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Kai Sassnowski and 3 others

@sassnow.ski
1.9K followers 144 following 918 posts

I build stupid things with code. Writing interactive blog posts (veeeery slowly) at: sassnow.ski

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Kai Sassnowski and 3 others @sassnow.ski · 16/09/2026
I passed :)
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Freya Holmér @freya.bsky.social · 12/09/2026
if you study hard and become good at any given craft, you'll eventually see success unless, of course, it's 2026, and you're on the worst timeline terrytao.wordpress.com/2026/09/11/a...
terrytao.wordpress.com
A Severe Misalignment of AI in Mathematics
I am proud to be among the list of 25 initial signatories — all Fields Medallists — to the declaration below, which grew out of discussions between ourselves over the last week. We have…
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PBF Comics @pbfcomics.bsky.social · 07/12/2024
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zaratustra @zaratustra.bsky.social · 29/08/2026
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Freya Holmér @freya.bsky.social · 28/08/2026
there used to be a strong correlation between seeing neat things online, and the person who made it: 1. is very knowledgeable and passionate about it 2. put love and care into it 3. is getting recognition for it but that trust is now gone, the grifters skipped to step 3, the slop ghouls have won
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Freya Holmér @freya.bsky.social · 28/08/2026
this wave of AI has legitimately killed a huge part of what I loved about seeing stuff online, what I loved about being an educator, and what I loved about sharing my own work I just don't feel like doing it anymore
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Kai Sassnowski and 3 others @sassnow.ski · 26/08/2026
What's making me really sad in the age of AI is that it completely removed this sense of wonder and awe from people's side projects for me. I really miss the "Holy shit, someone's brain actually did that" feeling I used to get. Like, now I see some really impressive projects and just go "eh".
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Kai Sassnowski and 3 others @sassnow.ski · 24/08/2026
I have my first end of semester exam for my math degree on Friday. I'm only mildly panicking. I'll need you to collectively cross your fingers for me 😨
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Kai Sassnowski and 3 others @sassnow.ski · 08/08/2026
Played a grass volleyball tournament today and now my entire lower body is cramping 🥲 Came in 7th out of 32 though so I'm pretty happy 😊
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spencer chang @spencer.place · 06/08/2026
riding the internet subway to recent links people have visited..
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Kai Sassnowski and 3 others @sassnow.ski · 15/07/2026
england
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lynn @chordbug.bsky.social · 24/06/2026
fixed your headline
A hit song on the Billboard 100 charts is termed *$k$-good* if it is _ever_ in a weekly top-$k$, and *$k$-immediate* if it _debuts_ in the top-$k$.


An artist is *$(n,k)$-Olivian* if their $n$ first $k$-good hits are all also $k$-immediate.

*Headline 1.* Olivia Rodrigo is the first $(10,10)$-Olivian woman.
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Sam Rose @samwho.dev · 18/06/2026
I've made a Kubernetes that runs in the browser, and today we're open sourcing it. The hope here is to make super interactive and visual web content about Kubernetes much easier to write, and we have a whole bunch planned this year. Repo: github.com/ngrok/webern... Demo: webernetes-demo.ngrok.app
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Kai Sassnowski and 3 others @sassnow.ski · 18/05/2026
I just found the absolute best picture of me ever taken
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Kai Sassnowski and 3 others @sassnow.ski · 18/05/2026
Linear algebra is cool as shit, y'all 😍
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Kai Sassnowski and 3 others @sassnow.ski · 13/05/2026
In my happy place 😊
A picture of my desk with several math lecture notes open
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Kai Sassnowski and 3 others @sassnow.ski · 13/05/2026
I'm mentoring a lot of junior devs at my current job. By far the most common design advice I give them is to separate the thing that produces a value from the thing(s) that consumes the value. It's incredible how often that ends up massively simplifying the problem space.
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Kai Sassnowski and 3 others @sassnow.ski · 12/05/2026
How it started / how it's going
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Berkeley Mews @berkeleymews.bsky.social · 08/05/2026
Noooo patreon.com/berkeleymews
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Andy Bell @bell.bz · 28/04/2026
this is a fantastic piece by @ky.fyi
ky.fyi
Do I belong in tech anymore?
On quitting, the spread of AI, and the loss of an ideal.
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TKarney @pecunium.bsky.social · 22/04/2026
This is not wrong.
dhuartson:

Don't let anyone talk you out of spending $15 on a new hobby.  That $50 will be the best $400 you ever spent.
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Kai Sassnowski and 3 others @sassnow.ski · 21/04/2026
I always love randomly seeing the things I’ve built in the wild 😊 (in this case utgars-chronicles.app)
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The Unexplored Places @unexploredcast.bsky.social · 18/04/2026
the first of many upcoming Behind the Scenes posts for the new season is up on Patreon now! check it out for our whole spread of virtual notecards from our game of Microscope Chronicle in Appendix A: The Emerald Bloodletting www.patreon.com/posts/155699...
A screenshot of a virtual tabletop containing a large number of white and dark gray notecards with small text on them. The title says "A FEUD... BETWEEN TWO GREAT NOBLE HOUSES. THE EMERALD BLOODLETTING."
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Kai Sassnowski and 3 others @sassnow.ski · 09/04/2026
After reading a lot of mathematical proofs, I've come to the conclusion that every mathematician really wanted to be an English (or in my case, German) professor. Also, the subjunctive is now my best friend.
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Minas Karamanis @minaskar.bsky.social · 30/03/2026
Hey, I wrote a thing about AI in astrophysics ergosphere.blog/posts/the-ma...
ergosphere.blog
The machines are fine. I'm worried about us.
On AI agents, grunt work, and the part of science that isn't replaceable.
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Kai Sassnowski and 3 others @sassnow.ski · 01/04/2026
Today marks the official start of my bachelor's degree in math! I'm beyond excited 😍
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David Aerne @meodai.bsky.social · 28/03/2026
Just released heerich.js, a tiny voxel engine that renders 3D scenes to SVG ╬ Boolean ops ◮ Oblique & perspective 𝑥 Zero dependencies ◌ Pure vector output, infinite scaling Named after Erwin Heerich's geometric cardboard sculptures. meodai.github.io/heerich/ www.youtube.com/watch?v=jndl...
youtube.com
Heerich Website Demo
YouTube video by David
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Twonks @twonks.bsky.social · 25/03/2026
The Jetsons lied to us
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Sam Rose @samwho.dev · 25/03/2026
I spent 2 months learning about quantization and am extremely proud of the post I've written about it. I think these are some of the nicest visuals I've ever made, and I love how this compression technique invented in 1898 is being used on the bleeding edge in 2026. ngrok.com/blog/quantiz...
ngrok.com
Quantization from the ground up | ngrok blog
A complete guide to what quantization is, how it works, and how it's used to compress large language models
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Kai Sassnowski and 3 others @sassnow.ski · 19/03/2026
Even working through only the first few problem sets, I realized how much I love (and missed) chewing through difficult problems. There's something so satisfying about really having to think hard about a problem
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Kai Sassnowski and 3 others @sassnow.ski · 18/03/2026
It has begun! I'm especially looking forward to "Introduction to Imperative Programming" (I had to take CS as a minor) 🙃 At least they're using Go!
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Kai Sassnowski and 3 others @sassnow.ski · 03/03/2026
I just flopped on my bed and took a sip of coke and my fitness band excitedly told that I had just reached my calorie goal for the day. Alright then.
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Inigo Quilez @iquilezles.bsky.social · 01/03/2026
A little shadertoy of my favorite song+film www.shadertoy.com/view/t3cfWf
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Red Blob Games @redblobgames.com · 22/02/2026
I've written up my understanding of SDF and MSDF fonts, and how to use them with msdfgen+webgl: www.redblobgames.com/articles/sdf... (I'll post it on my blog soon too)
Screenshot of five different styles of rendering SDF (signed distance field) fonts
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Kai Sassnowski and 3 others @sassnow.ski · 19/02/2026
@joe.codes Dude, first you play in Vulfpeck without telling me, now you randomly show up on my YouTube frontpage again. You're a man of many talents, Joe. Or should I say NICOLA?!
A screenshot of a YouTube video thumbnail of a man playing guitar that looks suspicously like Joe Tannenbaum
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Kai Sassnowski and 3 others @sassnow.ski · 19/02/2026
My biggest personal annoyance with AI is how no one seems to be building interesting things anymore that aren't AI-related. There's really only a handful of accounts left that I follow which feel like the pre-AI hacker space I used to love.
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Kai Sassnowski and 3 others @sassnow.ski · 13/02/2026
So I tried Vegemite for the first time recently and have a question for all my Australian friends: this is a giant practical joke y’all play on the rest of the world, right?
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Kai Sassnowski and 3 others @sassnow.ski · 12/02/2026
Diablo 2 just got a new expansion. The world is healing.
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Kai Sassnowski and 3 others @sassnow.ski · 08/02/2026
I'm just gonna leave this here: www.youtube.com/watch?v=E25-...
youtube.com
Longsword Profight: Armored MMA
YouTube video by ARMORED MMA
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Kai Sassnowski and 3 others @sassnow.ski · 04/02/2026
I swear, drawing that stupid square at the end of a mathematical proof has got to be the most satisfying thing ever.
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Andy Young @anerdguy.now · 01/02/2026
I am happiest and proudest of my work when I am building things for other developers. I'd love to begin contributing to a meaningful, open source project, but I'm not sure where to even start.
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Kai Sassnowski and 3 others @sassnow.ski · 29/01/2026
My maths studies start on April 1 (no, seriously) and I'm unbelievably excited for it!
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Kai Sassnowski and 3 others @sassnow.ski · 13/01/2026
If you would've told my 16 y/o self that at 35 I would get up at 4am so I can get in 2 hours of math studying before I head to work (and genuinely looking forward to that), I would've told you to lay off the cocaine for a bit.
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Kai Sassnowski and 3 others @sassnow.ski · 10/01/2026
I’m afraid I got into coffee as a hobby. RIP my wallet
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Kai Sassnowski and 3 others @sassnow.ski · 07/01/2026
My preferred way of translating technical terms I only know in English into German: go the term's Wikipedia page and then switch to the German page
A cropped screenshot of the Wikipedia page for "Continuous function" with the Wikipedia language switcher openThe German Wikipedia page for "Continuous function" called "Stetige Funktion"
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Kai Sassnowski and 3 others @sassnow.ski · 05/01/2026
"Which is dope"
Handwritten mathematical notes demonstrating Boole's Expansion Theorem (Shannon Expansion). The page shows the theorem definition where a boolean function f(P,Q,R,...) is decomposed into two cases based on variable P, followed by a worked example expanding f(A,B,C) = (A∨B)∧(¬A∨C) on variable A, with step-by-step algebraic derivation concluding that the original expression equals (A∧C)∨(¬A∧B). The notes end with the conclusion "Which is dope"
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Kai Sassnowski and 3 others @sassnow.ski · 03/01/2026
Working through math textbooks is something else. I've been reading this book for ~3 weeks now and I'm on page ... *checks notes* ... 15 (of ~400) and have written about as many pages of notes myself. Weirdly, I'm actually really enjoying the process of having to go this slow.
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Sam Rose @samwho.dev · 16/12/2025
New post! ✨ Prompt caching ✨ My first big project post for @ngrok.com. 5 weeks, 12217 lines of code, 195 commits. I poured a lot into this one, and learned a lot in the process. I really hope you enjoy it ❤️
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Freya Holmér @freya.bsky.social · 16/12/2025
"save systems should dynamically handle object IDs and automatically populate the serialized data of every object that requires save states, and then for dialogue progression it needs to-" team cherry: WRONG. 1400 hardcoded fields in PlayerData.cs
a bunch of very specifically named hardcoded boolean fields in a single script representing the entire save state of the game
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Kai Sassnowski and 3 others @sassnow.ski · 17/12/2025
CS/math/science books but they're just the cover with a block of styrofoam in the middle. You know, like at IKEA. That way, you can seem super educated to your friends and on Zoom calls. It's not like you were gonna read them anyway.
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