Re: Difference between Q and Harry Potter wizards?
Clarke's 3rd Law: Any sufficiently advanced technology is indistinguishable from magic.
I assume the Q use technology whereas Harry Potter and friends channel some latent natural energy through possession of a genome that doesn't express Muggleness. I've never been remotely interested in reading the books or watching the films so this is my uninformed speculation. Even the Q get pretty tiresome...
"It is a lonely life, the way of the necromancer... oh, yes. Lacrimae Mundi - the tears of the world."