Additionally, cryogenic liquids such as liquid nitrogen have boiling points below that of oxygen and are capable of condensing atmospheric oxygen, resulting in a localized, oxygen-enriched environment ...

For nearly a year, SpaceX has been trying out something new: super-cooling the liquid oxygen (LOX) which is a key ingredient in rocket fuel. It's called deep-cryo LOX, and the idea has been around ...

As for [oxygen and nitrogen], we create aviator's breathing oxygen and we also have a cryogenic plant that creates liquid oxygen and liquid nitrogen. The liquid oxygen is used as aviator's ...