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An Israeli Inventor has developed a breathing apparatus that will allow breathing underwater without the assistance of oxygen tanks. This new invention will use the relatively small amounts of air that already exist in water to supply oxygen to both scuba divers and submarines. The invention has already captured the interest of most major diving manufacturers as well as the Israeli Navy.
The idea of breathing underwater without cumbersome oxygen tanks has been the dream of science fiction writers for many years. In George Lucas’ movie "The Phantom Menace", Obi-Wan whips out a little Jedi underwater breathing apparatus and dives in. As things tend to happen in our world, yesterday’s science fiction has turned into today's science fact due to one Israeli inventor with a dream.
There are a number of limitations to the existing oxygen tank underwater breathing method. The first is the amount of time a diver can stay underwater, which is the result of the oxygen tank capacity. Another limitation is the dependence on oxygen refueling facilities near the diving site which are costly to operate and are used to compress the gas into the tanks which might be dangerous if not handled properly. The final problem has to do with the actual use of oxygen tanks underwater. When these tanks are in use they empty out and change the balance of the diver in the water.
Engineers have tried to overcome these limitations for many years now. Nuclear submarines and the international space station use systems that generate Oxygen from water by performing 'Electrolysis', which is chemical separation of Oxygen from Hydrogen. These systems require very large amounts of energy to operate. For this reason, smaller, diesel fueled submarines cannot use these systems and are required to resurface to re-supply their oxygen tanks every so often. Divers can't even consider carrying such large machines not to mention supplying them with energy. To overcome this limitation an Israeli inventor, Alon Bodner, turned to fish.
Fish do not perform chemical separation of oxygen from water; instead they use the dissolved air that exists in the water in order to breathe. In the ocean the wind, waves and underwater currents help spread small amounts of air inside the water. Studies have shown that in a depth of 200m below the sea there is still about 1.5% of dissolved air. This might not sound like much but it is enough to allow both small and large fish to breathe comfortably underwater. Bodner’s idea was to create an artificial.............. more here: www.isracast.com...
Originally posted by Ken_Allen
Good invention, I see a lot of potential especially if they get those new batteries that last for like 8 years on one of those
Why can't things be made to replicate Fish's gills? They still need oxygen, with that...just pop it in your mouth and go