expensive giant reactors? Join me and Bryony Worthington for our Season 2 ender podcast episode... we went out with a bang! weplanet.org
energy Related
9 December 2025
Data scientist at Our World in Data and author of Not the End of the World. Writes By the Numbers, working through energy and climate questions with the numbers in front of them, and revising in public when they say something unexpected.
1 October 2025
Machine learning engineer and independent AI consultant. He writes about LLM evaluation, tooling and applied ML at hamel.dev, and previously worked on machine learning at GitHub.
Their words
The panel had a generally positive view of Braintrust, highlighting its clean UI and structured approach to evaluations. The tool’s emphasis on human-in-the-loop workflows was a significant strength.
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hamel.dev
6 September 2025
Co-founder of Microsoft and of the Gates Foundation. Writes Gates Notes on global health, energy and climate, and on whatever they have been reading.
.@fervoenergy is creating energy that’s clean, affordable, reliable, and American-made. energy America Related
7 August 2025
Founder of what became Bloomberg New Energy Finance; writes and speaks on clean energy, hydrogen and the economics of the transition, and hosts the Cleaning Up podcast.
26 May 2025
Creator of the Keras deep-learning library and the ARC-AGI benchmark.
15 May 2025
Data scientist at Our World in Data and author of Not the End of the World. Writes By the Numbers, working through energy and climate questions with the numbers in front of them, and revising in public when they say something unexpected.
From one piece
Why are solar panels and batteries from China so cheap?
2 beliefs, in the piece's order there
12 May 2025
Founder of what became Bloomberg New Energy Finance; writes and speaks on clean energy, hydrogen and the economics of the transition, and hosts the Cleaning Up podcast.
19 September 2024
Medicinal chemist; has written In the Pipeline, the drug-discovery blog, since 2002, and the “Things I Won’t Work With” posts about chemicals that try to kill you.
1 July 2024
Founding member of OpenAI and former director of AI at Tesla; creator of nanoGPT and the term "vibe coding".
10 November 2023
Founder of Terraform Industries and formerly a physicist at NASA's Jet Propulsion Laboratory; writes about energy, space and manufacturing.
From one piece
Permitting Reform Or Death
2 beliefs, in the piece's order there
11 October 2023
Founder of Terraform Industries and formerly a physicist at NASA's Jet Propulsion Laboratory; writes about energy, space and manufacturing.
1 June 2023
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.
28 February 2023
Programmer; makes Handmade Hero and teaches Performance-Aware Programming, and argues loudly about how software got slow.
13 January 2023
Co-founder and CEO of Every. Writes the Chain of Thought column about working with AI tools and hosts the podcast AI & I.
Their words
GPT-3 is really just an incredible therapist, and is able to uncover complex patterns in my thinking and distill clean narratives that helps me a lot.
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every.to
5 February 2021
Machine-learning researcher on open language models; writes the Interconnects newsletter and the RLHF Book, after leading post-training at Ai2.
22 December 2020
Programmer, teacher and speaker; long-time Microsoft developer-community figure, host of the Hanselminutes podcast and author of the hanselman.com blog.
Their words
Fiddler - The easy, clean, and powerful debugging proxy for checking out HTTP between here and there. It even supports sniffing SSL traffic.
Show the whole quote
hanselman.com
11 November 2020
Engineer and writer on machine-learning systems; author of Designing Machine Learning Systems and AI Engineering. "I work to bring AI into production. I write about AI system design."
2 October 2020
American senior staff engineer working on developer and user experience and open source; writes at adamdehaven.com.
Their words
Benchmade Mini Griptilian - There's always a use for a reliable knife. A bonus in going with Benchmade: they will sharpen and clean your knife for free for life; just mail it in.
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adamdehaven.com
14 May 2020
Author and clean-energy analyst who writes on solar cost curves.
2 April 2019
Author and clean-energy analyst who writes on solar cost curves.
19 September 2018
Author and clean-energy analyst who writes on solar cost curves.
13 November 2017
Author and clean-energy analyst who writes on solar cost curves.
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What is a korrent?
A korrent is a belief a person has stated in their own words: one
sentence stating the claim, backed by a quote and a source, kept at
korrents.com .
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