i already can, thanks to Jacques Cousteau. and oxygen alone is not really helpful, especially after 6m when 100% o2 becomes toxic. that said, i'm sure one day

i already can, thanks to Jacques Cousteau. and oxygen alone is not really helpful, especially after 6m when 100% o2 becomes toxic. that said, i'm sure one day it can be combined with other things to help make scuba diving even better!