[igravious]

> The volume of a circle would presumably be zero, but yes I've used the wrong word.

i guess?

> I sometimes wish there was a forum that allowed editing of spelling in other peoples posts and they could just accept the changes (same with Twitter). You could spend all your days correcting obvious mistakes...

nice and interesting idea except some people are awful and would abuse that feature :(

maybe you should make a forum with that feature!