The Powers of Ten is a 1977 short documentary from which the relative proportions of things from microscopic to cosmic level shows in powers of ten. The film opens with a picnic in a park; where the image has a width of one meter . Then, slowly zoomed out: first to an image with ten feet (or 101m) diameter, after 100 metres (102m), 1 km (103m). So it becomes clear that the picnic takes place in Chicago, Illinois, USA. This is so on to the image 1026 metres, or the size of the visible universe, as diameter. The camera then zooms back in: first on our Galaxy, then on our solar system, the Earth, back on Chicago, the park and picnic. Once there, the camera goes by, to explore the negative powers of ten, to the hand of a man, the skin, the cells, the cell nucleus, the DNA, the molecules, theat