Un buen ejemplo nos lo proporciona el Dr. Richard P. Feynman, Premio nobel de física (1965), en una entrevista realizada el 29 de diciembre de 1959 en la reunión anual de la Sociedad Americana de Física en el Instituto de Tecnología de California (Caltech) y nos lo explica de la siguiente manera:
La cabeza de un alfiler es un dieciseisavo de pulgada de ancho. Si se magnifican por 25.000 diámetros, el área de la cabeza de la clavija es entonces igual a la superficie de todas las páginas de la Enciclopedia Británica. Por lo tanto, todo lo que es necesario hacer es reducir en tamaño de toda la escritura en la Enciclopedia de 25.000 veces. (Feynman, 1959)
Entrevista titulada: “There’s Plenty of Room at the Bottom – An Invitation to Enter a New Field of Physics.”
http://www.youtube.com/watch?v=eKj5lAmy9Wk&feature=player_embedded
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