What is RAG? Building Production AI Without Training Models
Production AI without model training: How RAG works with code examples.
Read issue
Embeddings & Vector Spaces: How AI Understands Meaning
How AI turns words into meaning using vectors
Read issue
Transformers: The Architecture That Changed Everything
The architecture behind ChatGPT, Claude, and every major AI breakthrough - explained simply.
Read issue
Attention Mechanisms: Teaching Neural Networks Where to Look
Weighted embeddings and why attention replaced RNNs for modern AI.
Read issue
Recurrent Neural Networks: Processing Sequences and Time
How RNNs process sequences through hidden state loops and LSTM gates.
Read issue
Convolutional Neural Networks: How AI Sees Images
From edge detection to face recognition: How CNNs use sliding filters and parameter sharing to understand images with 1000x fewer parameters.
Read issue
AI in 2026: The 'Show Me the Money' Year
Week 1 of 2026: ROI pressure, quantum bets, transformer plateau, and physical AI
Read issue
What Are Tensors? (And Why Modern AI Needs Them)
The multi-dimensional data structures that power modern AI architectures.
Read issue
Training Neural Networks: The Complete Learning Loop
The complete 7-step training loop: epochs, batches, overfitting, and when to stop.
Read issue
How Neural Networks Actually Learn (Gradient Descent)
What gradient descent is, how it uses gradients to update weights, and why it's the optimization algorithm that makes neural network learning possible
Read issue
Loss Functions - How Neural Networks Measure Their Mistakes
What loss functions are, why neural networks need them, and how to choose between MSE and cross-entropy for your problem
Read issue
Activation Functions: Why Neural Networks Need Them
Understand why neural networks need activation functions and how ReLU, Sigmoid, and Tanh introduce the non-linearity that makes deep learning work.
Read issue
How Neural Networks Learn (Forward & Backward Propagation)
Learn how neural networks learn through forward and backward propagation. Understand how data flows forward, errors are calculated, and weights get adjusted to improve predictions.
Read issue
Inside a Neural Network: Neurons, Weights, and Biases Explained
The building blocks of neural networks. How neurons, weights, and biases work together to help AI learn patterns from data.
Read issue