Oh dear, how sad, nevermind. (View Post)

That's more commonly written electronically as doing the sub/superscripts isn't easy and wouldn't stand out. Ironically the CO² stood out as it would be more effort to type out if deli… (View Post)

To be pedantic, why are you squaring Oxygen? CO₂ (View Post)

Yeah that makes sense. Though it won't deal with the complaint of some women I know that they dislike using a cubicle after men as men are smellier. Again, at least that's a relatively triv… (View Post)

That's great for low -throughput facilities without crowds. For crowded places, urinals ensure a much faster turnaround of people able to go to the toilet in a minimal amount of space. See eg th… (View Post)