One learning entry per lesson, combining video, reading, exercises and sources. Lessons 0.1 and 0.2 are available in Chinese, English and Japanese. Learning path: Course outline → 0.1 → 0.2
Building a Grasping Scene in MuJoCo — Working Out the Mass, Units, Timestep and Collision Rules the XML Leaves Unwritten. English video, reading, self-checks and sources in one lesson, updated 2026-10-13.
Evaluation — Splitting a “Net Gain of 2” into a Paired Table, Then Checking the Failure Labels and Random Seeds. English video, reading, self-checks and sources in one lesson, updated 2026-10-10.
Reinforcement Learning — Working Out One Episode’s Return to See How a Reward Gets Gamed, Then Reading the Paper’s Terrain Curriculum and Time-out Resets. English video, reading, self-checks and sources in one lesson, updated 2026-10-10.
Imitation Learning — Working Out How an Error Rolls Out of the Demonstrations’ Coverage, Then Putting the ACT, Diffusion Policy and Data Scaling Numbers Back in Their Own Conditions. English video, reading, self-checks and sources in one lesson, updated 2026-10-09.
Where Does Data Come From? Working Out Demonstration Time from SO-101 Metadata, Then Separating the Units and Action Spaces of Three Sources. English video, reading, self-checks and sources in one lesson, updated 2026-10-09.
A Map of Simulators — Counting the Cost of the Timestep, Finding Where Contact Splits Two Runs, and Pinning Three Speed-ups to Their Baselines. English video, reading, self-checks and sources in one lesson, updated 2026-10-06.
Public quiz with full explanations. Sign in to pick depth modes, predict slip in a grasp log and review a spliced sensor plan, with worked solutions.
Public quiz with full explanations. Sign in to work a PID log with a disturbance, compute response metrics and review a control-rate memo.
Public quiz with full explanations. Sign in to convert cups from a new camera mount, audit a fictional IK solver log and score solutions by the paper’s cost.
Public quiz with full explanations. Sign in to trace a number through four retellings, build a timeline and status card, and review four headlines.
Public quiz with full explanations. Sign in to split a demo log, compute one shift's uptime three ways and review a purchasing memo, with worked solutions.
Public quiz with full explanations. Sign in to choose a parallel set-up, separate three kinds of training time and review a sim-to-real plan.
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