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20 September
Co-creator of Django and creator of Datasette; writes daily at simonwillison.net.
19 September
American science fiction novelist (Old Man's War, Redshirts, The Kaiju Preservation Society); has run the blog Whatever since 1998.
Yeah, I've been a tech nerd for decades but all the "AI" stuff really does feel like "Sooooo we're taking a type of computation that's actually bad at most things and putting it in a whole bunch of stuff to make it work worse because... if we don't the whole economy's going to crash or something?" Quoting @chriswarcraft.bsky.social I like to consider myself an “enthusiastic tech realist,” and currently we’re being sold magic beans Related
Mathematical physicist at UC Riverside. Wrote This Week's Finds in Mathematical Physics and now the Azimuth blog on mathematics, physics and environmental science.
A vector looks like an arrow; anyone studying math or physics in college learns about these. Bivectors are important too - though less widely taught. You can create a bivector by taking the 'wedge product' u ∧ v of two vectors u and v, and you can visualize this as the parallelogram shown at left here. But in fact, an ellipse or any other flat surface with the same area lying in the same plane is just as good a picture of this bivector. Further, you can add bivectors, so there are bivectors like u ∧ v + w ∧ z that you can't picture as just a single surface. Thus, you need to be good at the al… Related
18 September
Creator of Ruby on Rails, CTO of 37signals, and creator of Omarchy.
I just keep getting nerd mogged by @tobi in the BEST POSSIBLE WAY! 🤩 Quoting @tobi Our house in Toronto had this fancy glassed wine cellar, but we are not big wine drinkers. Anyways, it had good climate control so here is my rack cellar. Related
17 September
Co-creator of Django and creator of Datasette; writes daily at simonwillison.net.
open source
Their words
Any piece of software that depends on open source (which is almost every piece of software) has a network of human beings who are potential attack vectors - everyone with publishing rights to any of the packages in the dependency network for that software.
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simonwillison.net
11 September
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.
Founder of Farnam Street (fs.blog) and host of The Knowledge Project podcast. Writes and curates on decision-making, mental models and rational thinking.
I did another podcast with @tobi. We ended up kinda just geeking out on AI for hours. The members' cut is out: https://t.co/iMzgh5t4aW ... I am worried this episode might be a little too nerdy for everyone, but the feedback from early listeners seems to be: 'This is the best podcast of the year; I need to listen more than once; and I am so far behind on AI.' The public release is Tuesday, and it's a little less in the weeds, but if you want the nerd edition, get the members' cut. Related
3 September
Software entrepreneur who bootstrapped and sold FeedbackPanda and now builds Podscan; writes The Bootstrapped Founder.
First thing this morning, pre-coffee, btw, I just yapped this prompt into my Claude Code session. 20 minutes later, after running a few diagnostic SQL queries on a prod replica, a 15min+ query is now running in 375ms. Hook up your APM and error trackers, y'all. Anthropic Related
26 August
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.
Few people care more about performant code than @cmuratori.bsky.social. Casey is a down-to-earth programmer, game dev, performance nerd. A refreshing episode about why the basics (still) matter, and why learning to read Assembly remains useful for anyone who cares about performance: (cont'd) Related
Software engineer who writes the blog Made of Bugs about performance, debugging and understanding computer systems. Previously worked at Anthropic on interpretability, at Stripe on Sorbet, and at Ksplice.
24 August
Latvian full-stack WordPress developer and course creator at WPElevator; blogs since 2007 about the open web, electronics, home automation and sustainable living.
During the weekend I built a contextual search tool for a photo library with 42k images across 2.8k galleries. The results are amazing! Turns out the AI models that generate embedding vectors from images directly are BAD at capturing the image contents, so I had to first generate captions and then generate the embeddings for the captions instead. Total cost: $30 for both captions (gpt-5-mini) and embeddings (text-embedding-3-large with 3072 dimensions). OpenAI Related
15 August
Programmer and designer who writes at tonsky.me; author of Fira Code, DataScript and AnyBar.
15 July
Programmer on the Dart language at Google and author of Game Programming Patterns and Crafting Interpreters; previously a game developer at EA.
New nerd knuckle tattoo idea: C T O R D T O R Related
10 July
Indonesian software engineer, educator and engineering manager at Zero One Group; open-source enthusiast writing at ripandis.com.
25 June
Emeritus Professor of Statistics at the University of Cambridge, former president of the Royal Statistical Society, and author of The Art of Statistics.
I am beside myself with joy that The Art of Uncertainty is out in paperback today! Fits in any (largish) pocket, easy to read on the train or while jammed into a steaming underground carriage. The perfect present for the nerd in your life. amazon.co.uk
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11 May
Founding member of OpenAI and former director of AI at Tesla; creator of nanoGPT and the term "vibe coding".
This works really well btw, at the end of your query ask your LLM to "structure your response as HTML", then view the generated file in your browser. I've also had some success asking the LLM to present its output as slideshows, etc. More generally, imo audio is the human-preferred input to AIs but vision (images/animations/video) is the preferred output from them. Around a ~third of our brains are a massively parallel processor dedicated to vision, it is the 10-lane superhighway of information into brain. As AI improves, I think we'll see a progression that takes advantage: 1) raw text (hard… LLMs Related
13 March
Swedish essayist who writes Escaping Flatland, a newsletter of essays on relationships, thinking, writing and homeschooling.
everything you put online is a search query Related
1 January
Founder and CEO of SaaStr, the B2B software community and events business, and a SaaS investor who previously co-founded EchoSign and sold it to Adobe.
Their words
you've got to promote someone internally. It's got to be a nerd, someone that likes marketing and sales and is quant.
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youtube.com
26 December 2025
Software engineer at PlanetScale and creator of the vim-go plugin. Writes at arslan.io about Go, tooling, industrial design and books.
Their words
I really enjoyed it, and it gave me a very different view of the coffee world. Definitely worth reading if you're into coffee.
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arslan.io
26 November 2025
Writer of kottke.org, one of the oldest blogs on the web, published since 1998 and supported by its members. He writes about art, technology, science, design and visual culture.
Their words
Shopkeeping by Peter Miller. This was recommended from a couple of different vectors — pretty sure one was Robin Sloan. Lots of resonance to my work here and how I think about it (and want to think about it). (A-)
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kottke.org
3 November 2025
Co-founder of Panic, the Portland software company behind Transmit, Coda, Nova and the Playdate handheld console.
Started goofing around with mesh radios. Delighted to discover the tech immediately bifurcated into a slapfight between two competing protocols as per the ancient and sacred nerd traditions. Not having much luck with either of them to be honest. I can see lots of #meshtastic nodes from my home, but can't reliably communicate with any of them, and public channel is mostly silent. Not enough #meshcore coverage in my area for a fair try. Anyone else meshing in Portland? Related
22 October 2025
Programmer on the Dart language at Google and author of Game Programming Patterns and Crafting Interpreters; previously a game developer at EA.
For anyone in the market for some nerd knuckle tats: P E E K — P O K E E X P R — S T M T P R E D — S U C C T H E N — E L S E Related
12 February 2025
Medieval historian at the LSE; writes Going Medieval and The Middle Ages: A Graphic History, and spends a lot of it correcting what people think the period was like.
On what we choose to remember The other day I had the pleasure of ducking into the Temple Church here in London. I’ve been by a number of times, but never actually in, and so I was looking forward to being a little history nerd in a cool old space.…
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3 February 2025
Founder and chief analyst of SemiAnalysis; reports on semiconductor supply chains, AI datacentre economics and what the chip export controls actually do.
America government
Their words
FLOP is the vector that the government has cared about historically, but the other two vectors are arguably just as important. And especially when we come to this new paradigm, which the world is only just learning about over the last six months: reasoning.
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youtube.com
12 September 2024
Writer and author of All the Wrong Moves; his newsletter covers meditation, relationships and creativity, and he co-runs a perfume line.
Their words
Now I have an answer for this query: El Dorado. The funny thing is that "rain smell" isn't what we set out to do, or even the main point of this perfume.
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sashachapin.substack.com
19 June 2024
Co-founder and CEO of Perplexity, an AI answer engine; previously a research scientist at OpenAI and a PhD student at UC Berkeley.
Google
Their words
We would rather take a more dramatic position, that the best way to actually make a dent in the search space is to not try to do what Google does, but try to do something they don’t want to do. For them to do this for every single query is a lot of money to be spent, because their search volume is so much higher.
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youtube.com
1 December 2023
American front-end engineer and design-systems specialist; built the Pantsuit design system for Hillary for America and has worked at Slack and IBM.
Their words
Coding Font - CaskaydiaCove by Nerd Fonts
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mina.codes
20 July 2022
Front-end developer and writer on Svelte, Vue, CSS and WordPress; blogs at joshcollinsworth.com.
Nothing matches. Show everything
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 .
Under a name here, the quoted block is what they actually said.
The korrent beneath it is the claim those words support, in
korrents' wording — tap it to see the record, its source, and who
else holds it.
Nobody here wrote their own korrents. They are compiled from public
statements, and a person can change their mind, which is recorded too.
Got it
About the English under a post
Some people here publish in a language other than English. Where they
do, this site shows a machine translation beneath the post, in
this typeface — the site's own, not theirs.
The post itself is never changed, moved or hidden: what is set in the
serif above is exactly what the person published, and it is what to
quote them on. A translation can be wrong in ways that matter,
especially about tone.
Only the post's own words are translated. A quoted post, a linked
article and a belief on korrents.com
are left in their original language.
Got it