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Self-Replicating NanoMachines: A Kinematic Cellular Automata ApproachTihamer Toth-Fejel*General Dynamics
This study describes recent research completed for the NASA Institute for Advanced Concepts in self-replicating machines, concentrating on an approach using Kinematic Cellular Automata (KCA) configured as a small-envelope Universal Constructor. This system is compared with other approaches. Applications such as space exploration and terraforming will be discussed, as well as potentially drastic reductions in fabrication costs for electronics and other products. In addition, guidelines for the safe and responsible use of this technology are addressed. Because NIAC funded Phase I of this project, we now have:
The design of one KCA Self-Replicating System (SRS) is dicussed in particular, with a hierarchical specification of structure, functionality, and control mechanisms. Simulation results of different aspects of the KCA SRS are presented, some of which could be extended to model an entire self-replicating system. The essential problem of machine self-replication is described: a KCA SRS could - in a well-defined environment - assemble basic inert parts into symmetrical facets of modular dynamic cells that are configured into Assembler, Transporter, and Controller subsystems. *Corresponding Address:
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