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A backup light can be useful if the primary light fails, [9] and is essential if doing a decompression dive without a dive computer which can be read in the dark. There are several advantages to night diving at a site that is familiar from diving there during the day. The diver who is more familiar with the site is less likely to be disoriented ...
A dive light is routinely used during night dives and cave dives, when there is little or no natural light, but also has a useful function during the day, as water absorbs the longer (red) wavelengths first then the yellow and green with increasing depth. By using artificial light, it is possible to view an object in full color at greater depths.
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 ...
Cis-Lunar originally aimed to develop space suit kits, but the early 2000s recession reportedly hindered its ability to finance the mass production of the MK5 rebreather, which featured designs intended to reduce system and mission failures. [2] In 2005, the Swedish diving equipment manufacturer Poseidon acquired Cis-Lunar's technology.
Divers Alert Network (DAN) is a group of not-for-profit organizations dedicated to improving diving safety for all divers. It was founded in Durham, North Carolina, United States, in 1980 at Duke University providing 24/7 telephonic hot-line diving medical assistance.
Dive lights and dive light battery canisters. Some or all of the diver's ballast weights may be bolted to the plate, clipped to the harness webbing, or strapped to the cylinder (tank weights). A v-weight, keel weight or p-weight, trim weights or clip-on weights may be used. [4] Some of this equipment is difficult to attach to other styles of BCD.
Lambertsen designed the LARU while a medical student and demonstrated the LARU to the Office of Strategic Services (OSS) (after already being rejected by the U.S. Navy) in a pool at the Shoreham Hotel in Washington D.C. in 1942 [3] [4] The OSS "Operational Swimmer Group" was formed and Lambertsen's responsibilities included training and developing methods of combining self-contained diving and ...
Skooba-"totes" dry suit imported in 1960 by Submarine Products Ltd. 1960. March: Submarine Products offers "a complete range of equipment for the discerning diver", namely Sealion breathing apparatus with the Mark III regulator, Tarzan suits, fins, knives, masks, spearguns and the Aquamobile, "the world’s finest water scooter". [11]
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