[Loki delivers his answer in a casual tone, as if he's not overly worried about this as more than an academic question. Emotional appeals are, as far as he's concerned, now Obi-wan's territory.] Obviously you know about the nasty business going on. We've developed something of a cure, partially finished, but some factor seems missing. 'tis quite frustrating. I can do out the formulae for you, if you like.