Mohamed Hamed - AI Expert & Tech Leader

Part 2 — Embeddings: How AI Understands the World Without Knowing a Single Word

If AI doesn't read words, how does it know that 'Apple' the fruit is different from 'Apple' the company? The secret is in a 10,000-dimensional galaxy of numbers called Embeddings.

March 12, 2026

12 min read

#AI#Embeddings#Vectors#Semantic Search#LLM#Meaning

AI-Developer → AI Fundamentals

Part 4 — The Artificial Neuron: The Tiny Decision Machine Behind Every AI

Your brain has 86 billion neurons. ChatGPT has trillions. Today we isolate just one digital brain cell and watch it make a decision — in Python.

March 12, 2026

11 min read

#AI#Neural Networks#Neuron#Deep Learning#Activation Functions#Python

AI-Developer → AI Fundamentals

Part 3 — How AI Finds Your Answer in 30 Million Documents in Under a Second

The old internet searched for words. The new internet searches for meaning. Here's the math that killed keyword search — and powers everything from TikTok to RAG.

March 12, 2026

10 min read

AI-Developer → AI Fundamentals

Tokens: Why Your Language Costs More Than English When You Use AI

The AI doesn't read your words — it reads numbers. And those numbers aren't equal across languages. Here's what tokens are, why they cost money, and why non-English speakers pay more.

March 7, 2026

12 min read

#AI#Tokens#LLM#Cost#Arabic#Context Window#BPE#Tokenization