On the left here, you see video of a person's wrist, and on the right, you see video of a sleeping infant, but if I didn't tell you that these were videos, you might assume that you were looking at two regular images, because in both cases, these videos appear
A la izquierda, se ve un video de la muñeca de una persona, y a la derecha, el video de un bebé dormido, pero si yo no dijera que se trataba de videos, se puede suponer que uno mira imágenes normales, porque en