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chcampb t1_j6vifmr wrote

I'm more interested in the constituting technology.

In order to indefinitely float a city on the ocean you need it to

  1. Generate all its own power
  2. Sustain all its vegetation
  3. Grow its own food
  4. Not get eroded
  5. Provide hospital and other infrastructure for its residents
  6. Desalinate enough water for everyone on board

So if you want to get rid of 4 you could theoretically have all the tech for a standalone, compartmentalized city somewhere near the ocean. Why not just, then, instead do that sort of thing?...

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