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== Submarines and ocean-going vessels == ...ad-acid batteries used for undersea propulsion of the vessel. Even nuclear submarines contain large battery rooms as backups to provide maneuvering power if the ...

Typical uses include [[submarines]] and [[oil wells]]. ...

...atus'', or more usually just "The Fessenden", was fitted to [[Royal Navy]] submarines in [[World War I]].<ref>{{Cite book |title=HM Submarines in Camera ...

...[[Paul Langevin]] with the facilities needed to work on a method to locate submarines by the echos from sound pulses. They developed a [[piezoelectric]] hydropho ...]. They concluded that the best hope was to use hydrophones to listen for submarines. Rutherford's research produced his sole patent for a hydrophone. Bragg too ...

* [[Sonar]] projectors for submarines and surface vessels ...

* {{US Patent|1291458}}, "Apparatus for Submarines" &ndash; 4 January 1919 * {{US Patent|1348855}}, "Method and Apparatus for Detecting Submarines" &ndash; 10 August 1920 ...

...h direction of another ship in fog. There was also notation of use between submarines and "parent ships" with some of the submarine results withheld from publica ...also allowed coded communication between any two installations, including submarines. Bells were quickly phased out and transducer equipped installations remain ...

====Submarines==== ...d it, it has neutral buoyancy and will remain at that depth. Most military submarines operate with a slightly negative buoyancy and maintain depth by using the " ...

...environments like [[general anesthesia]] and its [[breathing circuit]], [[submarines]], [[rebreathers]], and [[hyperbaric chamber]]s and [[underwater habitat]]s ...n larger settings like [[Recompression chamber|recompression chambers]] or submarines, a fan is employed to ensure a continuous flow of gas through the scrubbing ...

For vehicles moving through fluid (ships, submarines, planes, etc), the specific energy is a dimensionless quantity defined as t ...

{{Redirect|Ocean engineering|the design of ships and submarines|Naval architecture}} '''Marine engineering''' is the [[engineering]] of [[watercraft|boats, ships, submarines, and any other marine vessel]]. Here it is also taken to include the engine ...

...rch, underwater diving for work or recreation, and underwater warfare with submarines. It is hostile to humans in many ways and often inaccessible, and therefore ...ic areas have been mapped in detail, to assist in navigating and detecting submarines, though the resulting maps may be classified.{{citation needed|date=June 20 ...

...t and employment of modern war machines such as [[tank]]s, [[aircraft]], [[submarines]] and the [[dreadnought|modern battleship]] ...

...the fluid. MHD propulsion has been mostly tested with models of ships and submarines in [[seawater]].<ref name="PopMech 1990">{{cite magazine ...

...or smaller vessels, such as the [[midget submarine]] and the [[wet sub]]. Submarines are referred to as ''boats'' rather than ''ships'' irrespective of their si ...are also used in tourism and [[undersea archaeology]]. Modern deep-diving submarines derive from the [[bathyscaphe]], which evolved from the [[diving bell]]. ...

...://world-nuclear.org/info/inf34.html|title=Nuclear-Powered Ships - Nuclear Submarines - World Nuclear Association|website=world-nuclear.org|access-date=9 May 201 ...in Japan. In the 1950s through 1970s, several nuclear bombs were lost from submarines and aircraft, some of which have never been recovered. The last twenty year ...

...gaged in tabletop war games. Around 1900, entirely new innovations such as submarines and airplanes appeared, and were quickly adapted to warfare by 1914. The Br ...t regarding nuclear weapons, radar, jet engines, proximity fuses, advanced submarines, aircraft carriers, and other weapons. The high-priority continues into the ...

[[Category:Ships sunk by German submarines in World War II]] ...

...1-18}}</ref> The later [[Fessenden oscillator]] allowed communication with submarines. ...

...ded apace during the war, driven by the first large scale deployments of [[submarines]]. Other advances in underwater acoustics included the development of acous ...s. These systems were used to good effect during [[World War II]] by both submarines and anti-submarine vessels. Many advances in underwater acoustics were mad ...