Linux machines however, are fine on their own
rule 35 - if porn cannot be found of it, it must be created.
I think you may have mistaken N2O (Laughing Gas - Nitrous Oxide) and NO2 (Nitrogen Dioxide). N2O is a colourless, sweet smelling anaesthetic gas whilst NO2 is a toxic brown gas that is often present in exausts.
Two very different compounds indeed...