Can Science and Technology Create Sustainable Underwater Cities of the Future?

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Discussion Overview

The discussion explores the feasibility of creating sustainable underwater cities in the future, considering both technological advancements and economic constraints. Participants speculate on the potential for underwater living environments and the challenges associated with such developments.

Discussion Character

  • Exploratory, Conceptual clarification, Debate/contested

Main Points Raised

  • One participant envisions advanced ocean cities with both underwater and above-water sectors, suggesting that current constraints are primarily economic and scientific.
  • Another participant proposes that smaller underwater bases could emerge, driven by resource extraction needs, particularly if overpopulation becomes a significant issue.
  • A participant expresses enthusiasm for the concept, referencing a video game for inspiration, indicating a cultural interest in the idea.
  • A later reply highlights the significant challenges of maintaining breathable air at ocean depths, noting that while pressurized environments are easier to manage, they pose health risks to humans over extended periods.

Areas of Agreement / Disagreement

Participants present a range of ideas and challenges without reaching a consensus on the feasibility or timeline for such underwater cities. Multiple competing views remain regarding the practicality and necessity of these developments.

Contextual Notes

Challenges mentioned include technological limitations in maintaining breathable air and the physiological effects of high-pressure environments, which are not fully resolved in the discussion.

Reflector
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Will science and technology someday allow really highly developed ocean cities with an underwater sector with lights illuminating and stuff and an above water sector where you travel on say flying scooters. Fast speed trains could connect the cities. I guess right now the constraints are economic and scientific... underwater drive-in! You travel slower in the ocean... I would really like to contribute to scientific knowledge if this could be done.
 
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I could see a small version of this happening because the ocean floor is rich in resources and small base would be an easy way of extracting those resources. Cities would only show up if overpopulation became a huge issue. Thats my take on it anyway.
 
That would be pretty neat. Making under water cities like in Civilazation: CTP. Anyone played that?
 
Maintaining a small pocket of breathable air at ~1 atm at the bottom of the ocean is a hugely challenging endeavor. The technology to maintain a pocket the size of a city is probably hundreds or thousands of years away still.

Maintaining a pocket of pressurized air at the bottom of the ocean is considerably easier, though still no small feat. Unfortunately, human physiology does not seem to respond well to long exposures to those kinds of gas pressures. High-pressure nervous syndrome, bone decalcification, and other problems arise.

- Warren
 

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