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Surviving the Extremes: Underwater

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Kristabel Gichina

on 23 May 2013

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Transcript of Surviving the Extremes: Underwater

Surviving the Extremes:
& How to Prevent Them Proposals - Another one of the major problems with diving are the predators of the deep. Sharks. While there are many so called "solutions" for the shark problem, the only one that will keep the sharks away and is safe for the environment is our invention, SharkAway. It is a mix of safe chemicals and herbs in powder form that when introduced to sharks and other predators of the deep with make them stay away. The mixture is activated when mixed with water. There will be two tubes running up the sides of the legs on a wet suit, both filled with the powder. The tubes then run up the sides of the torso, line up the armpit to the arm, ending at the wrist. At the wrist the tube has a flip top, opened by the motion of flicking the wrist. The entire contraption is activated by a button on the goggles mentioned before. When activated and the wrist is flicked, the powder will shoot out wherever the hand is pointed. It will be mixed with water and cause the predator to turn away. - One of the biggest problems of diving is or lack thereof. Oxygen tanks have proven unreliable and flawed. The proposed solution is some thing we call the H2O converter. It has the ability to take the water surrounding it and convert it into oxygen. The H2O converter has a single thick strap to go around the head, and the actual device covering the mouth and nose. There are goggles connected to the nose part with another strap going around the top of the head. This invention will take care of the problem and allow divers to stay underwater for much longer. It is powered by a hydrogen-carbon dioxide battery. When the device converts the water to oxygen, the leftover hydrogen and carbon dioxide breathed out travel through the strap tubes into a battery between the two straps on the back of the head. This way the device is self-sustained. There are two lights on the goggles(also powered by the battery) activated by a button on the side of the goggles. Respiratory
- if water enters the lungs, breathing stops and you die
- when underwater, you need an oxygen tank if you get nervous and start to breathe rapidly, your oxygen depletes
- the lungs can collapse due to the pressure Circulatory
- the bends - WBC's and platelets are infected with bacteria, aka the WBC's cannot fight infection
- water floods the lungs and gets in the blood vessels and increases blood volume and pressure
- bubbles get into the blood and are carried to the rest of the body Skeletal
- the bends - you can't walk because bubbles collect around the joints causing pain
- great depth and increase in pressure causes temporary impairment of the ability to move Nervous
- immense pressure causes damage to the nerves causing hearing loss, damage, and impairment
- great depth and increase in pressure causes temporary loss of senses Immune
- ruptured ear drum allows for infection
- WBC's are infected with bacteria and cannot fight infection The Systems Drowning
-Make sure your oxygen tank is full,
-Be physically fit in order to hold your breath for a long time should something happen to the your tank
The Bends
-DO NOT go down or up too fast and don't go too deep
-Know your limits
Nitrogen Narcosis
-limit the depth of the dive
-Extensive training encouraged The Bends Underwater One of the most interesting chapters in Surviving The Extremes was the Underwater chapter.One part that was especially the fact that some people dive to deep depths without any oxygen tanks of equipment. The danger, and the bravery, are what made Underwater the most exciting chapters in the whole book. Biggest Threats When high-pressure gases in the air come in contact with water, they dissolve into the water. This is how carbonated beverages are made. To make carbonated water, water is exposed to high-pressure carbon dioxide gas, and the gas dissolves into the water. When you release the pressure in a bottle of soda, bubbles suddenly start rising. The gas dissolved in the water at high-pressure comes out of the liquid when the pressure is released, and we see it as bubble.
If a scuba diver stays under water, for example at a depth of 100 feet, for a certain period of time, some amount of nitrogen from the air will dissolve in the water in his or her body. If the diver were to swim quickly to the surface, it is just like uncorking the bottle of soda -- the gas is released. This can cause this very painful , and sometimes fatal, condition. Sources http://adventure.howstuffworks.com/outdoor-activities/water-sports/question101.htm By:
Kristabel Gichina
Michelle Bennett
Elizabeth Bennett
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