Imagine if you took the city of London, stacked it like a layer cake, put the whole thing on wheels and drove it around Europe.

That’s the premise of Mortal Engines, a steampunk novel by Philip Reeve that tells the story of a distant future where gigantic mobile “traction” cities roam the Earth, preying on one another in what's known as Municipal Darwinism.

You can double-check all of our work on ProjectBoard here: https://makeprojects.com/project/debu...

Tell us what you liked, nitpick our equations and diagrams, complain about us mixing metric and imperial units—it’s all there on ProjectBoard.

Want to see a specific segment of the video?
0:53 • Part 1 - How big and heavy is the traction City of London?
4:06 • Part 2 - How much energy would it take to move it?
6:01 • Part 3 - How many people could London accommodate?
8:23 • Part 4 - What would a realistic traction city look like?



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