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Scuba diving is a mode of underwater diving whereby divers use breathing equipment that is completely independent of a surface breathing gas supply, and therefore has a limited but variable endurance. [1] The word scuba is an acronym for "Self-Contained Underwater Breathing Apparatus" and was coined by Christian J. Lambertsen in a patent ...
Others are more specialised, variable by location, mode, or professional environment. There are instances where a term may have more than one meaning depending on context, and others where several terms refer to the same concept, or there are variations in spelling. A few are loan-words from other languages. There are five sub-glossaries ...
Scuba, originally SCUBA, often expanded to scuba set, is any self contained underwater breathing apparatus, a source of breathing gas used for underwater diving which is carried by the diver. Scuba may also refer to: Scuba diving, swimming underwater while breathing from a gas supply carried by the diver,
Scuba diving tourism is a growth industry, and it is necessary to consider environmental sustainability, as the expanding impact of divers can adversely affect the marine environment in several ways, and the impact also depends on the specific environment. Tropical coral reefs are more easily damaged by poor diving skills than some temperate ...
A scuba liveaboard vessel on the Red Sea. Liveaboard can mean: [1] Someone who makes a boat, typically a small yacht in a marina, their primary residence. Powerboats and cruising sailboats are commonly used for living aboard, as well as houseboats which are designed primarily as a residence. [2] A boat designed for people to live aboard it. [3]
A second complete scuba regulator connected to a cylinder or manifolded twin set. [9] Compare with octopus regulator. backward roll backward roll entry back roll entry. See: Scuba skills#Entries. Water entry method in which the seated diver rolls backwards off the side of the boat, allowing the scuba cylinders to strike the water first. [36]: 125
The word SCUBA was coined in 1952 by Major Christian Lambertsen who served in the U.S. Army Medical Corps from 1944 to 1946 as a physician. [1] Lambertsen first called the closed-circuit rebreather apparatus he had invented "Laru", an (acronym for Lambertsen Amphibious Respiratory Unit) but, in 1952, rejected the term "Laru" for "SCUBA" ("Self-Contained Underwater Breathing Apparatus"). [2]
Bathyscaphe Trieste before its only dive into the Mariana Trench The Trieste in 1958. A bathyscaphe (/ ˈ b æ θ ɪ ˌ s k eɪ f,-ˌ s k æ f /) is a free-diving, self-propelled deep-sea submersible, consisting of a crew cabin similar to a Bathysphere, but suspended below a float rather than from a surface cable, as in the classic Bathysphere design.