FERMI
A Fermi is a metric unit of length equal to one quadrillionth of a meter (10-15 meter). It is named after Enrico Fermi who was an Italian-born American physicist. He won a 1938 Nobel Prize for his work on artificial radioactivity caused by neutron bombardment. In 1942, at the University of Chicago, he produced the first controlled nuclear chain reaction.
In contrast to things that are big, Fermi represents the beginning of a chain reaction. It starts small, but through intentional linking over time creates an exponential effect, a major shift within the church's way of viewing its mission and opportunity within the culture.