Real-world cases

Case studies

Every disaster in this course really happened. These pages tell each story properly: what happened, the mathematics behind it, and the lesson it fixes in your head.

…Cases

…China / Hong Kong cases

1980–2026Span

How to use this section. Search, tick "China & Hong Kong only", or pick a lecture, theme or decade to narrow the list. Group results by lecture (openable sections, like the Lectures page) or see every match in one flat list. Each page stands on its own: read one case in five minutes, or follow its links back to the lecture and activity that use it.

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Timeline

Click a dot for a quick preview. Click through to open the full case.

Sources are listed on every page. Nothing here is needed for the exam beyond what the lectures already cover.

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