We can't explain the universe, just describe it; and we don't know whether our theories are true, we just know they're not wrong. >Harald Lesch
ejac! It's been ages you've been around. Nice to see you.
And then you come back with exactly the answer I was looking for. Thank you. Too bad the link is all Korean and even google can only translate half of it so I can't get anything useful out of it, except the ranking on the right.