Our Lives, Controlled From Some Guy’s Couch - New York Times
Dr. Bostrom assumes that technological advances could produce a computer with more processing power than all the brains in the world, and that advanced humans, or “posthumans,” could run “ancestor simulations” of their evolutionary history by creating virtual worlds inhabited by virtual people with fully developed virtual nervous systems.
Some computer experts have projected, based on trends in processing power, that we will have such a computer by the middle of this century, but it doesn’t matter for Dr. Bostrom’s argument whether it takes 50 years or 5 million years. If civilization survived long enough to reach that stage, and if the posthumans were to run lots of simulations for research purposes or entertainment, then the number of virtual ancestors they created would be vastly greater than the number of real ancestors.
My question is that (and the article attempts to answer little bit at the end, but not at all satisfactorily) what happens if the super-computer in this instance of simulation becomes more powerful than the one that is hosting it? Will the simulation will end well before that? Maybe it’s scheduled to terminate in 2012… (you read it here first!)
One of the first commenter of the article offers this as disproof:
It’s unlikely that we live in a simulation. To accurately model the universe, a simulator would require at least as much information as contained in the universe itself. Since the amount of information is well-nigh infinite, there really is no way to do this. An inaccurate simulation could be made, but the aggregate of all inaccuracies would either become noticeable or nullify the purpose of running the simulation in the first place.
Hm… convincing. But one can argue that not everything in the simulation need to be as accurate as possible - just accurate enough for the subjects being simulated will not realize one day wtf?!
So, what should we do, or how should we act if we are, in fact, living inside a simulator? One economist offers this advice
If you might be living in a simulation then all else equal you should care less about others, live more for today, make your world look more likely to become rich, expect to and try more to particpate in pivotal events, be more entertaining and praiseworthy, and keep the famous people around you happier and more interested in you.
Ok, sounds good to me, regardless I am inside a simulation or not.
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