One interactive page per exercise, in English and Basque; what each one lets you watch
| # | Exercise | What to watch | Full screen |
|---|---|---|---|
| 18 | Two gases, and a wall that is freed or removed | The wall’s damped swing and thermal drift; the rush and the interdiffusion; the entropy rising live | EN · EU |
| 18 | Two gases that do not see each other: the route of the calculation | Each step a change of state: the points stream into vacuum, warm or cool at the shared wall, then overlap | EN · EU |
| 20 | A real gas expands and is brought back | The release computed, not eased; the load slider; the reversible return grain by grain | EN · EU |