SvennoJ said:
AnthonyW86 said:
SvennoJ said:
You can always work with compressed air environments underwater, sucks when you want to return to the surface though.
Buckinster Fuller designed cloud nine in the 60's, a flying city built on a giant geodesic sphere. 1 degree difference in air temperature inside and outside the sphere would be enough to lift a city for 6000 people
 Much more efficient then magnetics.
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How about kind of combining the two? A underwater city placed in a giant sphere? That way building could be constructed in regular fassion with only the outside sphere having to deal with the pressures?
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Maybe. I'm not an engineer but I would think it would want to float to the surface real bad. The deepest mine is almost 4km below the surface, there must be ways to do it. Build it in de rock under the bottom? But why go that deep, a floating city just far enough below the surface to be out of reach of the weather seems a lot more practical. Same solution as for the transatlantic tunnel. I wonder if we'll ever get that one. Maglev in a near vacuum tube, now that's travelling.
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How about attaching chains to the bottom of the Sphere and the other side of the chains to the boddom of the ocean? Much like you keep a party balloon from flying off.