Since the atoms are indestructible, the disintegration of human body after death should be actually considered as the dispersion of the separate fila… - George Gamow

It was a bank holiday, and Mr Tompkins, the little clerk of a big city bank, slept late and had a leisurely breakfast. Trying to plan his day, he first thought about going to some afternoon movie and, opening the morning paper, turned to the entertainment page. But none of the films looked attractive to him. He detested all this Hollywood stuff, with infinite romances between popular stars. If only there were at least one film with some real adventure, something unusual and maybe even fantastic about it. But there was none. Unexpectedly, his eye fell on a little notice in the corner of the page. The local university was announcing a series of lectures on the problems of modern physics, and this afternoon's lecture was to be about Einstein's Theory of Relativity. Well, that might be something!

— Disculpe, pero ¿podría decirme por qué yo no tengo compañero, mientras que todos los demás lo tienen? — le gritó. — ¿Por qué? ¡Porque éste es un átomo impar y tú eres el electrón de valenciaaa…!

But since the velocity is equal to the height of the thin rectangle, and the time interval to its base, this product is equal to the area of the rectangle.