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It may be necessary to let everyone on the earth die to prevent the destruction of the universe. Rheingold in 92 Computational biology is related to -- but goes beyond -- conventional bio-engineering, because it aims to discover the processes by which the evolutionary drive works its magic, then to apply those powers in an amplified, accelerated, focused manner. Life is a certain kind of pattern, a pattern-reading and pattern-making pattern; whether that pattern is incarnated in DNA or instantiated in computer algorithms, the principles that cause complex forms to evolve from simpler ones seem to apply to silicon as well as carbon. The scientists who crack evolution's code will have opened the portals to powers far greater than the energies at the heart of the atom. It looks as if something even more powerful than thermonuclear weaponry is emanating from that same, strangely fated corner of New Mexico where nuclear physicists first knew sin. Those who follow the progress of artificial-life research know that the effects of messing with the engines of evolution might lead to forces even more regrettable than the demons unleashed at Alamogordo. At least nuclear weaponry and biocidal technologies only threaten life on Earth, and don't threaten to contaminate the rest of the universe. That's the larger ethical problem of a-life. The technology of self-replicating machines that could emerge in future decades from today's a-life research might escape from human or even terrestrial control, infest the solar system, and, given time, break out into the galaxy. If there are other intelligent species out there, they might not react benevolently to evidence that humans have dispersed interstellar strip-mining robots that breed, multiply, and evolve. If there are no other intelligent species in existence, maybe we will end up creating God, or the Devil, depending on how our minds' children evolve a billion years from now. The entire story of life on earth thus far might be just the wetware prologue to a longer, larger, drier tale, etched in silicon rather than carbon, and blasted to the stars -- purposive spores programmed to seek, grow, evolve, expand. That's what a few people think they are on the verge of inventing. Scenarios like that make the potential for global thermonuclear war or destruction of the biosphere look like a relatively local problem. Biocide of a few hundred thousand species (including ourselves) is one kind of ethical problem turning something like the Alien loose on the cosmos is a whole new level of ethical lapse.
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