In fact, if you look really closely at stuff, if you look at the basic substructure of matter, there isn't anything there. Electrons disappear in a kind of fuzz, and there is only energy.
De hecho, si miran con cuidado, si miran la subestructura básica de la materia, no encontrarán nada; los electrones desaparecen fugaces y sólo hay energía.