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Stephen Wolfram, of Mathematica and Wolfram Alpha fame, has a conversation on the Singularity with Gregory Benford.

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  • Luke Stanley 2 years ago
    The bit at the end is great! I quote the brilliant Stephen Wolfram:

    I have a feeling ... where our Universe in the space of all possible Universes will be something more bizarre than we've possibly thought of. ... my guess right now... out of a large collection of these possible universes they are all in some bizarre sense equivalent. ... It has to do with the interaction of us as observers in these universes and the actual dynamics of the universes themselves, and that somehow within a large class of these universes they are all precisely equivalent in every detail once you factor out the fact the observer has to be themselves in this universe - watching the sorts of dynamics of the universe themselves.

    Many thanks to Michael Anissimov for the upload and Vassar and the rest of his team for putting the conference together.
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  • MG Subramanian 2 years ago
    It is good that Stephen does not present computational irreducibility as a doctrine of despair.But some more motivating examples of how problems of matching available paths to human purposes would really help.In short A New Kind of Engineering will be logical consequence to a New Kind Of Science.Will Stephen write it?
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  • Bill Lauritzen 2 years ago
    Primes and highly composite numbers are "computationally irreducible". You can't find out if they are prime, or highly composite, except by trial and error--just like with certain "computationally irreducible" computer programs.
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  • Vindra Khanai 2 years ago
    What does he mean when he says we are universe number "whatever" in "a very large number". What defines the numbering scheme, and why does it matter what number we are?
  • Philadelphia Philms 1 year ago
    I also wondering about the way he enumerates the possible universes. I think he starts with the simplest axiom systems and then gradually adds more rules/complexity. So the simplest axiom system would be 1 and it would count up from there. Because he thinks that the rules for our universe are relatively simple, he doesn't think it will be the bazillionth program since that would correspond to a more complicated set of rules. Then he was saying that if it turns out to be the 1017, you would ask yourself why this arbitrary number? Rather than say, "why not 1017?", he believes there will be a twist so that a whole bunch of the candidate universes are equivalent when you consider the observer being within the system itself... at least i think that is what he was saying.
  • Niobe Yrebrac 1 year ago
    The number itself is not significant, it just indicates a position in whatever numbering scheme Wolfram has chosen to represent all possible programs in the class of programs he is looking at. The first such program is 1 and the last will be the same cardinality as the total number of possible programs in that class. The numbering scheme varies dramatically with the type of program, but in Wolfram's case is always elegantly simple, and of course provides a convenient way to talk about particular instances of programs, for example, the infamous Rule 30. Look up NKS online and you will find an explanation of the scheme for simple cellular automata that will give you the idea.
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