Self-replicating robots are no longer the stuff of science fiction.
Scientists at Cornell University in Ithaca, N.Y., have created small robots that can build copies of themselves. Each robot consists of several 4-in. cubes that have identical machinery, electromagnets to attach and detach to each other and a computer program for replication. The robots can bend and pick up and stack the cubes.
Read the complete story. (Computerworld)