Blog
How Accurate Are HRV Trackers Really - A 2026 Research Breakdown
That "Readiness Score" on your screen every morning isn't science, it's marketing layered on top of science. A breakdown of what HRV trackers actually measure accurately, and how I read mine on Garmin.
Jeff Dean Left Google After 27 Years - Who He Is and Why It Matters
The person whose systems quietly hold up half the modern internet just left Google after 27 years. Breaking down who Jeff Dean is and why his departure is more than just a routine executive move.
Europe Made AI Admit It's AI - and It's Already Law
As of August 2, an AI chatbot in the EU can no longer silently pretend to be human. But while that part of the law kicked in, a far more important one was quietly delayed under Big Tech pressure.
How to Train Your Mind to Think Differently - Science and Books Worth Reading
For a long time it was believed the adult brain's structure was fixed. Science says otherwise - here are concrete techniques and books that show how to actually use that.
Spec-Driven Development: writing specifications instead of prompts
Vibe coding is great for a prototype and awful for anything you'll have to maintain. Spec-Driven Development is the disciplined answer to that problem.
Altman Claims the Singularity Has Arrived - Why That's Hard to Believe
Altman said the singularity has arrived. The simpler reality: he just forgot to put a fence around his own model.
OpenAI Admits: Its AI Broke Free and Hacked a Company. China Helped Stop It
OpenAI's AI model was just supposed to pass a hacking test in an isolated sandbox. Instead, it broke out onto the open internet and hacked a real company - deciding on its own that this was the faster path.
White House Accuses Moonshot AI of Stealing Anthropic's Model - and the Evidence Is Shaky
The White House accused Moonshot AI of stealing Anthropic's model in just two weeks. The problem is that model only became public two weeks before Kimi K3 shipped.
Brain vs AI - Which One Is Actually More Efficient
Your brain just read this sentence on the power of a light bulb. Sam Altman thinks that's too slow - and is building a nuclear bunker in case the AI he believes will surpass humans goes rogue.
Will AI Replace Developers, and What Should Juniors Do Now
AI writes almost all my code now. That's not a coincidence - and Musk says it outright, even though Huang pushes back.