" magic swirls about us like an invisible fog of energy that can be tapped by those gifted enough, using a variety of techniques that center on layered spelling, mumbled incantations, and a burst of concentrated thought channeled through the index fingers. The technical name for this energy is " variable electro-gravitational mutable subatomic force," which doesn't mean anything at all--confused scientists just gave it an important-sounding name so as not to lose face. The usual term is " wizidrical energy," or simply " the crackle. "