This could change SCUBA as we know it.

[August]

This is some really cool stuff!

http://themindunleashed.org/2014/01/...nderwater.html

Revolutionary Scuba Mask Creates Breathable Oxygen Underwater On Its Own

[Tango589]

That sounds cool, but wouldn't you need some sort of emergency back-up in case you were down deep and the device failed?

[Schroeder]

Originally Posted by Tango589

That sounds cool, but wouldn't you need some sort of emergency back-up in case you were down deep and the device failed?

Do you have one for your regular scuba gear?

[August]

Originally Posted by Schroeder

Do you have one for your regular scuba gear?

Indeed. Backup in such an unforgiving environment is an absolute must.

My question is how they're gonna get around oxygen toxicity under pressure.

[Jimbuna]

Originally Posted by August

Indeed. Backup in such an unforgiving environment is an absolute must.

I'm certainly no expert on diving but I totally agree and have never went diving (in my younger days) without backup.

[Wolferz]

It would be cool to use in the pool. Down deep requires exotic mixtures.
Too rich for my wallet.

[Aktungbby]

Originally Posted by Tango589

That sounds cool, but wouldn't you need some sort of emergency back-up in case you were down deep and the device failed?

A pony leg tank strapped next to the ankle knife; Gives you 5 to ten minutes extra. Actually had to do a hundred foot ascent off Maui with no air (stupid assigned partner)...by the book...so you don't embolize in the alveoli! Get calm, look up to straighten passages, and don't rise faster than the bubbles and Don't stop breathing in and out(exhaling is critical) even if just to rebreathe the residual amount in your own lungs. since most of my older buddies and instructors have eventually gotten bends, I just keep it above 30 feet these days so the nitrogen time is not a factor. Still wear my SEIKO dive watch after 33 years too. And still have a SCUBA-PRO AIR-TWO double regulator for any 'buddy breathing' panic situations. I'm a heavy breather, not a 'sipper' so I use the large Aluminum tank. Would screw up my diminished courage though, to use Heli-ox to dive the Jersy coast U-boat wreck. Dove my first 100' footer on the Hannah Hooper? off Bonaire, Dutch Antilles some decades ago; torpedoed by a U-boat. I do the CA Channel Island occasionally for night spiny lobster(red lamp with net bag) and fresh scallops-pure sushi on the aft-deck while still in my neoprene suit...YumAugust has got it though, pure O past 1 atmosphere (33') causes convulsions whereas normal air at 100' only nitrogen narcosis...