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American science fiction novelist (Old Man's War, Redshirts, The Kaiju Preservation Society); has run the blog Whatever since 1998.

• 50th Anniversaries and When I’ll Hit Them

  I read an article in the Irish version of The Times about the band U2 being together for 50 years now, dating back to their first gathering as a group in drummer Larry Mullen’s kitchen, on September 25, 1976. They were…

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Swedish open source developer; creator and lead maintainer of curl and libcurl, and a co-founder of the Rockbox project.

• my week: https://lists.haxx.se/pipermail/daniel/2026-September/000168.html security, performance, events

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Technology writer of Spyglass, a newsletter about technology and media. Previously a reporter at TechCrunch and an investor at GV.

• 🫟 Inklings 📆 September 18, 2026 • Meta's Camera-Less Glasses • Apple's Surveillance • Claude Unifies • Prime Bundles • Dario Writes • Bond, Jack Bond

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Co-creator of Django and creator of Datasette; writes daily at simonwillison.net.

• Note on 18th September 2026

  Being a computer scientist who refuses to find anything about LLMs interesting right now is a bit like being a geneticist who refuses to find anything interesting about the recently opened Jurassic Park. Skeptical genet…

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Analyst of the business of technology; writes Asymco on Apple, disruption and, latterly, micromobility.

• Asymco Office Hours Boston: TODAY at 4pm ET — In Person or Remote

  Today · 4:00–5:30pm ET / 1:00–2:30pm PT · Boston Seaport, and online The second half of the Asymco Office Hours Duo took place on Friday, September 18. See the proceedings at asymco.com/live. In person: Boston Seaport.…

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Aeronautical engineer and former fighter pilot; analyses aircraft design and airline economics at Leeham News.

• Bjorn’s Corner: Aircraft Structures Part 19. Liquid Composite Molding

  By Bjorn Fehrm • Aerospace Analyst September 18, 2026 Last week we looked at dry fiber layup methods that use a binder to tack fabrics or the tape in an AFP/ATL system to the previous ply, creating a...

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Canadian cartoonist and writer: Dinosaur Comics, Marvel's The Unbeatable Squirrel Girl, and the choose-your-own-path books To Be or Not To Be and Romeo and/or Juliet.

• sherlock, be careful: these omniscient third party narrators will see you crying! sherlock, they can READ your THOUGHTS!!

  archive - contact - sexy exciting merchandise - search - about ← previousSeptember 18th, 2026next September 18th, 2026: Sherlock's misadventures MAY be based on a cake I baked as a teen. It was extremely bitter, I…

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Aeronautical engineer and former fighter pilot; analyses aircraft design and airline economics at Leeham News.

• How To Measure the Range of an Airliner

  By Bjorn Fehrm • Aerospace Analyst September 17, 2026 Subscription Required Last week we looked at airliner capacity and size and found that measuring it by seats makes sense, since seats are the primary revenue driver…

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Software design writer and chief scientist at Thoughtworks; wrote Refactoring and Patterns of Enterprise Application Architecture.

• Fragments: September 16

  Reports of agentic hacking continue, in this case it happened back in May and it seems OpenAI did not disclose that they were responsible. Simon Willison sees two options: After the Hugging Face and Wiki attacks OpenAI…

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Mac developer and writer at brettterpstra.com; makes the apps Marked and nvALT and writes extensively about Markdown and automation.

• Lately on the blog: Web Excursions for September 16th, 2026

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Co-founder, chairman and chief investment officer of Ritholtz Wealth Management. Hosts the Masters in Business podcast for Bloomberg and wrote How NOT to Invest.

• At The Money: Investing in Founder-Led Companies

  At The Money: At The Money: Investing in Founder-Led Companies Michael Monahan (September 16, 2026) How can ordinary investors access funds of companies led by founders? Enter the Founders 100 ETF (FFF). Full transcript…

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Self-taught home cook and food writer who has run the Smitten Kitchen recipe site since 2006; author of four cookbooks.

• tomato risotto with frizzled red onions

  If you’re one of those people who gets irritated by the specter of pumpkin spice — or, gasp, Halloween decor — on an 85-degree week in September; if you understand that there are what will feel like infinite months left…

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American author of The Obstacle Is the Way, Ego Is the Enemy and Stillness Is the Key. Writes the Reading List book-recommendation email (started 2008) and owns The Painted Porch bookstore in Bastrop, Texas. Hosts The Daily Stoic podcast.

• How to Get More Out of Every Book You Read Sign up and join us at https://t.co/kcLi9BVU76 before September 21 to get invited to a live Q&A with me

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Bulgarian-born writer and founder of The Marginalian (formerly Brain Pickings), a reader-funded blog on books, science, art and philosophy running since 2006.

• J.R.R. Tolkien on How to Fall in Love with Life

  In 1964, Pantheon Books invited J.R.R. Tolkien (January 3, 1892–September 2, 1973) to write an introduction to George MacDonald’s The Golden Key, which he had praised in Tree and Leaf — the small, splendid essay collect…

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Security technologist and author of books including Applied Cryptography and Data and Goliath; writes the Schneier on Security blog and the monthly Crypto-Gram newsletter.

• Upcoming Speaking Engagements

  This is a current list of where and when I am scheduled to speak: I’m speaking online (via Zoom) at a League of Women Voters event on Tuesday, September 22, 2026 at 5 PM ET. I’m speaking at CanSecWest 2026 in Vancouver,…

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Cognitive scientist and long-standing critic of deep learning's claims; writes Marcus on AI and wrote Rebooting AI.

• President Trump’s Date With Destiny?

  September 24, if played right, could change everything

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Theoretical physicist and philosopher, Homewood Professor of Natural Philosophy at Johns Hopkins and fractal faculty at the Santa Fe Institute. Writes the Preposterous Universe blog and hosts the Mindscape podcast.

• Mindscape Ask Me Anything | September 2026. This month: If you were innocent of a serious crime and the evidence needed to establish the truth was available, would you rather 12 human jurors or 12 AIs decide your fate? #MindscapePodcast

  preposterousuniverse.com

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Security technologist and author of books including Applied Cryptography and Data and Goliath; writes the Schneier on Security blog and the monthly Crypto-Gram newsletter.

• Microsoft’s Patching

  Once a month, Microsoft pushes a security update to all Windows users. Tomorrow’s is a new record: Microsoft’s patch for September is a doozy, with a record number of roughly 972 vulnerabilities fixed and 112 of them me…

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Theoretical physicist and philosopher, Homewood Professor of Natural Philosophy at Johns Hopkins and fractal faculty at the Santa Fe Institute. Writes the Preposterous Universe blog and hosts the Mindscape podcast.

• Mindscape Ask Me Anything, Sean Carroll | September 2026

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Forecaster, founder of FiveThirtyEight, author of The Signal and the Noise and On the Edge. Writes Silver Bulletin, where the predictions come with numbers and the numbers are later checked against what happened.

• September polling has been very good for Democrats

  Back at the OG version of FiveThirtyEight.com in 2008, we ran a daily feature called “Today’s Polls”.

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Clinical psychologist, EMDR consultant and yoga teacher in Boulder, Colorado. Author of The Complex PTSD Workbook and EMDR Therapy and Somatic Psychology; writes on trauma, attachment and the nervous system.

• If you’re on the fence…there is still time to sign up and join me at the Art of Living Retreat Center for my signature Beyond Trauma event. September 24-27 💓 Learn more & register: https://t.co/Y8oJfwxUth #beyondtrauma #healingretreat

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Australian moral philosopher, Professor of Bioethics emeritus at Princeton University; author of Animal Liberation, Practical Ethics and The Life You Can Save.

• For the August/September issue of Forbes Australia, I was invited to answer The Last Word, a series of questions that range from the serious to the personal. Thank you to Forbes Australia and Sarah O’Carroll for the feature. #PeterSinger #ForbesAustralia #Philosophy #Ethics #EffectiveAltruism

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Co-founder, chairman and chief investment officer of Ritholtz Wealth Management. Hosts the Masters in Business podcast for Bloomberg and wrote How NOT to Invest.

• 10 September 11th Reads

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Technology writer and podcaster; former Macworld editor-in-chief, writes Six Colors and hosts podcasts on Relay FM and The Incomparable.

• New Upgrade: We break down Apple's September 9 event, including the foldable iPhone Duo, the non-foldable iPhone 18 Pro, the surprising new Apple Watches that double as AI wearables, and the event debut of John Ternus as Apple's CEO.

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Founder and editor-in-chief of MacStories, writing about Apple software, iPad workflows and automation since 2009. He co-hosts the AppStories podcast.

• All the ‘Surprise and Shine’ Release Dates and Features, Visualized

  At today’s Surprise and Shine event, Apple announced a lot of dates. Most of the new hardware arrives on September 18, but the brand new iPhone Duo won’t launch until October. Before then, Apple’s next round of major OS…

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Co-founder and CEO of OpenAI; previously president of Y Combinator.

• We want to celebrate with people using GPT-6. We did this for GPT-5.5 and it was really fun. We’re getting together in SF on September 16 to talk about the model, what we should build next, and mostly just to hang out. Apply by Sep 10:

  gpt6-launch-event.openai.chatgpt.site

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Software design writer and chief scientist at Thoughtworks; wrote Refactoring and Patterns of Enterprise Application Architecture.

• Fragments: September 8

  Christian Catalini says we’re in a situation where we are vastly reducing the cost of generating things, but not the cost of verifying them:. This explains why the first major AI products appeared in chat, image generat…

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Self-taught home cook and food writer who has run the Smitten Kitchen recipe site since 2006; author of four cookbooks.

• Today's SK Digest shares forever favorite September recipes: easy breakfasts, dinners everyone loves, and nostalgic snacks that help us get back to the school grind, however reluctantly. Plus: An interview with Grace Elkus about Protein-Packed Vegetarian.

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Deep-learning researcher and Turing Award laureate; founder of the Mila institute.

• BlueskyI will be at ALL IN on September 17 to give an update on @law-zero.bsky.social’s research agenda and growth as part of a fireside chat on Engineering Honesty and Reliability for Safer AI!

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• x.comI will be at @allincanada on September 17 to give an update on @LawZero’s research agenda and growth as part of a fireside chat on Engineering Honesty and Reliability for Safer AI!

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Economist; Ronald A. Kurtz Professor of Entrepreneurship at MIT Sloan, former chief economist of the International Monetary Fund, and co-author of 13 Bankers and Power and Progress.

• Does the Fed Have Inflation Under Control? - Power and Consequences Epis... https://t.co/XFIu9fefNJ via @YouTube Don’t expect the Fed to raise short-term rates in September. The bond market on the other hand…

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Co-founder of AQR Capital Management; quantitative investor and writer.

• Can you design a portfolio that is behind January through September but in the fourth quarter kicks the hell out of everyone?
  Quoting@shortsqueeznewsBREAKING: Several Knicks players, such as Jalen Brunson, Josh Hart, and Mikal Bridges have reportedly become Goldman Sachs Private Wealth Management clients to reunite with former Villanova teammate Matt Kennedy as their financial advisor. The Villanova-to-New York Knicks pipeline runs deep.

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Technology writer of Spyglass, a newsletter about technology and media. Previously a reporter at TechCrunch and an investor at GV.

• 🫟 Inklings 📆 September 4, 2026 • App Store Succession • Cybercab Launch • Azure Reporting • No Google Breakup • Snap's Specs Situation • NVIDIA's Profit Crown

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Ancient and military historian; writes A Collection of Unmitigated Pedantry, long series checking what history actually says against how popular culture tells it.

• Fireside Friday, September 4, 2026

  Hey folks! Fireside this week! Last week’s post was a monster (over 10,000 words compared to our more typically ~6,000) which left me with some non-blog catching up to do. Next week, we’ll be starting our next Teaching…

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Clinical psychologist, EMDR consultant and yoga teacher in Boulder, Colorado. Author of The Complex PTSD Workbook and EMDR Therapy and Somatic Psychology; writes on trauma, attachment and the nervous system.

• Join me tomorrow, September 5th at 9:00 AM MST for a Vagus Nerve Yoga class live via zoom! We'll focus on vagal tone, stress reduction, and trauma recovery. All classes are donation based. Learn more & register: https://t.co/kPAdAisWDh See you on the mat!

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Reviews sports technology at DC Rainmaker — watches, power meters and bike computers — in exhaustive detail, having tested them himself.

• Massive News: COROS To Add Full Mapping to Pace 4 Watches

  As is always the case in sports tech, September can be full of surprises. But I’m pretty sure nobody had this on their bingo card. COROS has just announced that existing Pace 4 watches will get a firmware update allowing

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Writer and programmer; co-founder of the software studio Postlight and author of the Bloomberg Businessweek essay What Is Code?

• We're doing an event September 15 with the brilliant Julia Stoyanovich of NYU, who is trying to get all these bots under control. NYC, free, snacks! en.wikipedia.org/wiki/Julia_S... luma.com/aboard-qmfz

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Clinical psychologist, EMDR consultant and yoga teacher in Boulder, Colorado. Author of The Complex PTSD Workbook and EMDR Therapy and Somatic Psychology; writes on trauma, attachment and the nervous system.

• There’s still time to join me for Therapeutic Yoga for Trauma Recovery: A Clinical Summit for Mind-Body Healing! 🧘‍♀️Deepen your clinical skills with practical, evidence-based tools you can use with your clients right away. 📅 September 9–10 (Live Online)

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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.

• x.comI'm going to be talking at the Royal Institution on Saturday September 19th. "Explore how our understanding of reality is shaped by missing information, just as much as what is there." Don't forget to get your tickets and to come and say hello:

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• BlueskyI'm going to be talking at the Royal Institution on Saturday September 19th. "Explore how our understanding of reality is shaped by missing information, just as much as what is there." Don't forget to get your tickets and to come and say hello:

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Indian value investor who taught Behavioural Finance and Business Valuation as an adjunct professor at MDI Gurgaon. He writes the Fundoo Professor blog about investing, moats and mental models.

• Apple's market cap was about $351–360 billion when Steve Jobs died. On September 1, 2026, Tim Cook's last day as CEO, it was $4.75 trillion. When Ballmer handed over to Satya Nadella in Feb 2014, Microsoft market cap was about $315B. It’s $3.7 trillion now. Similar outcome with Sam Walton and Wal-Mart. It went the other way with GE and Jack Welch. So, it cuts both ways, and I think the deciding factor is whether the underlying business quality, moat, and capital-allocation discipline survive the transition intact.
  Quoting@menakadoshiThe events at HDFC Bank confirm two of my worst suspicions. One, celebrity founders and CEOs often leave behind a leadership vacuum. As the adage goes, nothing grows under a banyan tree. India is witnessing that more frequently as part of the great handover from post-liberalization leaders to the n…

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Software design writer and chief scientist at Thoughtworks; wrote Refactoring and Patterns of Enterprise Application Architecture.

• Fragments: September 1

  Like many readers, I’m wary of AI generated prose. Simon Wilison has written an LLM cliché highlighter - paste in some text, or a URL, and it will flag various patterns common to LLMs. It references a wikipedia page of…

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Journalist and author of The Art of Noticing; writes the newsletter The Art of Noticing (TAoN) on attention, creativity and the everyday.

• Savor of the Month (21)

  September 2026: Stripes

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Belgian engineering lead, Microsoft MVP and public speaker. Creator of Front Matter, a headless CMS extension for Visual Studio Code.

• On September 3rd, I'm on the Microsoft 365 & Power Platform community call, showing how to bring WebMCP support to your SPFx solution. Let agents interact with your solution the same way a user would. Thursday, 4 PM CEST.

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American author of speculative fiction, including The Paper Menagerie and the Dandelion Dynasty series, and translator of Chinese science fiction. Also a programmer and lawyer.

• The wonderful @fondalee.bsky.social will join me at the Brattle Theatre on September 8, 2026, at 6:00 PM to help me celebrate THE PASSING OF THE DRAGON AND OTHER STORIES. Thank you to the @harvardbookstore.bsky.social for sponsoring the event. Tickets:

  eventbrite.com

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FreeBSD developer and former FreeBSD Security Officer; founder of the Tarsnap online backup service and author of the scrypt key derivation function.

• FreeBSD 14.5-BETA3 is now available: https://t.co/aePfUTX3Or 14.5-RC1 should build on August 28th; if all goes well,14.5-RELEASE will be announced on September 8th.

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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.

• Why September Is the Other January, and How to Take Advantage of This Clean Slate.

  A previous version of this article appeared August 20, 2020 New Year’s Day isn’t the only time for a restart. Back-to-school season, or just getting back to your normal routine after summer, is a terrific time for a fre…

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Art critic, broadcaster and author; wrote on art for The Independent and The Sunday Telegraph and presents BBC art documentaries. Author of Caravaggio: A Life Sacred and Profane.

• I'll be at @BarnesBookFest on the 26th September to discuss Vermeer’s friendships; his ties to a radical underground movement; and the powerful women who shaped both his private life and career. Please join me there!

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Co-founder of WordPress and founder of Automattic; blogs at ma.tt.

• OmFest Registration

  Thank you to everyone who expressed interest in shaping OmFest. We’re still working out some details, but we’ve got a Luma registration page for the event up. Please join on September 29, 2026, Om’s 60th birth anniversa…

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Art critic, broadcaster and author; wrote on art for The Independent and The Sunday Telegraph and presents BBC art documentaries. Author of Caravaggio: A Life Sacred and Profane.

• I'm very excited to have been invited to Gloucester History Festival on the 20th September - and I hope to see you there! https://t.co/9kwJ2iJTr8 @GlosHistFest

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Art critic, broadcaster and author; wrote on art for The Independent and The Sunday Telegraph and presents BBC art documentaries. Author of Caravaggio: A Life Sacred and Profane.

• Come and watch Andy Goldsworthy in Conversation with yours truly at ActOne in September! -

  actonecinema.co.uk

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Art critic, broadcaster and author; wrote on art for The Independent and The Sunday Telegraph and presents BBC art documentaries. Author of Caravaggio: A Life Sacred and Profane.

• If you would like to join me for a day at the NG & BM in September please take a look at the Ticketsource page - but remember you can book directly if you want to avoid the booking fee! (Just email info@andrewgrahamdixon.com)

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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.

• My book — Clearing the Air — is coming out in paperback in September

  And this week you can get 25% off in the UK.

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Art critic, broadcaster and author; wrote on art for The Independent and The Sunday Telegraph and presents BBC art documentaries. Author of Caravaggio: A Life Sacred and Profane.

• London Tour Day! Please join me for a visit to the National Gallery and the British Museum in September.. (and of course, lunch at Locatelli's!)

  ticketsource.com

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Chancellor of Germany since May 2025; leader of the CDU.

• Herzlichen Glückwunsch, lieber @danielpetersMV, zu Deiner Wiederwahl zum Vorsitzenden der CDU Mecklenburg-Vorpommern! Gemeinsam werden wir in den kommenden Wochen für ein starkes Ergebnis für die @CDUMV bei den Landtagswahlen am 20. September kämpfen!

  English, from GermanCongratulations, dear @danielpetersMV, on your re-election as chairman of the CDU Mecklenburg-Vorpommern! Together we will fight for a strong result for the @CDUMV in the coming weeks in the state elections on September 20!

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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.

• BloombergNEF: The Great Clean Energy Acceleration 2.0

  In September 2022, six months after Russia invaded Ukraine and with oil and gas prices around the world soaring, I wrote a piece entitled After Ukraine – the Great Clean Energy Acceleration, predicting that “Things are…

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Founder of Terraform Industries and formerly a physicist at NASA's Jet Propulsion Laboratory; writes about energy, space and manufacturing.

• Australia will run an overt command economy by 2040

  Australia’s Fiscal Point of No Return Last September I wrote about Australian economic stagnation — how taxation past the Laffer curve’s point of peak growth, zero public sector productivity improvement since 2001, and…

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Roboticist; co-founded iRobot and Rethink Robotics, directed the MIT AI Lab, and publishes a scorecard grading his own dated predictions about AI, robots and self-driving.

• A Prophetic Poem about Artificial Intelligence Written in 1961

  In early September a poem about AI started circulating on social media, with a publication date of 1961. At first it just seemed too cute to me and I thought it might be fake, or written by an LLM, passed off as written…

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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.

• I'm orgainizing Claude Code Anonymous - Berlin Edition! September 10

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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.

• The #SalemPrize for 2025 is now accepting nominations until September 15th. www.ias.edu/math/activit... (I am the chair of the Scientific Committee for the prize.) A bit more information in my blog post on this:

  terrytao.wordpress.com

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Investment researcher and engineer who runs Lyn Alden Investment Strategy, writing on macroeconomics, currency systems and equity analysis.

• Bitcoin: A Global Liquidity Barometer

  This research piece on the correlation between measures of liquidity and the price of Bitcoin was compiled and written by Sam Callahan, and commissioned and advised by Lyn Alden. Published: September 2024 Executive Summ…

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Clinical psychologist, EMDR consultant and yoga teacher in Boulder, Colorado. Author of The Complex PTSD Workbook and EMDR Therapy and Somatic Psychology; writes on trauma, attachment and the nervous system.

• Beyond Trauma Retreat: A Guided Journey of Resilience, Hope and Growth

  In-Person Retreat September 19th – 21st, 2025 Trauma affects the best of us, and its effects can linger, limiting your ability to live with joy and abundance. Whether it occurred during a single event or repeated trauma…

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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.

• Net Zero Will Be Harder Than You Think – And Easier. Part II: Easier

  Welcome to the second part of my two-part article exploring the bull and bear cases for the net-zero transition. In September last year, I laid out the bear case, highlighting the Five Horsemen of the Transition that wi…

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General partner at Andreessen Horowitz from 2013 to 2018 and CTO of Coinbase from 2018 to 2019; co-founder of Counsyl and Earn.com. Wrote The Network State (2022), free in full at thenetworkstate.com, and founded the Network School.

• The Network State Conference

  Come to Singapore on September 22, 2024 to build technodemocracy.

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