Self Replicating Systems and Molecular Manufacturing. By Ralph C. Merkle Xerox PARC, 3333 Coyote Hill Road, Palo Alto, CA 94304. This version is adapted and revised from the original version, published in the Journal of the British Interplanetary Society, Volume 45 (1992) pages 407-413. Further information on self replicating systems is available at Copyright 1992 by Xerox Corporation. Abstract Self replicating systems have long been seen as an economical method of exploring space. The desirable economic properties of self-replicating systems are also applicable to more mundane applications. Introduction Design concepts for the use of self replicating systems in space exploration have been discussed for several years [12]. These proposals draw on a body of theoretical work, started by von Neumann, on the design of self replicating systems. The von Neumann architecture for a self replicating system Figure 1. This is rather an abstract proposal and covers a wide variety of specific implementations.
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