He's not psychic at all according to Waid and I actually find that explanation a bit of a cop out. Trying to find the how's of real science with him is where I have fun with the character.
Agreed. If you say his powers are psychic, you might as well say they're magic. The fun is trying to figure out a mechanism....
When I was in high school, though, I became the world's expert on why high-gravity red-sunned worlds would NOT breed Supermen, but squat albino dwarves who would get horrible sunburn at the first hint of UV in our sunlight. *Grin*---Al