I built a fun little Mac app called "Outer Loop". It's a specialized web browser that is aware of SSH. It's good at connecting to web apps running on private servers. Use it for Tensorboard, Jupyter, etc. Download it at outerloop.sh

New blog post: "Smooth Pursuit, and how Screens Don't Mimic Reality" Your brain makes clever use of smooth eye movements. This works in the real world, but it fails on screens. probablymarcus.com/blocks/2025/...

New post: The web could use machine code probablymarcus.com/blocks/2025/... If AI code generation is coming, then it's time to move away from the "write once, run everywhere" web.

New blog post. I tried something new, got good results, and learned some surprising nuances of GPU programming. probablymarcus.com/blocks/2023/...

Just realized that 4 of my last 5 blog posts end with variations on the same idea. Apparently I'm on team "Give people tools that encourage them to become experts"