vixtor
Contributor
A breathing device that would extract oxygen from the water: you will have to carry only a small ammount of nitrogen/helium that would be recirculated and combined with that instant oxygen as needed.
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a navigation system that gets you back to where you started
Hollis has the closest thing... I will try and post a picture of it.I'm waiting for a underwater GPS system.
Heated wetsuit anybody?
A breathing device that would extract oxygen from the water: you will have to carry only a small ammount of nitrogen/helium that would be recirculated and combined with that instant oxygen as needed.
Heated wetsuit anybody?
A tank the size of a thermos with the same bottom time at a 100cf tank...