Why can one cable cut disconnect a whole area while another barely matters?
Open for the projector Present it step by step
Classroom mode
A question for the whole room
One story to open. A room full of ideas to test.
Ready in three steps
- Open the story.Read and try the first pages together.
- Pause for a prediction.At the story’s question, read its choices aloud. Invite a vote and ask, “What makes you think that?”
- Run it. Watch. Wonder.Choose the class’s prediction, run the experiment, and compare what happened with your guesses.
Different guesses are welcome. The experiment gives everyone something to rethink.
Something to put on paper
A one-page prediction and observation sheet. No answers included.
After the experiment: discussion notes
Talk about what happened
- Trace two routes between the same endpoints and identify any links they share.
- Explain why surviving one link cut is different from surviving one router failure.
- Compare the value and cost of one carefully placed backup link.
Where it shows up in real life
- Street grids that offer a detour around one closed road
- Internet traffic using another route after a cable or router problem
- A well-connected regional network ending in one last-mile cable
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