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The current no-limit world record holder is Herbert Nitsch with a depth of 214 metres (702 ft) set on 9 June 2007, in Spetses, Greece, [6] however, in a subsequent dive on 6 June 2012 in Santorini, Greece to break his own record, he went down to 253.2 metres (831 ft) and suffered severe decompression sickness immediately afterwards [7] and subsequently retired from competitive events.
Freediving as a recreational activity is widely practiced and differs significantly from scuba diving. Although there are potential risks to all freediving, it can be safely practiced using a wide range of skill levels from the average snorkeler to the professional freediver. Compared to scuba diving, freediving offers: [citation needed]
The wing may be a single or double skin unit. A single skin wing uses the same material for structure and holding the air, while a double skin arrangement uses an airtight bladder in a structural casing of strong but porous textile. Single skin construction is simpler, and usually uses RF welding to make the seams. These bladders are usually ...
Muck diving gets its name from the sediment that lies on the bottom at many dive sites - a frequently muddy or "mucky" environment. Other than muddy sediment, the muck dive substrate may consist of dead coral skeletons, garbage and natural detritus. The visibility is usually less than on the reef or wreck sites of the area. However, the ...
Some divers wear a dive skin under a wetsuit, which allows easier donning and (for those who experience skin problems from neoprene) provides additional comfort. Unlike regular swimsuits, which are designed mainly for aesthetic appearances, swimsuits intended to be worn during competitions are manufactured to assist the athlete in swimming ...
Scuba diving, as distinct from the use of standard diving dress (old usage dating from before drysuits and wetsuits were commonly available) "Skindiving", a song by James, in the album Laid Topics referred to by the same term
This is a glossary of technical terms, jargon, diver slang and acronyms used in underwater diving.The definitions listed are in the context of underwater diving.
Decompression sickness (DCS; also called divers' disease, the bends, aerobullosis, and caisson disease) is a medical condition caused by dissolved gases emerging from solution as bubbles inside the body tissues during decompression.