01
AI Foundations
Understand what AI is, how systems learn, where they fail, and how to judge claims without hype.
Free AI library
Visual AI guidesFree forever.
133 plain-English guides, structured learning paths, and an open library — built by an independent 501(c)(3) nonprofit so anyone can understand modern AI.
133Free guides
1Topic tracks
~2 minPer guide
~4hReading time
Start here
Five outcome-based courses
Each course includes explicit outcomes, mapped competencies, practice activities, and an applied capstone.
02
Responsible AI User
Use AI productively while protecting privacy, checking outputs, and preserving human accountability.
03
AI at Work
Evaluate workplace use cases, run safe pilots, measure value, and communicate changes responsibly.
04
AI Policy & Society
Analyze AI systems through rights, equity, governance, safety, and public-interest outcomes.
05
Building with AI Systems
Understand language models, retrieval, agents, evaluation, cost, and deployment safeguards through practical system design.
Topic tracks
Browse by track
Jump into the area you care about. Every track has multiple plain-English guides.
FundamentalsCore concepts: how AI works at a high level.84 guides Language AILLMs, NLP, ChatGPT, prompting, and text understanding.155 guides Visual AIImage generation, computer vision, video, and design.133 guides Audio AIVoice, music, podcasting, and audio-first AI.117 guides CompaniesProfiles of OpenAI, Anthropic, Google, Meta, and more.121 guides ApplicationsHow AI shows up in coding, search, agents, and daily life.111 guides IndustriesAI in healthcare, finance, education, energy, and more.91 guides TechnicalChips, fine-tuning, RAG, vectors, and AI infrastructure.177 guides SocietyBias, privacy, copyright, safety, and the AI future.30 guides
Full library
All guides
133 of 1019 guides shown. Filter by track or search above.
Visual AI
Neural Radiance Fields
Neural Radiance Fields (NeRF) reconstruct a full 3D scene from a handful of ordinary photos, letting you fly the camera to brand-new viewpoints.
Visual AIGaussian Splatting
Gaussian Splatting represents a 3D scene as millions of tiny, colored, semi-transparent blobs that can be rendered in real time.
Visual AIMasked Autoencoders
Masked Autoencoders (MAE) are a self-supervised method that teaches a vision model to reconstruct images after most of the picture has been hidden.
Visual AIImage Captioning
Image captioning is the task of automatically generating a natural-language sentence that describes what is in a picture.
Visual AIVisual Question Answering
Visual Question Answering (VQA) lets a system answer free-form natural-language questions about an image, such as 'How many people are wearing hats?
Visual AIYOLO Real-Time Detection
YOLO (You Only Look Once) is a family of object detection models that find and label every object in an image with a single neural network pass, fast enough…
Visual AIPanoptic Segmentation
Panoptic segmentation gives every single pixel in an image a label, unifying 'what is this region' with 'which specific object is this.
Visual AIHuman Pose Estimation
Human pose estimation detects the positions of body joints, such as elbows, knees, and shoulders, to build a digital skeleton of a person from images…
Visual AIFLUX Image Models
FLUX is a family of open text-to-image models from Black Forest Labs known for sharp detail, strong prompt-following, and surprisingly accurate rendered text.
Visual AIResidual Networks
Residual Networks (ResNets) are deep neural networks that add 'skip connections' letting layers learn small adjustments instead of full transformations.
Visual AIRegion-Based CNNs
Region-Based CNNs (R-CNNs) are a family of object detectors that first propose candidate regions in an image, then use a CNN to classify and precisely box…
Visual AISwin Transformer
The Swin Transformer is a vision Transformer that processes images in shifted, hierarchical windows, making attention efficient enough to scale across…
Finished reading? Prove it.
Check what you learned with topic quizzes, then explore our structured courses and current certification requirements. Core guides remain free to read.