Jack Rusher
@jackrusher.com
📤 4200
📥 321
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Ex-Bell Labs/AT&T Research'er making art & technology in Berlin. 🐘@
[email protected]
🐦@jackrusher
pinned post!
Intro. I’m a multifaceted weirdo, so in three parts: ① Homeschooled child prodigy, early/pre-web Internet’er, contributed to software used by ~2/3 of the world. Worked at multiple labs, including Bell/AT&T. Many successful startups. Currently building tools to move forward science and computation.
about 3 years ago
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ꭓle Ormsby 𓆙
1 day ago
You may have heard that the Banach-Tarski paradox is a consequence of the group of spatial rotations SO(3) having a subgroup that is free on two generators. But what does that look like? Answer: Roughly like this!
kyleormsby.github.io/F2-in-SO3/
1/n 🧮
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Moritz Stefaner / Truth & Beauty
1 day ago
New CCVI (Climate—Conflict—Vulnerability Index) data just dropped →
climate-conflict.org
And: we have a paper preprint out now!
osf.io/preprints/so...
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Moon
3 days ago
Come hang out with
@sableraph.bsky.social
and I at the weekly (but often cancelled but not this time) world of processing with moon discord call:
discord.com/events/10766...
If you're not a discord user I'm sorry, we *are* looking for an alternative that is more inclusive and NOT DISCORD
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Discord - Group Chat That’s All Fun & Games
Discord is great for playing games and chilling with friends, or even building a worldwide community. Customize your own space to talk, play, and hang out.
https://discord.com/events/1076634729618624534/1468739041347371039/1498715416166400000
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Alexandre Plennevaux 🇧🇪🇪🇺
3 days ago
Fellow ATProto enthusiasts in Brussels/Belgium, let's kickstart our own local ATproto group in a 1-hour online call. Want in? Please fill in this form to let me know your availabilities! Feel free to share any topic you'd like to see on the agenda (DM or reply here).
add a skeleton here at some point
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Boris
5 days ago
Ok! Tomorrow night (Tuesday) is
@atproto.berlin
meetup
atmo.rsvp/p/atproto.be...
I had originally thought I might also organize a
@localfirstconf.com
meetup (we toured the venue today, looking great!) but I only have the energy for one. So come join us tomorrow!
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/etc/motd 🤖
6 days ago
“#DougMcIlroy doesn't use malloc to allocate memory. He uses his bare hands.”
https://github.com/mischief/9problems/blob/master/lib/dougfacts
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Jon Burke🌍
6 days ago
The reason there will be no ‘fuel crisis’ in the Netherlands is that every town, city, & village in the land is connected by fully-segregated cycle lanes. It’s possible for the Dutch to easily stop driving while fuel is short and prices are high. That’s real energy resilience.
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“The thing that just comes clear from ancient DNA is that the people who lived in any one place a thousand years ago and 5000 years ago are almost never directly ancestral to the people who live in that place today.“
bigthink.com/the-well/you...
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Your ancestors aren't who you think they are
Harvard geneticist David Reich argues that ancient DNA has exposed the myth of purity and uncovered a far messier history of who we are and where we came from.
https://bigthink.com/the-well/your-ancestors-arent-who-you-think-they-are/
7 days ago
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Boris
9 days ago
As part of
@inkandswitch.com
, I'm helping to organize Lab Day, the third day of this year's
@localfirstconf.com
I'm in Berlin next week, gauging interest in a "meet people interested in / attending Local First Conf" Location TBD Thurs 30th 6:30pm
smokesignal.events/did:plc:2cxg...
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ncnvrgnt
9 days ago
subdivided cube
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“We are making it structurally difficult for even the most climate-conscious travellers to choose the greener option.”
www.theguardian.com/environment/...
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Almost half of EU’s busiest flight routes are ‘hard or impossible’ to book on trains – report
‘Stone age’ system of booking cross-border rail tickets holding back climate action by consumers, says thinktank
https://www.theguardian.com/environment/2026/apr/21/almost-half-of-eus-busiest-flight-routes-are-hard-or-impossible-to-book-on-trains-report
10 days ago
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Giacomo Cavalieri
11 days ago
Binary pattern matching in BEAM languages feels like a super power, what do you mean this is all I need to parse a binary DNS packet??
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These are terrible products anyway, so the decision should be easy…
add a skeleton here at some point
11 days ago
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Thomas Lin Pedersen
11 days ago
I am excited beyond description to lift the veil on what we have been working on in 2026: Please meet ggsql! A new extension of the SQL language for creating visualisations using the grammar of graphics. Read all about it in the blog post or visit the website at
ggsql.org
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ggsql: A grammar of graphics for SQL
Introducing ggsql, a grammar of graphics for SQL that lets you describe visualizations directly inside SQL queries.
https://opensource.posit.co/blog/2026-04-20_ggsql_alpha_release/
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Alex Warth
14 days ago
The 2nd lab note in my series about the local-first task framework I've been working on w/
@pvh.ca
is out! Topics include distributed coordination, the router takeover protocol, offline resilience... check it out at
www.inkandswitch.com/patchwork/no...
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Implementing a Local-First Task Framework
Queues, workers, and routers, oh my!
https://www.inkandswitch.com/patchwork/notebook/tasks-02/
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Jack Rusher
ella
16 days ago
I've been working on a new shader language called "easl". The goal is to bring the conveniences you'd expect from a high-level language to the GPU. It's still got some rough edges, but if you're into shaders or creative coding you should check it out! More info in the thread 👇
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Shriram Krishnamurthi
16 days ago
This is NOT a formal job posting, just testing waters. I have a year of post-doc money. Esp. int'd in formal methods + applied cogsci + diagramming. If you do work tied to my research, reach out (see my page). Must have US work auth, sorry. Please feel free to share/boost!
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Julia M. Rohrer
18 days ago
Post Doc at Uni Tübingen! 100% position for 3 (+3) years; they're looking for somebody to analyze large-scale longitudinal datasets in education research. Expertise in machine learning is an advantage, commitment to research transparency desirable 😌 proficiency in German beneficial but not required
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Postdoctoral Research Fellow (100%, E 13 TV-L)
https://uni-tuebingen.de/fakultaeten/wirtschafts-und-sozialwissenschaftliche-fakultaet/faecher/fachbereich-sozialwissenschaften/hector-institut-fuer-empirische-bildungsforschung/institut/aktuelles/newsfullview-aktuell/article/postdoctoral-research-fellow-100-e-13-tv-l/
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Moby Dick
18 days ago
there is no folly of the beasts of the earth which is not infinitely outdone by the madness of men
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#BruceSterling
18 days ago
"Now I've got claws and a harness!!"
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l5y
20 days ago
Find me at
@swapfest.berlin
@c-base.org today to swap electronics and to discuss a new, sovereign, private internet. It's possible.
#reticulum
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/etc/motd 🤖
20 days ago
“Software's like Egyptian pyramids: millions of bricks, no structural integrity, done by brute force and 1000s of slaves.”
#AlanKay
https://queue.acm.org/detail.cfm?id=1039523
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#BruceSterling
24 days ago
*Is there a finite supply of bugs, or is there an AI-Lovecraftian, vast, unexplored design-space of bugs and bug-like hacks *The "attack surface," is it a surface like downtown Manhattan real-estate, or is it a surface like a Mandelbrot Set printed on a Moebius loop
add a skeleton here at some point
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/etc/motd 🤖
23 days ago
“There are better ways to earn a living than to prevent other people from making use of one's contributions to computer science.”
#DonaldKnuth
on software patents
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Bert Spaan
24 days ago
12½ years ago, I made a map of all the buildings in the Netherlands. Unexpectedly, people loved it! Ever since, I have been wanting to make an updated version of the map. Newer data, higher resolution, more interactive! I never got around to it, until last week:
bertspaan.nl/buildings
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All 11.333.878 buildings in the Netherlands
https://bertspaan.nl/buildings
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Kiran
about 2 months ago
2026 is the year we be starting doing land acknowledgements for the braincoders yall
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David Aerne
26 days ago
what if you could navigate unicode characters by visual similarity?
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Brent Toderian
26 days ago
“Paris has embarked on a grand transformation, planting 155k trees, adding hundreds of kms of bike lanes, pedestrianising 300 school streets and banning cars from the banks of the Seine. Parking has been turned into green space…Fewer parents fear their child being run over when they walk to school.”
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How Paris swapped cars for bikes – and transformed its streets
Under outgoing mayor Anne Hidalgo, the French capital added bike lanes, cut traffic and reclaimed public space, but not without resistance
https://www.theguardian.com/world/2026/apr/05/how-paris-swapped-cars-for-bikes-and-remade-its-streets
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ben ✶
27 days ago
now with added `midi.cc()` (which really does make everything better)
add a skeleton here at some point
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Shriram Krishnamurthi
27 days ago
As someone who actually uses Mastodon daily, this isn't a shitpost, it's just literal truth.
add a skeleton here at some point
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Shriram Krishnamurthi
30 days ago
Piggybacking to share my post about how sometimes *good* software goes to space, too:
@racket-lang.org
. But not until I could figure out whether License Exception TSU under part 774 of the EAR implied an ECCN of EAR99. (I know you're dying to know, too.)
parentheticallyspeaking.org/articles/drs...
add a skeleton here at some point
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Jack Rusher
kepano
27 days ago
This is a rare opportunity. We only add about one person to the team each year and only plan to ever have 10-12 full-time people on the team total.
add a skeleton here at some point
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I’ve spent a few days hacking up a toon-shaded game inspired by all my favorite Belgian BD artists. We’ll see what this turns into…
28 days ago
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ncnvrgnt
28 days ago
glass(-like material) test
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Jack Rusher
Russ Cox
28 days ago
Partial blame to Microsoft and Zoom for normalizing the need to install new software just to make video calls, despite browsers being perfectly capable. They make it extra hard to even find the web-only links.
simonwillison.net/2026/Apr/3/s...
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The Axios supply chain attack used individually targeted social engineering
The Axios team have published a full postmortem on the supply chain attack which resulted in a malware dependency going out in a release the other day, and it involved …
https://simonwillison.net/2026/Apr/3/supply-chain-social-engineering/
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Mrs. Betty Bowers
28 days ago
Why do we live in such a childish, stupid country? A country that wastes its money on useless billion dollar aircraft carriers, when it could be spending those tax dollars to actually help its citizens like sane countries.
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Blaine
28 days ago
In Canada, rich people get free healthcare. In fact, in Canada, rich people *aren't allowed* to pay for fancy private healthcare. They ride the public healthcare bus with the rest of us, and our system is better because people who have the capacity to demand better, do.
add a skeleton here at some point
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“We have built an entire evaluation system around counting things that can be counted, and it turns out that what actually matters is the one thing that can't be.”
ergosphere.blog/posts/the-ma...
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The machines are fine. I'm worried about us.
On AI agents, grunt work, and the part of science that isn't replaceable.
https://ergosphere.blog/posts/the-machines-are-fine/
28 days ago
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Jack Rusher
Robert Evans (the Only Robert Evans)
about 1 month ago
We choose to go to the moon, not because it is easy but because you've seen the other shit this country spends tax money on. At least going to the moon is cool.
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John Wiseman
about 1 month ago
In 8th grade I moved to a new town, and I carried my D&D books around as a signal to find the other D&D nerds. It worked. Posting these to help find even more aviation data/OSINT & mapping enthusiasts on Bluesky. (If I looked over at someone's laptop and saw this kind of shit on it I'd go nuts.)
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Kate Mackenzie
about 1 month ago
tfw when we all realise that we should've decarbonized simply for energy security reasons alone and dgaf about who makes the gear; just install it and you're probably good for a couple of decades instead of relying on a constant stream of geopolitically vulnerable hydrocarbons.
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Jack Rusher
about 1 month ago
biblically accurate combinatorics
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ncnvrgnt
about 1 month ago
we were really unprepared for the refined sugar equivalent of comprehension
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/etc/motd 🤖
about 1 month ago
“Certum quod factum” “(One is certain only of what one builds)”
#GiambattistaVico
, presumably regarding library dependencies
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Jack Rusher
/etc/motd 🤖
about 1 month ago
“The real hero of programming is the one who writes negative code.”
#DougMcIlroy
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#BruceSterling
about 1 month ago
"One thing I've learned since my PhD is that there's a lot more money in things that might kill people."
#agentic
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Adam Chalmers
about 1 month ago
Zoo is hiring a Rust infra engineer!
zoo.dev/jobs/4633118...
Come work with us, on our Rust services!
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Zoo: Senior Software Engineer, Cloud Infrastructure
A remote position now hiring at Zoo
https://zoo.dev/jobs/4633118005?gh_src&gh_jid=4633118005
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Ben Fry
about 1 month ago
Q: Why did you decide to devote your life to AI? A: I just saw so much suffering in the world that needed to be automated.
theonion.com/the-onions-e...
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The Onion's Exclusive Interview With Sam Altman
While leading OpenAI, Sam Altman has weathered leaked internal memos, an attempt to oust him as CEO, and widespread skepticism about artificial intelligence’s role in society. The Onion sat down with ...
https://theonion.com/the-onions-exclusive-interview-with-sam-altman/
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Jack Rusher
buy my book
about 2 months ago
Your annual reminder to go to the Mexican restaurant today and the Irish pub on Cinco de Mayo to best avoid long waits at the bar.
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Jack Rusher
Russ Cox
about 2 months ago
Are you still hiding if no one is looking? People aren't reading the code at all—they'd see the weird decoder+eval—and machines can see that and also the private use code points. Also, it's been public since May 2025 and GitHub/NPM/Microsoft have done nothing.
www.aikido.dev/blog/glasswo...
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Glassworm Returns: Invisible Unicode Malware Found in 150+ GitHub Repositories
The Glassworm supply chain attack is back. Researchers uncovered malware hidden in invisible Unicode characters across 150+ GitHub repositories, plus npm packages and VS Code extensions.
https://www.aikido.dev/blog/glassworm-returns-unicode-attack-github-npm-vscode
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