I found a Vulnerability. They found a Lawyer
I’m a diving instructor. I’m also a platform engineer who spends lots of his time thinking about and implementing infrastructure security. Sometimes those two worlds collide in unexpected ways. A Sula sula (Frigatebird) and a dive flag on the actual boat where I found the vulnerability – somewhere off Cocos Island. While on a 14 […]
Testing Super Mario Using a Behavior Model Autonomously
Autonomous testing is one of the most powerful approaches for exploring vast state spaces in complex systems. Rather than manually writing test cases for every scenario, autonomous systems can systematically explore millions of states, discovering edge cases that human testers would never think to check. In this two-part follow-up, we’ll continue the Super Mario Bros. […]
Facebook is absolutely cooked
And I don’t just mean that nobody uses it anymore. Like, I knew everyone under 50 had moved on, but I didn’t realize the extent of the slop conveyor belt that’s replaced us. I logged on for the first time in ~8 years to see if there was a group for my neighborhood (there wasn’t). […]
Blue light filters don’t work
Everybody wants better sleep, but getting better sleep is hard. I was trading New Year’s resolutions with a circle of friends a few weeks ago, and someone mentioned a big one: sleeping better. I’m a visual neuroscientist by training, so whenever the topic pops up it inevitably leads to talking about the dreaded blue light […]
Making frontier cybersecurity capabilities available to defenders
Claude Code Security, a new capability built into Claude Code on the web, is now available in a limited research preview. It scans codebases for security vulnerabilities and suggests targeted software patches for human review, allowing teams to find and fix security issues that traditional methods often miss. Security teams face a common challenge: too […]
F-Droid: ”Keep Android Open”
This Week in F-Droid TWIF curated on Friday, 20 Feb 2026, Week 8 F-Droid core During out talks with F-Droid users at FOSDEM26 we were baffled to learn most were relieved that Google has canceled their plans to lock-down Android. Why baffled? Because no such thing actually happened, the plans announced last August are still […]
Lil’ Fun Langs
LOC Host HM ADTs Match Cl. Target Hirrolot’s CoC src ~70 OCaml ✗ ✗ ✗ ✓ Interpreter Harrop MiniML src ~100 OCaml ✗ ✗ ✗ ✗ LLVM → native Algorithm W src ~300 Haskell ✓ ✗ ✗ ✗ Type checker only tomprimozic/type-systems src ~300 OCaml ✓ ✗ ✗ ✗ Type checker only THIH src ~429 […]
Legion Health (YC) Is Hiring Cracked SWEs for Autonomous Mental Health
Founding Engineer | 👨🏻💻 AI-Native Mental Health Care (backed by Y Combinator, $3.3M+ ARR, $7M+ raised) @ Legion Health You need to enable JavaScript to run this app.
No Skill. No Taste
Ironic image generated with nano banana to showcase my point. I was reading a thread on HN and I started writing this super long comment and rewriting and editing and thought, hey, if I’m doing this I clearly care enough about the state of Show HN and HN in general to write a post on […]
Trump’s global tariffs struck down by US Supreme Court
Daniel BushWashington Correspondent The Supreme Court’s tariff ruling today dealt Donald Trump a major setback on one of his signature economic issues. But it doesn’t mean Trump’s trade agenda will suddenly disappear overnight. The Court ruled that the US president does not have the authority to levy sweeping global tariffs on any country, for any […]