Your Computer Is a Photograph

Richard Feynman, a hero to more than one generation of physicists and computer scientists, brought wide attention to the potential of the very small in a famous talk to the American Physical Society, on December 29, 1959. In that talk he anticipated, by a few decades, the now burgeoning field of nanotechnology. He had a way of getting directly to the heart of his subject, at the same time making it all seem obvious. It’s simple, anyone could have seen it, and, as he says at one point after describing how the Encyclopedia Brittanica can fit on the head of