Juan Ernesto Blog Computer science, physics, math, and pretty much everything else. https://jernesto.com/ 2026-03-09T00:00:00Z Juan Ernesto AI Paranoia: A Conspiracy of Incentives https://jernesto.com/articles/on_ai_tools.html 2026-03-09T00:00:00Z 2026-03-09T00:00:00Z A paranoid take on AI narratives, Hacker News, and the incentive structures behind "helpful" AI tools. I miss thinking hard. https://jernesto.com/articles/thinking_hard.html 2026-02-03T00:00:00Z 2026-02-03T00:00:00Z AI has changed the experience of being an engineer, starving my Thinker side while satisfying the Builder. A journey to scripting Rust: Array Rank Polymorphism https://jernesto.com/articles/rapl.html 2023-03-22T00:00:00Z 2023-03-22T00:00:00Z A library to handle N-dimensional arrays with Numpy-level ergonomics is possible in Rust. Who needs Haskell?, Straight to Rust Hell. https://jernesto.com/articles/who_needs_haskell.html 2022-12-28T00:00:00Z 2022-12-28T00:00:00Z My dream is being able to code with the abstraction level and elegance of Haskell, without all the roadblocks and inefficiencies that comes with it, and maybe Rust is the answer. On-demand learning is ruining the tech industry https://jernesto.com/articles/learning.html 2022-10-10T00:00:00Z 2022-10-10T00:00:00Z The more general is a piece of knowledge the least likely is for you to learn it with on-demand learning. Fractal trees: Recursion, quaternions and optimization. https://jernesto.com/articles/fractal_trees.html 2022-01-26T00:00:00Z 2022-01-26T00:00:00Z More than an article or a blog, this is a journey. A journey without a final destination, other than learning.