Self-replicating factory will be built on the Moon. Experts said that the current technology does allow the construction of a factory, which in a few years will be able to build their own copy. These plants, in terms of production on asteroids are of considerable interest. Indeed, self-reproducing apparatus weighing one kilogram, working in the sunlight, subject to the availability of resources will provide two and a half years, a trillion of these machines.
Report "Advanced Automation for Space Missions"