# Ibrahim Rayamah > Ibrahim Rayamah is an engineer who writes about AI, economics and the long history behind how the world ended up this way. Essays, notes and open source projects. Topics: Artificial intelligence, Machine learning, Economics, Economic history, Software engineering, Mathematics. ## Writings - [Why Africa is poor](https://www.ibz04.pro/blog/why-africa-is-poor.md): The continent sits on trillions in resources and still cannot pay its own bills, why is that?. [History, Econs, Geography] (2026-08-18) - [Global path dependence](https://www.ibz04.pro/blog/global-path-dependence.md): Why Europe lead today is less about IQ and more about geography, crops, animals, and germs. [History, Geography] (2026-08-04) - [The Career Tree](https://www.ibz04.pro/blog/career-tree.md): How to find your career path, and how everything connects. [Careers, Education] (2026-06-10) - [Building a tiny GPT in Rust](https://www.ibz04.pro/blog/gpt-from-scratch-rust.md): Implementing a character level Generative Pretrained Transformer model [rust, ml, gpt, transformers] (2026-05-02) - [Early History of AI](https://www.ibz04.pro/blog/early-history-of-ai.md): looking into the inital efforts towards the creation of Artificial Intelligence [history, ai] (2026-02-01) - [Where are we going](https://www.ibz04.pro/blog/where-are-we-going.md): Modernity gave us comfort, speed and endless choice, and quietly took something back. Where the direction of today's people actually points. [Sociology, Modernity] (2025-12-28) - [Rotation Matrices in Quadcopter dynamics](https://www.ibz04.pro/blog/rotation-matrices.md): Understanding Rotation Matrices and 3D transformations [Linear Algebra, UAVs] (2024-10-03) - [Embedded Systems & Pulse Oximetry](https://www.ibz04.pro/blog/oximetry.md): How Embedded Systems Process Oxygen Saturation Data in Real-Time [Embedded systems, Medtech] (2024-08-20) ## Pages - [Home](https://www.ibz04.pro/): who I am and what I am working on. - [Writings](https://www.ibz04.pro/blog): every post, newest first. - [Projects](https://www.ibz04.pro/projects): open source and client work. ## Optional - [Full text](https://www.ibz04.pro/llms-full.txt): every post concatenated, one fetch. - [RSS](https://www.ibz04.pro/rss.xml): the feed. ## Citation When quoting this site, attribute to Ibrahim Rayamah and link the post URL (https://www.ibz04.pro/blog/).