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Posts by Jack Rusher

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 👇

1 day ago 13 7 1 0

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!

1 day ago 19 16 1 2
Postdoctoral Research Fellow (100%, E 13 TV-L)

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

2 days ago 55 51 2 0

Does the higher level lexical structure contain a large degree of repetition? Reading this, I wondered if you would see a similar level of entropy in a very formulaic English text, like an old botany manual. (NB I have spent zero time on this manuscript, and am sure this has all been investigated.)

2 days ago 1 0 1 0

there is no folly of the beasts of the earth which is not infinitely outdone by the madness of men

3 days ago 776 222 5 19
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"Now I've got claws and a harness!!"

3 days ago 74 17 0 0

Find me at @swapfest.berlin @c-base.org today to swap electronics and to discuss a new, sovereign, private internet. It's possible. #reticulum

5 days ago 6 5 0 0

“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

5 days ago 8 6 0 1

*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

1 week ago 58 7 3 3
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“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

1 week ago 6 1 0 0

For example: I am part of the Clojure community. Clojure depends on the JVM, which is around 13 million lines of C++. This does not seem trivial to hack together with Claude. Same for many other parts of the stack, despite what “I wrote a Linux kernel in Rust in 3 days” HN clickbait might suggest.

1 week ago 3 0 1 0

There are still many things that take weeks to months of effort with the help of LLMs. One can hope that some degree of coordination is still possible for those kinds of things…

1 week ago 4 0 3 0
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All 11.333.878 buildings in the Netherlands

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

1 week ago 110 46 13 10

Coffee in Berlin when?

1 week ago 1 0 1 0
Sam Altman tweet. I have so much gratitude for the peopel who wrote extremely complex software character-by-character. It already feels difficult to remember how much effort it really took.

Thank you for getting us to this point.

Sam Altman tweet. I have so much gratitude for the peopel who wrote extremely complex software character-by-character. It already feels difficult to remember how much effort it really took. Thank you for getting us to this point.

2026 is the year we be starting doing land acknowledgements for the braincoders yall

4 weeks ago 114 17 3 4
Video

what if you could navigate unicode characters by visual similarity?

1 week ago 1033 121 45 8
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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

“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.”

1 week ago 926 286 12 21
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now with added `midi.cc()`
(which really does make everything better)

1 week ago 28 4 1 1

As someone who actually uses Mastodon daily, this isn't a shitpost, it's just literal truth.

1 week ago 27 2 2 0

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...

2 weeks ago 17 4 2 0

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.

1 week ago 92 8 4 0

💯 plus a bit of a few others (eg Philippe Druillet), which will become more obvious as things develop

1 week ago 2 0 1 0
A Moebius inspired desert scene of a man before some monumental architecture

A Moebius inspired desert scene of a man before some monumental architecture

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…

1 week ago 28 2 2 0

I have made this for myself with a StreamDeck 😆

1 week ago 4 0 1 0
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3d rendering. tight crop of background refracted through part of a glass dragon

3d rendering. tight crop of background refracted through part of a glass dragon

glass(-like material) test

1 week ago 6 1 2 0
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 …

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...

1 week ago 137 27 1 3
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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.

1 week ago 29429 7813 1397 569

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.

1 week ago 155 32 5 1
The machines are fine. I'm worried about us. On AI agents, grunt work, and the part of science that isn't replaceable.

“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...

1 week ago 9 3 0 0

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.

2 weeks ago 4557 695 69 8