# AI by Hand > Source: > Published: 2026-08-14 15:58:59+00:00 AI by Hand ✍️ Subscribe Sign in Home Frontier Foundation Library Qwen 3.6 ~ Recording AI by Hand ✍️ Seminars Jul 8 • Prof. Tom Yeh 43 3 Frontier View all Qwen 3.6 ~ Recording AI by Hand ✍️ Seminars Jul 8 • Prof. Tom Yeh 43 3 Gemma 4 (May 7, 2026) AI by Hand ✍️ Seminars May 15 • Prof. Tom Yeh 46 7 3 Fine-Tuning Fine-tuning is how you turn a general-purpose pretrained model into something that actually does your task, and getting it right means knowing which… Apr 24 • Prof. Tom Yeh 46 2 2 SwiGLU: The Activation Function Behind Frontier AI Essential AI Math Excel Blueprints Mar 10 • Prof. Tom Yeh 41 1 4 PPO → DPO → GRPO → Rubrics (Mar 2, 2026) AI by Hand ✍️ Seminars Mar 2 • Prof. Tom Yeh 57 1 3 PPO Clipped Policy Loss Algorithm Frontier AI Algorithm Blueprint Series Feb 25 • Prof. Tom Yeh 33 2 4 OpenClaw Seminar (Feb 23, 2026) AI by Hand ✍️ Seminars Feb 23 • Prof. Tom Yeh 43 4 4 Debouncing in OpenClaw - A Study Guide Computer Science in the Real World Feb 9 • Prof. Tom Yeh 25 1 OpenClaw Once upon a time, there was a lobster named Claw. Feb 5 • Prof. Tom Yeh 55 4 3 Meta Superintelligence Labs vs Facebook AI Research (Jan 30, 2026) AI by Hand ✍️ Seminars Jan 30 • Prof. Tom Yeh 21 Google Ironwood TPU: From Bits to HBM (Jan 19, 2026) AI by Hand ✍️ Seminars Jan 19 • Prof. Tom Yeh 45 1 How Small Models Learn Tool Use (Jan 11, 2026) AI by Hand ✍️ Seminars Jan 11 • Prof. Tom Yeh 38 2 Subscribe to receive new AI by Hand ✍️ content in your inbox! Subscribe Foundation View all Attention 11 interactive diagrams May 25 • Prof. Tom Yeh 80 1 Activation chapter, complete: 12 interactive lessons Growing up in Taiwan, nothing can activate my neurons as much as a cup of boba tea. May 11 • Prof. Tom Yeh 4 Activation 12 interactive lessons Apr 30 • Prof. Tom Yeh 8 Single vs Multi-Head Attention Attention: 9 of 11 Apr 27 • Prof. Tom Yeh 11 Self Attention vs Cross Attention Attention: 5 of 11 Apr 25 • Prof. Tom Yeh 9 Two New Interactive Workbooks ~ Matmul & Linear Layer This week, I continued building the interactive version of my popular Deep Learning Math Workbook. Apr 10 • Prof. Tom Yeh 30 1 2 My Deep Learning Math Workbook — Now Interactive Happy to share something new: an interactive edition of my popular Deep Learning Math Workbook. Apr 2 • Prof. Tom Yeh 60 13 2 Self Attention Flow ~ New Release! Building upon Matmul Flow I released two weeks ago, I’d like to share with you Self-Attention Flow — my attempt to turn the self-attention diagram I’ve… Mar 28 • Prof. Tom Yeh 59 2 5 Matmul Flow ~ New Visualization Tool AI by Hand ✍️ Academy Mar 17 • Prof. Tom Yeh 38 5 AI Isn't Human What becomes possible when we stop comparing AI to ourselves? Mar 7 • Prof. Tom Yeh and Jaime Teevan 34 1 5 GAN ~ draw by hand not by AI Feb 27 • Prof. Tom Yeh and Luke Yeh 56 7 1 CNN ~ draw by hand ✍️ “What should I do for my AI project?” my son asked me. Feb 16 • Prof. Tom Yeh and Luke Yeh 63 2 2 This site requires JavaScript to run correctly. Please turn on JavaScript or unblock scripts