This has probably been done before, but I assign Physics. I can never beMordor Physics enough. Even when I think I had understood the basic concepts, I always find myself staring at the problem set, wondering how in the world to solve anything.
I'm sure Sauron himself spent a bit of time effortlessly figuring out what the magnitude and direction of the net electric field is at the summit of Mount Doom due to the charges from his gigantic spotlight up Barad-dûr.
