An old idea for colonization of the solar system is to create a self-replicating machine that just goes and carves out settlements for settlers. https://en.wik

An old idea for colonization of the solar system is to create a self-replicating machine that just goes and carves out settlements for settlers. https://en.wikipedia.org/wiki/Self-replicating_spacecraft#Von_Neumann_probes https://en.wikipedia.org/wiki/Self-replicating_spacecraft#Vo...