AI Foundations
Understand what AI is, how systems learn, where they fail, and how to judge claims without hype.
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177 plain-English guides, structured learning paths, and an open library — built by an independent 501(c)(3) nonprofit so anyone can understand modern AI.
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Each course includes explicit outcomes, mapped competencies, practice activities, and an applied capstone.
Understand what AI is, how systems learn, where they fail, and how to judge claims without hype.
Use AI productively while protecting privacy, checking outputs, and preserving human accountability.
Evaluate workplace use cases, run safe pilots, measure value, and communicate changes responsibly.
Analyze AI systems through rights, equity, governance, safety, and public-interest outcomes.
Understand language models, retrieval, agents, evaluation, cost, and deployment safeguards through practical system design.
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Sequence parallelism splits a single long input sequence across multiple GPUs along the token (time) dimension, and Ring Attention lets those GPUs compute…
TechnicalActivation recomputation (gradient or activation checkpointing) saves GPU memory during training by discarding intermediate activations in the forward pass…
TechnicalGroup Relative Policy Optimization (GRPO) is a reinforcement-learning method for fine-tuning language models that judges each answer against a group…
TechnicalNormalizing flows are generative models that turn simple noise (like a Gaussian) into complex data through a chain of invertible, differentiable…
TechnicalEnergy-based models (EBMs) learn a scalar 'energy' function that assigns low values to plausible data and high values to implausible data, defining…
TechnicalA memory-saving trick that parks the heavy bookkeeping of training (optimizer states, gradients, sometimes weights) in CPU RAM or on NVMe SSDs instead…
TechnicalTechniques for saving a model's training state in pieces (shards) so giant models can be saved and reloaded without choking on memory or disk limits, and so…
TechnicalHow AI frameworks allocate, reuse, and reclaim the limited memory on a GPU, and why leftover gaps (fragmentation) can cause out-of-memory errors even…
TechnicalMulti-Instance GPU (MIG) is an NVIDIA technology that slices a single physical GPU into multiple isolated hardware partitions.
TechnicalGPU scheduling decides which jobs run on which accelerators and when, while orchestration coordinates these jobs across an entire cluster of machines.
TechnicalSlurm is an open-source workload manager that schedules and runs jobs on high-performance computing clusters, and it has become a default choice for large AI…
TechnicalPlan-and-Solve (PS) prompting tells a language model to first devise an explicit plan and then carry it out step by step, fixing the failures that plain…
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