--- title: "Ahmed Talaat (@a7medtal3at) | Hashnode" description: "Building AI that works so I don't have to. Read the latest articles by Ahmed Talaat on Hashnode." url: "https://hashnode.com/@a7medtal3at" --- @a7medtal3at # Ahmed Talaat @a7medtal3at · Egypt, Cairo · Joined June 2026 Building AI that works so I don't have to. [Website](https://ahmedtal3at.vercel.app/) ### [How AI Sees Images: From Pixels to Understanding (Part 1)](https://a7medtal3at.hashnode.dev/how-ai-sees-images-from-pixels-to-understanding-part-1?utm_source=hashnode&utm_medium=feed) The Complete Journey from Pixels to Convolutional Neural Networks 40 min read · [a7medtal3at.hashnode.dev](https://a7medtal3at.hashnode.dev/how-ai-sees-images-from-pixels-to-understanding-part-1?utm_source=hashnode&utm_medium=feed) [Jul 10](https://hashnode.com/posts/how-ai-sees-images-from-pixels-to-understanding-part-1/6a511821551db99c227b8aff) ### [RAG vs Long-Context LLMs: Why Retrieval Still Wins Beyond Million-Token Context Windows](https://a7medtal3at.hashnode.dev/rag-vs-llm?utm_source=hashnode&utm_medium=feed) A deep dive into RAG and Long-Context LLMs, comparing accuracy, cost, scalability, attention complexity, and hallucination trade-offs. 21 min read · [a7medtal3at.hashnode.dev](https://a7medtal3at.hashnode.dev/rag-vs-llm?utm_source=hashnode&utm_medium=feed) [2](https://hashnode.com/posts/rag-vs-llm/6a3525c2804120a42ecf8dbe) [Jun 19](https://hashnode.com/posts/rag-vs-llm/6a3525c2804120a42ecf8dbe) ### [From Keystrokes to Cognition: The Step-by-Step Math of How AI Understands Your Messages](https://a7medtal3at.hashnode.dev/from-keystrokes-to-cognition-the-step-by-step-math-of-how-ai-understands-your-messages?utm_source=hashnode&utm_medium=feed) Explore the logic, mathematics, and architecture behind modern AI, from neural networks to attention and language models. 7 min read · [a7medtal3at.hashnode.dev](https://a7medtal3at.hashnode.dev/from-keystrokes-to-cognition-the-step-by-step-math-of-how-ai-understands-your-messages?utm_source=hashnode&utm_medium=feed) [Jun 11](https://hashnode.com/posts/from-keystrokes-to-cognition-the-step-by-step-math-of-how-ai-understands-your-messages/6a2b0b9ef4551e0be37d9761)