Diving into the Unknown Team Anonymous: Elvin Pathiyil Mariya Gudima Michael Gutierrez

Project Anonymous plans to research the manufacturing of SCUBA gear. Anonymous will also research how different water depths affect the gear as well as the body. Also, the affects of temperature on the gear will be researched, as well as the most efficient combination of gases in the gear at various water depths.

Scuba Scuba diving is the act of swimming underwater while using Self Contained Underwater Breathing Apparatus

History Of SCUBA First arose during World War II and originally used to refer to USA combat frogmen's oxygen rebreathers. Scuba in modern times usually refers to the in-line open-circuit equipment

Types of scuba sets 1 open-circuit a type of SCUBA-diving equipment where the user breathes from the set and then exhales to the surroundings without recycling the exhaled air

Types of scuba sets 2 closed-circuit/semi-closed circuit Here the diver breathes in from the set, and out back into the set where the exhaled gas is processed to make it fit to breathe again.

Wet Suit Cold-water wetsuits are built differently, have seams which do not leak, and provide good protection from cold water up to 60 minutes in shallow water.

Dry suit provides thermal insulation to the wearer while immersed in water protects the whole human body, except the head, hands, and possibly the feet

Gas mixtures Normal atmospheric air Enriched Air Nitrox (21% oxygen, 78% nitrogen, 1% other) can be used, so long as the diver is properly trained in their use. Enriched Air Nitrox which is air with extra oxygen, often with 32% or 36% oxygen, and thus less nitrogen, reducing the effect of decompression sickness and nitrogen narcosis.

Decompression sickness Decompression sickness (DCS), the diver’s disease, the bends, or caisson disease is the name given to a variety of symptoms suffered by a person exposed to a decrease in the pressure around the body.

Nitrogen narcosis Aka inert gas narcosis is a reversible change in consciousness producing a state similar to alcohol intoxication in scuba divers at depth. It occurs to some small extent at any depth, but in most cases doesn't become noticeable until deeper depths, usually from 30 to 40 meters.

Oxygen toxicity occurs when oxygen in the body exceeds a safe partial pressure. In extreme cases it affects the central nervous system and causes a seizure, which can result in the diver spitting out his regulator and drowning. Oxygen toxicity is preventable provided one never exceeds the established maximum depth of a given breathing gas.