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Archimedes' investigation of paraboloids was possibly an idealization of the shapes of ships' hulls. Some of the paraboloids float with the base under water and the summit above water, similar to the way that icebergs float. Of Archimedes' works that survive, the second book of On Floating Bodies is considered his most mature work. [6]
Atlantis from the Stargate universe is a "city-ship" which is capable of flight and intergalactic travel. Due to the amount of power required to keep it airborne, it is frequently shown floating on water, but it could theoretically float at a fixed location in space. The Nox of Stargate SG-1 have floating cities.
As a rule, the mega-float is a floating structure having at least one length dimension greater than 60 metres (200 ft) Horizontally large floating structures can be from 500 to 5,000 metres (1,600 to 16,400 ft) in length and 100 to 1,000 metres (330 to 3,280 ft) in width, with typical thickness of 2 to 10 metres (6.6 to 32.8 ft).
Floating island La Rota in Posta Fibreno lake, Italy. Natural floating islands are composed of vegetation growing on a buoyant mat of plant roots or other organic detritus. In aquatic regions of Northwestern Europe, several hundred hectares or a couple thousand acres of floating meadows (German Schwingrasen, Dutch trilveen) have been preserved, which are partly used as agricultural land ...
An illustration from a 1902 printing of Moby-Dick, one of the renowned American sea novels. Nautical fiction, frequently also naval fiction, sea fiction, naval adventure fiction or maritime fiction, is a genre of literature with a setting on or near the sea, that focuses on the human relationship to the sea and sea voyages and highlights nautical culture in these environments.
Aliens do not appear to fall short on such challenges, as they are being credited with the creation of an 8.5-mile-wide pyramid said to be on the ocean floor near Mexico, notes the Daily Mail ...
Cruise ships are a proven technology, and address most of the challenges of living at sea for extended periods of time. However, they're typically optimized for travel and short-term stay, not for permanent residence in a single location. Many proposals have been made for seasteading retrofits of cruise ships, although none have succeeded.
The world's longest ships are listed according to their overall length (LOA), which is the maximum length of the vessel measured between the extreme points in fore and aft. In addition, the ships' deadweight tonnage (DWT) and/or gross tonnage (GT) are presented as they are often used to describe the size of a vessel. The ships are listed by type.