Originally posted by Robtard
Wiki can be used as a supplement when we don't have something clear in the films or if it supports the films, for obvious reasons. It does both in this case.It's as 'made up BS' as is the Harry Potter spells.
I wasn't critiquing the films tech. I was pointing out that they never say how it works. Even if the filmmaker himself tells you after the fact, no on screen feats are there to back it up. Spells however are by and far specific. Lumos makes you wand light up for example.