http://themindunleashed.org/2014/01/revolutionary-scuba-mask-creates-breathable-oxygen-underwater.html
http://professionalsoldiers.com/forums/showthread.php?t=44700&highlight=Oxygen
the search engine is my friend, the search engine is my friend, the search engine is my friend, the search engine is my friend, my mistake :(
Been there, done that, more than once. :eek: