Quote Originally Posted by Cloudstrife4003
Probably a mechanical device or machine-or they put some kind of breathable water in there? A tiny machine-producing oxygen-beacause water is made out of some of oxygen-perhaps it converts it into breathable oxygen ^_^
Yep that is what Wikipedia says scientists do to get dogs and mice to breathe "water"... Oxigenate a fluor based liquid and have it constantly cleaned of CO2.