A systems analysis of tbe future evolution of man can be conducted by analyzing tbe biological material of the galaxy into three subsystems: man, intelligent machines, and intelligent extraterrestrial organism. A binomial interpretation is applied to this system wherein each of the subsystems is assigned a designation of success or failure. For man the two alternatives are, respectively, ‘decline’ or ‘flourish’, for machine they are ‘become intelligent’ or ‘stay dumb’, while for extraterrestrial intelligence the dichotomy is that of ‘existence’ or ‘nonexistence’. The choices for each of three subsystems yield a total of eight possible states for the system. The relative lack of integration between brain components makes man a weak evolutionary contestant compared to machines. It is judged that machines should become dominant on Earth witbin 100 years, probably by means of continuing development of existing man-machine systems. Advanced forms of extraterrestrial intelligence may exist but are too difficult to observe. The prospects for communication with extraterrestrial intelligence are reviewed.
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