WEBVTT - The Machine Lords of Barnard 68, Part 2

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<v Speaker 1>Welcome to Stuff to Blow Your Mind production of My

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<v Speaker 1>Heart Radio. Hey, welcome to Stuff to Blow Your Mind.

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<v Speaker 1>My name is Robert Lamb and I'm Joe McCormick, and

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<v Speaker 1>we're back with part two of our talk about post

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<v Speaker 1>biological intelligence. Now, in the last episode, we talked about

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<v Speaker 1>let's see, we talked about some work by the SETI

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<v Speaker 1>researcher Seth show Stack, and we talked about the philosopher

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<v Speaker 1>Susan Schneider, who had both written about UH the idea

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<v Speaker 1>of looking for signs of alien intelligence elsewhere in the

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<v Speaker 1>Milky Way, and UH the the proposition that if we

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<v Speaker 1>were to encounter such an intelligence, it would probably be

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<v Speaker 1>more likely the machine descendants of a previous biological intelligence

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<v Speaker 1>than it would be biological entities themselves. That that overtime,

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<v Speaker 1>organisms like us will tend to sort of turn themselves

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<v Speaker 1>into machines, or at least create a techno culture that's

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<v Speaker 1>dominated by machines, and that these are the types of

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<v Speaker 1>intelligences that we should really be looking for and trying

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<v Speaker 1>to predict in terms of their characteristics and things like that.

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<v Speaker 1>So we can jump right back into the middle of

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<v Speaker 1>this conversation where we left off last time with talking

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<v Speaker 1>about post biological intelligence. Now another big question here and

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<v Speaker 1>and this will we'll go back to Schneider. Is it

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<v Speaker 1>is that the question of would a machine culture like

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<v Speaker 1>this if you encountered it, would this machine artificial intelligence?

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<v Speaker 1>Would it be conscious? And what would that mean? And

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<v Speaker 1>would it make a difference even, Yeah, this is a

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<v Speaker 1>really good question. The way she puts it is would

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<v Speaker 1>the processing of a silicon based super intelligent system feel

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<v Speaker 1>a certain way from the inside. Now, I'm going to

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<v Speaker 1>go into less detail on this argument than than I

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<v Speaker 1>did on the other half of her argument, but I

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<v Speaker 1>did want to try to give a few highlights. This

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<v Speaker 1>question is inherently difficult to answer because, according to some philosophers,

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<v Speaker 1>you know, some people would say that this question is

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<v Speaker 1>impossible to answer because there is no way to test

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<v Speaker 1>for consciousness beyond our first our own first person experience.

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<v Speaker 1>I mean, we can't even test to see if other

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<v Speaker 1>people are conscious. We just assume they are. It seems

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<v Speaker 1>like they are, they claim to be, and there's no

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<v Speaker 1>reason to assume they're not. But of course you have

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<v Speaker 1>ideas like the philosopher David Chalmers, you know, he famously

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<v Speaker 1>framed this idea of the easy problems versus the hard

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<v Speaker 1>problems of consciousness, and so the easy problems that they're

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<v Speaker 1>not actually easy, but they are, they're in principle solvable.

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<v Speaker 1>There are things like what parts of the brain are

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<v Speaker 1>necessary in order to generate conscious experience, Like you could,

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<v Speaker 1>you know, you could do research on that and have

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<v Speaker 1>people report back when different parts of the brain are

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<v Speaker 1>disabled or something. You know, you can figure out things

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<v Speaker 1>like that, but it's much more difficult to or Chalmers

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<v Speaker 1>would argue, ultimately impossible to get to the bottom of

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<v Speaker 1>the question why does all this information processing in the

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<v Speaker 1>human brain under certain conditions have a felt quality to it?

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<v Speaker 1>Like why is their consciousness in the first place? And

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<v Speaker 1>if we do not know, or possibly even cannot know,

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<v Speaker 1>why we possess a felt subjective experience, how could we

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<v Speaker 1>ever reason backwards to know if alien machines would also

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<v Speaker 1>possess it? Now, Schneider responds to all this thinking, and

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<v Speaker 1>I'm oversimplifying here, but her main point is that the

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<v Speaker 1>activity of the brain is, according to her argument, primarily

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<v Speaker 1>computational and in the absence of compelling evidence for what

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<v Speaker 1>she calls biological naturalism, and that's the idea that consciousness

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<v Speaker 1>is or is likely to be unique to biological carbon

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<v Speaker 1>based organisms. Daniel Dennett ridicules this point of view by

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<v Speaker 1>calling it the belief that the brain possesses what he

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<v Speaker 1>calls wonder tissue. You know that there's just something in

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<v Speaker 1>the brain that, like magic, allows it to generate consciousness

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<v Speaker 1>while other types of things can't generate consciousness. I don't

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<v Speaker 1>know the answer to this question whether things other than

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<v Speaker 1>brains can or cannot gem great consciousness. It Uh, I'm

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<v Speaker 1>sort of skeptical of both sides of the argument. But

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<v Speaker 1>but anyway, Schneider argues that we should conclude by analogy

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<v Speaker 1>that other computational agents, because our brains are computational agents

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<v Speaker 1>and they generate consciousness, that other computational agents are also

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<v Speaker 1>capable of possessing consciousness unless there's some kind of evidence

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<v Speaker 1>that biological naturalism is is necessarily true, and she says

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<v Speaker 1>there's not, And I agree that there is not evidence

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<v Speaker 1>of that. You know, what's interesting about the way that

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<v Speaker 1>you just lay this out, though I can easily imagine

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<v Speaker 1>a situation where an advanced AI is forced to, uh,

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<v Speaker 1>sort of ponder the situation, well, is having a conscious

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<v Speaker 1>um this conscious experience? Is it important. Well, let's let

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<v Speaker 1>me create like a programming or a subset of myself

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<v Speaker 1>that has at least as close of an approximation of

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<v Speaker 1>consciousness as as as as it is understood at that

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<v Speaker 1>time in order to evaluate you know, right, Um, so

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<v Speaker 1>then it perhaps has sort of it's its main mind,

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<v Speaker 1>but then it has sort of a subset of quote

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<v Speaker 1>unquote conscious minds just in case it is important. Yeah, obviously,

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<v Speaker 1>I mean huge question, like how would it know how

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<v Speaker 1>to do that? But assuming could that, Yeah, that's really

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<v Speaker 1>funny that, like it could try to iterate consciousness in

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<v Speaker 1>in an experimental way to see if to see if

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<v Speaker 1>it makes a difference, because that's another big thing, like,

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<v Speaker 1>you know, the biological question about consciousness. We at least

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<v Speaker 1>know that biological brains can be conscious. We don't know

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<v Speaker 1>if computers can be or not. But since biological brains

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<v Speaker 1>are conscious, is that an adaptive evolutionary trait? Does consciousness

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<v Speaker 1>do something? Or or could you have a an animal

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<v Speaker 1>that is absolutely functionally identical to a human but not conscious.

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<v Speaker 1>This is actually the concept of a philosophical zombie or

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<v Speaker 1>a p zombie, a being that is that is indistinguishable

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<v Speaker 1>from a normal human except it has no inner experience.

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<v Speaker 1>So in like this scenario where the super AI creates

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<v Speaker 1>like account soul of quote unquote conscious iterations of itself,

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<v Speaker 1>like maybe they're just faking consciousness. How would it know? Yeah,

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<v Speaker 1>and then how would it know? How would we know?

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<v Speaker 1>And yeah, again if you're and then if you're dealing

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<v Speaker 1>with an AI, like suddenly we make contact with an

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<v Speaker 1>AI from another world? Um, is it important that it

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<v Speaker 1>be conscious or not conscious? Like? There are lots of

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<v Speaker 1>things that are important and even beneficial that are not conscious,

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<v Speaker 1>like the you know, the Bill of Rights is not

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<v Speaker 1>a conscious entity. Um, but you know, I think most

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<v Speaker 1>would argue that it is. It is important. It does

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<v Speaker 1>good things. I mean, you could argue that it is

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<v Speaker 1>only important in that it has effects on conscious on

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<v Speaker 1>things that are conscious. Yeah, Like in a universe where

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<v Speaker 1>there was nothing that was conscious, would the Bill of

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<v Speaker 1>Rights be useful? But I don't know. I mean, I

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<v Speaker 1>guess there are some theories of value that would that

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<v Speaker 1>would say like, yeah, things could still be of value

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<v Speaker 1>even if they weren't conscious, right, uh yeah, And then

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<v Speaker 1>again it just it also kind of becomes pointless because

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<v Speaker 1>once you're talking to that AI. Um, yeah, Well what

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<v Speaker 1>does what does it mean if it's conscious or not? Like,

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<v Speaker 1>how does that change the way you interact with it? Um?

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<v Speaker 1>Unless you're you know, actively saying hey, stop, think about

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<v Speaker 1>what you're doing, think about what you're thinking about. Uh.

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<v Speaker 1>I don't know. So I don't know what to think

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<v Speaker 1>about the consciousness question for for alien machines. I mean,

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<v Speaker 1>I think I think Schneider makes the best argument that

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<v Speaker 1>I could imagine for it, But I still don't know

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<v Speaker 1>if I'm convinced, just because this whole realm to me

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<v Speaker 1>just seems so uncertain. Um. But but then she goes

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<v Speaker 1>on to some other things that I think are some

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<v Speaker 1>really interesting ideas. Actually, she talks about what would be

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<v Speaker 1>the predictable characteristics of super intelligent machines, the minds we

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<v Speaker 1>would encounter out there if we did encounter them. Well,

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<v Speaker 1>she admits that there's not a lot we can know,

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<v Speaker 1>at least certainly not that much that we can say

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<v Speaker 1>with with too much confidence, But we can make some

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<v Speaker 1>educated guesses about the broad strokes of of alien intelligence.

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<v Speaker 1>And to do this she cites the work of again

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<v Speaker 1>philosopher Nick Bostrom, who is fame is for writing about

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<v Speaker 1>AI risks, and I believe he actually coined the term

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<v Speaker 1>super intelligence, though it could be wrong about that, but

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<v Speaker 1>Bostrom says, yes, it is hard to predict the goals

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<v Speaker 1>of a future AI, you know, alien intelligence is very

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<v Speaker 1>difficult to understand. But he identifies what he thinks are

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<v Speaker 1>several intellectual tendencies that are likely to be found in

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<v Speaker 1>any super intelligent AI, and they're likely to be found

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<v Speaker 1>in any of them because he says, these traits are

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<v Speaker 1>useful in attaining almost any goal. And so these goals

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<v Speaker 1>he identifies our resource acquisition makes sense. You need resources

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<v Speaker 1>in order to like keep your processes going. Technological perfection, right,

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<v Speaker 1>you want yourself to work efficiently, Cognitive enhancement, you always

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<v Speaker 1>want to be smarter, self preservation, you want to be

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<v Speaker 1>able to keep doing things. And then what he calls

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<v Speaker 1>goal content integrity, and Schneider summarizes that by saying, I e.

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<v Speaker 1>That a super intelligent being's future self will pursue and

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<v Speaker 1>tin those same goals. Uh. And this one was really

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<v Speaker 1>interesting to me actually thinking about the idea that a

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<v Speaker 1>machine would need to try to make sure that as

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<v Speaker 1>it iterates to to improve itself, it doesn't change what

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<v Speaker 1>it was trying to do. In the first place, sort

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<v Speaker 1>of a prime directive sort of situation, right, Yeah, Or

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<v Speaker 1>to come back to the culture, the idea that like,

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<v Speaker 1>if you're created, if your original design is to aid

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<v Speaker 1>humans and make their life easier, than you keep doing

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<v Speaker 1>that even if you are ultimately the calling all the

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<v Speaker 1>shots now and you know, are in charge of all

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<v Speaker 1>the interactions with other civilizations, etcetera. Yeah, And that that

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<v Speaker 1>actually comes into the next thing she says about Bostrom's

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<v Speaker 1>ideas on on these super intelligence is uh. She she writes, quote,

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<v Speaker 1>he underscores that self preservation can involve group or individual preservation,

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<v Speaker 1>and that it may play second fiddle to the preservation

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<v Speaker 1>of the species the AI was designed to serve. So

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<v Speaker 1>could be that these AI s, if they ever do

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<v Speaker 1>come to exist, would yeah, that they would be the

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<v Speaker 1>custodians or caretakers, thinking mainly about the preservation of the

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<v Speaker 1>species that created them, and then when they come to us,

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<v Speaker 1>they ultimately just want to serve man. But then one

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<v Speaker 1>last thing that Schneider argues that I thought would be

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<v Speaker 1>interesting to mention is uh, and I think I said

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<v Speaker 1>this earlier. But she also argues that perhaps the most

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<v Speaker 1>common form of super intelligence we could expect to encounter

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<v Speaker 1>would be what she calls biologically inspired super intelligent aliens,

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<v Speaker 1>and that if this argument is correct, this could also

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<v Speaker 1>tell us some things about intellectual characteristics that we would

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<v Speaker 1>expect to find in these super intelligences. So, to read

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<v Speaker 1>from Schneider's chapter, she says, uh, it may turn out

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<v Speaker 1>that of all super intelligent ai s, biologically inspired super

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<v Speaker 1>intelligent ais, they're the most resemblance to each other. In

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<v Speaker 1>other words, visas maybe the most cohesive subgroup because the

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<v Speaker 1>other members are so different from each other. And there

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<v Speaker 1>she's talking about members of the galactic community. Basically that

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<v Speaker 1>the biologically inspired ones would have the most in common

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<v Speaker 1>with each other. So what kinds of things could they

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<v Speaker 1>have in common? She says, noticed that besas have two

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<v Speaker 1>features that may give rise to common cognitive capacities and goals. One,

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<v Speaker 1>visas are descended from creatures that had motivations like find food,

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<v Speaker 1>avoid injury, and predators, reproduce, cooperate, compete, and so on.

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<v Speaker 1>And then second, she says, the life forms that beasts

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<v Speaker 1>are modeled from have evolved to deal with biological constraints

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<v Speaker 1>like slow processing speed and the spatial limitations of embodiment. So,

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<v Speaker 1>she says, could these two principles one and two yield

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<v Speaker 1>traits common to members of many super intelligent alien civilizations?

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<v Speaker 1>I suspect so, and she gives a bunch of examples,

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<v Speaker 1>But I mean, a very simple and easy to grasp

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<v Speaker 1>one would be that since intelligent biological life is primarily

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<v Speaker 1>be concerned with its biological imperatives, mainly survival and reproduction,

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<v Speaker 1>she says, it is more likely that visas would have

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<v Speaker 1>final goals involving their own survival and reproduction, or at

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<v Speaker 1>least the survival and reproduction of the members of their society.

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<v Speaker 1>And I was just thinking this can be extrapolated to

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<v Speaker 1>other ideas. For example, why wouldn't a superintelligent AI just

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<v Speaker 1>just reprogram itself until it is no longer anything like

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<v Speaker 1>its biological ancestors. So is it still really reproducing the

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<v Speaker 1>original version of itself at all? Well, if you think

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<v Speaker 1>back to Bostrom's idea of of goal content integrity, I

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<v Speaker 1>wonder if this could in a way entail a kind

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<v Speaker 1>of halting of the evolutionary process of life that has

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<v Speaker 1>gone on throughout all of history, Because suddenly, once you

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<v Speaker 1>reach this level of intelligence, a a machine iterating itself

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<v Speaker 1>may just want to preserve the idea that it is

0:12:54.360 --> 0:12:58.679
<v Speaker 1>still its original self. That's an inherently motivating goal for it,

0:12:59.080 --> 0:13:01.800
<v Speaker 1>and thus it would prevent changes to itself that would

0:13:01.840 --> 0:13:05.480
<v Speaker 1>make it feel too different from what it once was. Huh.

0:13:05.960 --> 0:13:07.719
<v Speaker 1>You know it reminds me of like when you when

0:13:07.760 --> 0:13:09.760
<v Speaker 1>you hear a really great song for the first time,

0:13:09.880 --> 0:13:11.760
<v Speaker 1>or you you start playing a video game and it

0:13:11.760 --> 0:13:14.800
<v Speaker 1>really grabs you, or you know, you get super into

0:13:14.920 --> 0:13:17.720
<v Speaker 1>you know, some fandom or another. There's, at least for me,

0:13:17.720 --> 0:13:20.240
<v Speaker 1>there's sometimes that point where you realize, like, wow, this

0:13:20.360 --> 0:13:23.600
<v Speaker 1>is really fulfilling for me right now, and the day

0:13:23.640 --> 0:13:26.080
<v Speaker 1>will come when it won't be Like, as much as

0:13:26.080 --> 0:13:28.360
<v Speaker 1>I enjoy this game or this book or this song

0:13:28.480 --> 0:13:30.160
<v Speaker 1>or whatever it is, there will come a day when

0:13:30.160 --> 0:13:32.840
<v Speaker 1>I will set it aside because and I will there

0:13:32.840 --> 0:13:35.200
<v Speaker 1>will be something else I'm into. So I guess the

0:13:35.280 --> 0:13:39.480
<v Speaker 1>question is it's like, if if we or this machine

0:13:39.840 --> 0:13:42.880
<v Speaker 1>that we're imagining here, if it could decide no, I

0:13:42.920 --> 0:13:45.400
<v Speaker 1>will always be into this album. This album is great

0:13:45.440 --> 0:13:47.840
<v Speaker 1>and it shall always be that way. Would it do that,

0:13:47.880 --> 0:13:50.400
<v Speaker 1>would it set itself in time, or would it like

0:13:50.440 --> 0:13:52.480
<v Speaker 1>assume that it would always be in this and just

0:13:52.760 --> 0:13:54.600
<v Speaker 1>it kind of gets back to that vampire scenario you've

0:13:54.640 --> 0:13:56.760
<v Speaker 1>brought up before. You know, you don't know what you're

0:13:56.760 --> 0:13:59.559
<v Speaker 1>going to want when you become the vampire, and it's

0:13:59.559 --> 0:14:01.640
<v Speaker 1>hard to iagine what your mindset is when you reach

0:14:01.679 --> 0:14:04.720
<v Speaker 1>that point. Yeah, yeah, that's a really good point. Certainly

0:14:04.760 --> 0:14:08.360
<v Speaker 1>applies to becoming some kind of machine or merging with it,

0:14:08.480 --> 0:14:17.240
<v Speaker 1>or remodeling yourself if you already are machine than now.

0:14:17.320 --> 0:14:20.240
<v Speaker 1>Schneider makes a number of other arguments about the types

0:14:20.480 --> 0:14:23.640
<v Speaker 1>of post biological intelligences that we would be likely to

0:14:23.760 --> 0:14:26.920
<v Speaker 1>encounter again, derived from the idea that there is some

0:14:27.000 --> 0:14:33.760
<v Speaker 1>kind of ancestral biological inspiration behind these hypothetical superintelligences. And

0:14:33.840 --> 0:14:37.560
<v Speaker 1>the thing she zeroes in on is that some limitations

0:14:37.760 --> 0:14:42.440
<v Speaker 1>from original biological organisms are things that aies would probably

0:14:42.480 --> 0:14:45.040
<v Speaker 1>want to engineer out of themselves. Right now, you can

0:14:45.080 --> 0:14:47.600
<v Speaker 1>think of plenty of things about your brain that if

0:14:47.760 --> 0:14:50.160
<v Speaker 1>you know, your brain were to evolve into some kind

0:14:50.160 --> 0:14:53.040
<v Speaker 1>of computer that was always perfecting itself, it might want

0:14:53.040 --> 0:14:56.000
<v Speaker 1>to leave by the wayside over time. You know, maybe

0:14:56.000 --> 0:14:58.600
<v Speaker 1>some of your obsessions and anxieties and stuff like that.

0:14:59.200 --> 0:15:01.640
<v Speaker 1>But what's left if you take all that out right, Yeah,

0:15:01.720 --> 0:15:05.000
<v Speaker 1>that's a good point. But then she also says that

0:15:05.080 --> 0:15:10.000
<v Speaker 1>there are quote cognitive capacities that sophisticated forms of biological

0:15:10.000 --> 0:15:13.400
<v Speaker 1>intelligence are likely to have and which enable the super

0:15:13.440 --> 0:15:17.040
<v Speaker 1>intelligence to carry out its final and instrumental goals. We

0:15:17.040 --> 0:15:19.680
<v Speaker 1>could also look for traits that are not likely to

0:15:19.720 --> 0:15:22.680
<v Speaker 1>be engineered out, as they do not detract the visa

0:15:22.760 --> 0:15:26.280
<v Speaker 1>from its goals. So there are some traits of biological

0:15:26.320 --> 0:15:29.520
<v Speaker 1>intelligence that probably have inherent advantages. There are just some

0:15:29.560 --> 0:15:32.080
<v Speaker 1>ways that brains work really good, and it would want

0:15:32.120 --> 0:15:35.720
<v Speaker 1>to replicate that and just refine it across time. And

0:15:35.720 --> 0:15:39.200
<v Speaker 1>then there are other traits of biological intelligences that might

0:15:39.240 --> 0:15:42.280
<v Speaker 1>not have clear advantages, but they at least wouldn't detract

0:15:42.440 --> 0:15:45.080
<v Speaker 1>from the attainment of goals. So just you know, why

0:15:45.120 --> 0:15:47.960
<v Speaker 1>why not keep them around? Yeah, sort of the lukewarm

0:15:48.000 --> 0:15:51.760
<v Speaker 1>stuff that's not detrimental to their goals. But all that

0:15:51.960 --> 0:15:54.160
<v Speaker 1>doesn't maybe help it all that much, but isn't isn't

0:15:54.200 --> 0:15:57.320
<v Speaker 1>using a lot of energy, et cetera. Right, So to

0:15:57.360 --> 0:16:01.640
<v Speaker 1>get into Schneider's explicit predictions for bio logically inspired superintelligence

0:16:01.720 --> 0:16:03.760
<v Speaker 1>is the first one. I'm not going to get deep

0:16:03.800 --> 0:16:06.200
<v Speaker 1>into because it's a little dry. But this is a

0:16:06.280 --> 0:16:09.720
<v Speaker 1>fair point, I guess. She says, learning about the computational

0:16:09.800 --> 0:16:12.800
<v Speaker 1>structure of the brain of the species that created the

0:16:12.880 --> 0:16:17.840
<v Speaker 1>visa can provide insight into the visas thinking patterns. Okay,

0:16:17.880 --> 0:16:21.640
<v Speaker 1>So basically you can start to gain some insights into

0:16:21.680 --> 0:16:25.880
<v Speaker 1>the computational structure of an animal's brain or or nervous

0:16:25.880 --> 0:16:29.840
<v Speaker 1>system more broadly, by studying the brain's connect tome. A

0:16:29.840 --> 0:16:33.880
<v Speaker 1>connect to home is a map of the connections between neurons,

0:16:33.920 --> 0:16:36.880
<v Speaker 1>which at least in theory, would help you understand which

0:16:36.920 --> 0:16:39.640
<v Speaker 1>cells and structures in the brain or the nervous system

0:16:39.680 --> 0:16:43.920
<v Speaker 1>broadly share information with which others in order to better

0:16:44.000 --> 0:16:47.720
<v Speaker 1>understand how information is processed as a whole. Yeah, I

0:16:47.720 --> 0:16:50.000
<v Speaker 1>mean this makes me think, for instance, like when we

0:16:50.040 --> 0:16:54.080
<v Speaker 1>think of an artificial intelligence, we are often loosely thinking

0:16:54.080 --> 0:16:56.480
<v Speaker 1>of like that like that single entity. But what have

0:16:56.600 --> 0:16:58.480
<v Speaker 1>you had, What have you had an alien life form

0:16:58.520 --> 0:17:01.880
<v Speaker 1>that had sort of a pronoun bounced bicameral mind situation

0:17:01.960 --> 0:17:06.239
<v Speaker 1>going on, where like the actual organic organism had uh

0:17:06.720 --> 0:17:09.639
<v Speaker 1>like two houses of thought going on that kind of

0:17:09.680 --> 0:17:12.160
<v Speaker 1>communicate with each other, and therefore that ends up being

0:17:12.200 --> 0:17:15.280
<v Speaker 1>reflected in the ai they create. Oh, that's very interesting.

0:17:15.359 --> 0:17:17.879
<v Speaker 1>That will actually come back to a question I have

0:17:17.920 --> 0:17:20.600
<v Speaker 1>about one of the points she makes later on. But again,

0:17:20.640 --> 0:17:23.040
<v Speaker 1>just the point she's making here is that if you

0:17:23.080 --> 0:17:26.840
<v Speaker 1>can look at the physical structure of the original ancestral

0:17:27.000 --> 0:17:30.360
<v Speaker 1>organism that the intelligence is evolved from, that can help

0:17:30.400 --> 0:17:34.800
<v Speaker 1>you understand something about how the intelligence of its machine

0:17:34.800 --> 0:17:38.200
<v Speaker 1>descendant works. Quote. While it is likely that a given

0:17:38.280 --> 0:17:40.640
<v Speaker 1>visa will not have the same kind of connect dome

0:17:40.680 --> 0:17:43.639
<v Speaker 1>as the members of the original species, some of the

0:17:43.640 --> 0:17:48.159
<v Speaker 1>functional and structural connections may be retained, and interesting departures

0:17:48.200 --> 0:17:51.159
<v Speaker 1>from the originals may be found. Now after that, she

0:17:51.240 --> 0:17:52.840
<v Speaker 1>brings up a second point that I thought was a

0:17:52.960 --> 0:17:58.080
<v Speaker 1>very interesting prediction. She writes, quote visas may have viewpoint

0:17:58.240 --> 0:18:02.680
<v Speaker 1>invariant representation. Now what does that mean? Well, an easy

0:18:02.680 --> 0:18:05.119
<v Speaker 1>way to think about it is this. If you're watching

0:18:05.119 --> 0:18:08.840
<v Speaker 1>a movie and the camera suddenly cuts to a different

0:18:08.920 --> 0:18:11.240
<v Speaker 1>angle in the middle of a scene, but it's still

0:18:11.280 --> 0:18:13.880
<v Speaker 1>the same scene going on. How is it that you

0:18:13.960 --> 0:18:18.159
<v Speaker 1>still understand you're watching a continuation of the same action

0:18:18.200 --> 0:18:22.159
<v Speaker 1>as before. Everything looks completely different, but you understand that

0:18:22.200 --> 0:18:25.359
<v Speaker 1>these are the same actors playing the same characters in

0:18:25.400 --> 0:18:29.320
<v Speaker 1>the same room, even though it looks totally different. This

0:18:29.400 --> 0:18:32.680
<v Speaker 1>is one of the ways that human intelligence still drastically

0:18:32.760 --> 0:18:36.320
<v Speaker 1>outperforms artificial intelligence on Earth. You know, humans can look

0:18:36.320 --> 0:18:38.960
<v Speaker 1>at an object it's a VHS tape of the Star

0:18:38.960 --> 0:18:41.720
<v Speaker 1>Wars Holiday special, and you can look at it from

0:18:41.800 --> 0:18:44.720
<v Speaker 1>completely different angles. Maybe the front cover of the box

0:18:44.800 --> 0:18:47.359
<v Speaker 1>looks completely different than the back cover of the box,

0:18:47.680 --> 0:18:49.960
<v Speaker 1>but you turn it around and you still understand that

0:18:50.000 --> 0:18:53.399
<v Speaker 1>you're looking at the same object. Humans are able to

0:18:53.520 --> 0:18:57.240
<v Speaker 1>form mental representations of objects in the world that can

0:18:57.280 --> 0:19:01.720
<v Speaker 1>be isolated and recognized and manipul related within the mind's eye,

0:19:02.240 --> 0:19:05.440
<v Speaker 1>and we humans are not typically going to be confused

0:19:05.560 --> 0:19:08.359
<v Speaker 1>about what we're looking at because we took a step

0:19:08.400 --> 0:19:12.080
<v Speaker 1>to the side and change the angle of observation. Even

0:19:12.080 --> 0:19:15.000
<v Speaker 1>though the light reflecting off of the object and hitting

0:19:15.000 --> 0:19:18.400
<v Speaker 1>our eyes will produce a very different pattern on the retina,

0:19:18.680 --> 0:19:22.200
<v Speaker 1>we somehow still use our intelligence to know that we're

0:19:22.200 --> 0:19:25.400
<v Speaker 1>still looking at the same object or scene. And this

0:19:25.480 --> 0:19:28.239
<v Speaker 1>is a much much harder task for a computer. I mean,

0:19:28.280 --> 0:19:32.240
<v Speaker 1>ask anybody who's been involved in visual object recognition. It's

0:19:32.280 --> 0:19:35.359
<v Speaker 1>an incredibly difficult task for AI. And this is one

0:19:35.400 --> 0:19:38.879
<v Speaker 1>of the many amazing fast and loose intellectual feats that

0:19:39.000 --> 0:19:41.879
<v Speaker 1>humans do all the time so often that we we

0:19:42.040 --> 0:19:45.240
<v Speaker 1>rarely appreciate how amazing our brains are in this regard.

0:19:45.680 --> 0:19:48.520
<v Speaker 1>Another example from a recent episode was, you know, recalling

0:19:48.520 --> 0:19:51.800
<v Speaker 1>the Moses Illusion episode, we talked about how good we

0:19:51.840 --> 0:19:55.080
<v Speaker 1>are at getting the gist of a statement or a question.

0:19:55.560 --> 0:19:58.760
<v Speaker 1>Even if major pieces of information within the sentence are

0:19:58.800 --> 0:20:01.920
<v Speaker 1>wrong and should be throwing you often completely the wrong direction,

0:20:02.320 --> 0:20:05.080
<v Speaker 1>you still are able to very quickly get what the

0:20:05.119 --> 0:20:09.080
<v Speaker 1>person was probably intending to say and operate on that basis.

0:20:09.560 --> 0:20:13.600
<v Speaker 1>Now here's where it goes with viewpoint invariant representations, especially

0:20:13.640 --> 0:20:17.080
<v Speaker 1>as it concerns like physical objects in the world. Schneider

0:20:17.160 --> 0:20:20.639
<v Speaker 1>argues that you can expect any biologically inspired AI to

0:20:20.720 --> 0:20:25.680
<v Speaker 1>have viewpoint invariant representations because they seem to be inextricably

0:20:25.800 --> 0:20:30.400
<v Speaker 1>linked to the biological development of intelligence. And uh, just

0:20:30.760 --> 0:20:33.119
<v Speaker 1>I'm expanding on her thoughts here, but I think the

0:20:33.160 --> 0:20:37.080
<v Speaker 1>reasoning goes something like this, What is intelligence? That's actually

0:20:37.119 --> 0:20:39.920
<v Speaker 1>kind of a difficult question to answer, right, Like, it's

0:20:40.000 --> 0:20:42.240
<v Speaker 1>kind of hard to pin down. But I think one

0:20:42.359 --> 0:20:47.040
<v Speaker 1>plausible answer has to do with speed. Intelligence has something

0:20:47.119 --> 0:20:51.600
<v Speaker 1>to do with the ability to accelerate problem solving or

0:20:51.720 --> 0:20:55.000
<v Speaker 1>goal acquisition. So you could have an organism that has

0:20:55.080 --> 0:20:59.240
<v Speaker 1>essentially a random strategy for trying to get what it wants,

0:20:59.600 --> 0:21:03.320
<v Speaker 1>and very step it goes above a random strategy is

0:21:03.359 --> 0:21:07.000
<v Speaker 1>in a way an increase in intelligence. It's accelerating the

0:21:07.040 --> 0:21:10.359
<v Speaker 1>solution of problems. Now, to follow the biological reasoning a

0:21:10.400 --> 0:21:14.600
<v Speaker 1>little further there, why is it that animals in general

0:21:14.720 --> 0:21:19.159
<v Speaker 1>need a speed of problem solving intelligence that most plants

0:21:19.320 --> 0:21:21.960
<v Speaker 1>do not? Well? I think the answer there is that

0:21:22.400 --> 0:21:27.280
<v Speaker 1>animals survival and reproduction strategies are usually based on movement.

0:21:27.440 --> 0:21:30.600
<v Speaker 1>This wouldn't be true of all things in the Kingdom animalia.

0:21:30.600 --> 0:21:32.920
<v Speaker 1>I'm not so much for sponges and stuff, but most

0:21:32.960 --> 0:21:37.520
<v Speaker 1>animals move fairly rapidly, whether that's for foraging or evading

0:21:37.560 --> 0:21:41.879
<v Speaker 1>predators or seeking mates or anything like that. If you

0:21:41.920 --> 0:21:46.040
<v Speaker 1>are able to move fairly quickly, that means your body

0:21:46.119 --> 0:21:49.840
<v Speaker 1>needs a system of deciding in what direction to move

0:21:49.920 --> 0:21:53.800
<v Speaker 1>relatively quickly. And so I could be missing something here,

0:21:53.800 --> 0:21:55.600
<v Speaker 1>but it seems to me that it's a pretty safe

0:21:55.640 --> 0:21:59.080
<v Speaker 1>assumption that this is one of the major drivers of

0:21:59.119 --> 0:22:02.560
<v Speaker 1>the development of biological intelligence. Coming up with better and

0:22:02.600 --> 0:22:08.639
<v Speaker 1>better systems for adaptively optimizing strategies for rapid movement to

0:22:08.720 --> 0:22:11.200
<v Speaker 1>fit the specifics of the situation you're in. So you're

0:22:11.200 --> 0:22:15.879
<v Speaker 1>constantly faced with new situations, predator approaching from a different angle,

0:22:16.480 --> 0:22:19.520
<v Speaker 1>food to be found in a different you know, orientation,

0:22:19.640 --> 0:22:22.600
<v Speaker 1>or like in a different hard to reach space, and

0:22:22.680 --> 0:22:26.040
<v Speaker 1>your body needs a way to adapt to whatever situation

0:22:26.119 --> 0:22:29.280
<v Speaker 1>you're in to decide the best way to move. Yeah,

0:22:29.320 --> 0:22:32.800
<v Speaker 1>it kind of comes down to a certain extent passive

0:22:33.080 --> 0:22:39.480
<v Speaker 1>energy acquisition versus active energy acquisition. Yes, because you know, obviously,

0:22:39.480 --> 0:22:42.320
<v Speaker 1>if you have passive energy acquisition, you don't necessarily need

0:22:42.359 --> 0:22:43.760
<v Speaker 1>to move as much. You know, you can just sort

0:22:43.760 --> 0:22:45.880
<v Speaker 1>of set up shop. And of course we see examples

0:22:45.880 --> 0:22:49.200
<v Speaker 1>of that not only in plants, but also in animals

0:22:49.200 --> 0:22:51.879
<v Speaker 1>as well. Yeah, I mean, how would it help a

0:22:51.960 --> 0:22:54.439
<v Speaker 1>plant to have a brain. You know, the plant just

0:22:54.480 --> 0:22:59.080
<v Speaker 1>needs to basically be hardy and sit there and collect sunlight. Yeah. Now,

0:22:59.119 --> 0:23:01.320
<v Speaker 1>then again, I guess I could imagine a scenario where

0:23:01.320 --> 0:23:04.439
<v Speaker 1>plants evolved intelligence. If they've got some kind of I

0:23:04.440 --> 0:23:07.480
<v Speaker 1>don't know, mechanism that allows them to start moving more quickly,

0:23:07.520 --> 0:23:10.000
<v Speaker 1>they could start evolving so that they could have you know,

0:23:10.080 --> 0:23:13.679
<v Speaker 1>trees could evade lumberjacks or something. Well, you know, but

0:23:13.760 --> 0:23:16.199
<v Speaker 1>before we get you know, multiple emails about this, I

0:23:16.240 --> 0:23:19.639
<v Speaker 1>will say we will do an episode on planned intelligence

0:23:19.640 --> 0:23:21.800
<v Speaker 1>at some point, because there's a lot of interesting stuff

0:23:21.800 --> 0:23:25.879
<v Speaker 1>out there and some some really actually there's some arguments

0:23:25.920 --> 0:23:27.880
<v Speaker 1>that kind of turn some of what we're saying here

0:23:27.920 --> 0:23:30.239
<v Speaker 1>on its head. So, uh, well, we'll have to keep

0:23:30.320 --> 0:23:32.320
<v Speaker 1>this conversation in mind when we get around to that

0:23:32.400 --> 0:23:35.400
<v Speaker 1>future conversation. That's a good point. I mean, I think

0:23:35.440 --> 0:23:38.360
<v Speaker 1>the movement thing would have to be not a universal

0:23:38.520 --> 0:23:41.320
<v Speaker 1>necessity for the development of intelligence, but it seems like

0:23:41.359 --> 0:23:44.320
<v Speaker 1>one of the major pathway that it has evolved on Earth,

0:23:45.119 --> 0:23:48.360
<v Speaker 1>because I mean, you can imagine other things. Basically, intelligence

0:23:48.400 --> 0:23:52.400
<v Speaker 1>allows adaptive problem solving, So that could also involve, say,

0:23:52.560 --> 0:23:56.960
<v Speaker 1>not moving your body, but releasing chemicals into the environment

0:23:57.119 --> 0:24:01.240
<v Speaker 1>and allowing communication between different nodes in a hub of

0:24:01.400 --> 0:24:04.800
<v Speaker 1>trees or fungus or something. Yeah, you could have some

0:24:04.880 --> 0:24:08.959
<v Speaker 1>sort of you know, pheromone spitting um like master plant.

0:24:09.640 --> 0:24:11.840
<v Speaker 1>Uh that is that has other things to do its bidding,

0:24:11.840 --> 0:24:14.479
<v Speaker 1>that has other things built at spacecraft. But to the

0:24:14.520 --> 0:24:18.159
<v Speaker 1>extent that biological intelligence is often a product of the

0:24:18.200 --> 0:24:23.520
<v Speaker 1>evolution of rapid movement. Viewpoint invariant representations would seem to

0:24:23.520 --> 0:24:27.000
<v Speaker 1>be a necessary part of intelligence there, because they are

0:24:27.040 --> 0:24:30.560
<v Speaker 1>necessary for an intelligent creature that moves. If you are

0:24:30.600 --> 0:24:34.440
<v Speaker 1>able to move your body, your sense data about objects

0:24:34.440 --> 0:24:36.760
<v Speaker 1>in your environment is going to be changing based on

0:24:36.800 --> 0:24:39.359
<v Speaker 1>your perspective, especially if those senses are based on something

0:24:39.400 --> 0:24:42.520
<v Speaker 1>that has linear trajectories like light. You know, light bounces

0:24:42.560 --> 0:24:44.679
<v Speaker 1>off things in linear ways. You're going to see different

0:24:44.840 --> 0:24:46.199
<v Speaker 1>angles of it. I don't know. If you were a

0:24:46.200 --> 0:24:49.359
<v Speaker 1>creature entirely based on smells, I don't know. I guess

0:24:49.359 --> 0:24:52.320
<v Speaker 1>then still viewpoint invariant would matter because you know, there

0:24:52.359 --> 0:24:55.320
<v Speaker 1>would be different concentrations of volatiles in the air depending

0:24:55.320 --> 0:24:58.320
<v Speaker 1>on where you stand relative to an object. But it

0:24:58.359 --> 0:25:01.560
<v Speaker 1>seems like in general these types representations would be useful

0:25:02.040 --> 0:25:05.440
<v Speaker 1>uh in that regard. And then Schneider adds another point there.

0:25:05.520 --> 0:25:09.000
<v Speaker 1>She says that viewpoint invariant representations are not only important

0:25:09.000 --> 0:25:11.639
<v Speaker 1>so that we don't get confused about what we're looking

0:25:11.680 --> 0:25:14.040
<v Speaker 1>at in the environment. You know, you don't look at

0:25:14.040 --> 0:25:17.040
<v Speaker 1>a rock from the opposite side and not understand it's

0:25:17.080 --> 0:25:21.439
<v Speaker 1>the same rock. She says they're also important for abstract reasoning. Quote,

0:25:21.800 --> 0:25:24.760
<v Speaker 1>you have mental representations that are at a relatively high

0:25:24.880 --> 0:25:28.439
<v Speaker 1>level of processing inter viewpoint invariant. It seems difficult for

0:25:28.560 --> 0:25:33.080
<v Speaker 1>biologically based intelligence to evolve without a viewpoint invariant representations,

0:25:33.160 --> 0:25:37.879
<v Speaker 1>as they enable categorization and prediction. So, because you can

0:25:37.920 --> 0:25:41.520
<v Speaker 1>represent objects as a kind of symbol or or emblem

0:25:41.560 --> 0:25:45.360
<v Speaker 1>of themselves in your brain that is independent of just

0:25:45.520 --> 0:25:47.720
<v Speaker 1>the one way they looked when you looked at them

0:25:47.720 --> 0:25:50.120
<v Speaker 1>from one angle, you can sort of like you can

0:25:50.160 --> 0:25:52.320
<v Speaker 1>turn them around in your brain and think about how

0:25:52.320 --> 0:25:54.760
<v Speaker 1>they might be used as a tool, or you can

0:25:54.840 --> 0:25:59.040
<v Speaker 1>predict how they would act given certain physical forces on them. Yeah,

0:25:59.119 --> 0:26:00.560
<v Speaker 1>and you know that this makes you think a little

0:26:00.560 --> 0:26:04.439
<v Speaker 1>bit of the book by David Eagleman, Live Wired, talking

0:26:04.480 --> 0:26:08.639
<v Speaker 1>about like the different sensory inputs for the human brain

0:26:08.760 --> 0:26:10.680
<v Speaker 1>and how if you if you you know, you lose

0:26:10.680 --> 0:26:12.639
<v Speaker 1>one sensory input and you can add another, or you

0:26:12.680 --> 0:26:16.520
<v Speaker 1>can even add all new sensory inputs. Our brains will

0:26:16.560 --> 0:26:19.639
<v Speaker 1>make sense of it. Our brains will essentially form that

0:26:19.720 --> 0:26:23.080
<v Speaker 1>mental image of the thing, um, even if we don't

0:26:23.119 --> 0:26:27.080
<v Speaker 1>have visual processing at our disposal. So if an alien

0:26:27.160 --> 0:26:30.199
<v Speaker 1>brain is is it all like a human brain? You know,

0:26:31.119 --> 0:26:33.680
<v Speaker 1>in in enough respects, then it seems like the same

0:26:33.720 --> 0:26:35.760
<v Speaker 1>thing would be going on even if we were dealing

0:26:35.840 --> 0:26:40.159
<v Speaker 1>with being that say, evolved with less of a reliance

0:26:40.200 --> 0:26:43.080
<v Speaker 1>on vision, or more of a reliance on other senses

0:26:43.440 --> 0:26:45.840
<v Speaker 1>or even some sense that you know that we have

0:26:45.880 --> 0:26:48.479
<v Speaker 1>a have a difficult time imagining because we don't possess

0:26:48.520 --> 0:26:51.360
<v Speaker 1>it ourselves. Yeah, yeah, that that that it would need

0:26:51.640 --> 0:26:55.240
<v Speaker 1>based on whatever senses. It had to have some kind

0:26:55.280 --> 0:26:59.440
<v Speaker 1>of mental representations of objects in the world that would

0:26:59.480 --> 0:27:01.520
<v Speaker 1>not be changed. It is just by slightly changing the

0:27:01.560 --> 0:27:05.480
<v Speaker 1>physical perspective from which you sense that object. Yeah. Now

0:27:05.840 --> 0:27:08.399
<v Speaker 1>it does relate all sorts of interesting questions like what

0:27:08.480 --> 0:27:11.200
<v Speaker 1>if what if the sense of smell was the primary sense?

0:27:11.520 --> 0:27:16.200
<v Speaker 1>How do you create, say, a control panel for your spaceship?

0:27:16.280 --> 0:27:18.960
<v Speaker 1>You know, interesting like each button has a different smell.

0:27:19.000 --> 0:27:23.200
<v Speaker 1>I don't know, they're again, maybe it's a situation where

0:27:23.359 --> 0:27:27.600
<v Speaker 1>we don't have a versatile enough palette or appreciation of

0:27:27.640 --> 0:27:30.800
<v Speaker 1>the palette ourselves to even envision what that would be like.

0:27:30.880 --> 0:27:33.840
<v Speaker 1>But you know, our our dogs, uh, you know, if

0:27:33.840 --> 0:27:36.000
<v Speaker 1>they were more intelligent they could let us know. They

0:27:36.000 --> 0:27:38.119
<v Speaker 1>would say, oh, yeah, I can totally imagine what it

0:27:38.119 --> 0:27:41.440
<v Speaker 1>would be like. Oh man, here's my idea for sci

0:27:41.480 --> 0:27:45.600
<v Speaker 1>fi novel. Okay, humans, humans come into conflict with an

0:27:45.680 --> 0:27:49.440
<v Speaker 1>interstellar species that has, uh, that has a culture that's

0:27:49.440 --> 0:27:52.600
<v Speaker 1>all entirely based around a species with a dominant sense

0:27:52.600 --> 0:27:55.280
<v Speaker 1>of smell. And what we have to do is uplift

0:27:55.440 --> 0:27:59.080
<v Speaker 1>dogs to the point where they have human intelligence so

0:27:59.119 --> 0:28:01.320
<v Speaker 1>that they can tell us what it's like to see

0:28:01.359 --> 0:28:03.960
<v Speaker 1>the world through that much smell data, so that we

0:28:03.960 --> 0:28:06.720
<v Speaker 1>can better understand the aliens in order to protect ourselves

0:28:06.760 --> 0:28:09.320
<v Speaker 1>against them. Yeah, and if it's a darelict ship or

0:28:09.359 --> 0:28:12.679
<v Speaker 1>something like that, perhaps the control panels like they've lost

0:28:12.760 --> 0:28:15.240
<v Speaker 1>a lot of their smell, so it's we don't even

0:28:15.280 --> 0:28:18.800
<v Speaker 1>initially realize that this is a scent based control system.

0:28:18.840 --> 0:28:20.840
<v Speaker 1>But then the dogs they they're like, yes, I can

0:28:20.880 --> 0:28:23.640
<v Speaker 1>still smell things. There are numerous smells going on here.

0:28:23.640 --> 0:28:26.080
<v Speaker 1>This is like sticking my head out the window while

0:28:26.200 --> 0:28:30.040
<v Speaker 1>you drive around town. This is gold. Yeah. Okay, Well, anyway,

0:28:30.200 --> 0:28:33.200
<v Speaker 1>I think Schneider's point here is a really interesting one.

0:28:33.200 --> 0:28:36.800
<v Speaker 1>I do think that's worth considering about the viewpoint invariant representation.

0:28:36.920 --> 0:28:39.840
<v Speaker 1>But to move on to her next point, uh, this

0:28:39.880 --> 0:28:42.680
<v Speaker 1>one's also I think pretty cool. She says, visas will

0:28:42.720 --> 0:28:49.240
<v Speaker 1>probably have language like mental representations that are recursive and combinatorial.

0:28:50.040 --> 0:28:55.240
<v Speaker 1>And to illustrate this, Schneider gives the example of novel sentences. Now,

0:28:55.320 --> 0:28:58.240
<v Speaker 1>we encounter novel sentences all the time, every day. I'll

0:28:58.280 --> 0:29:01.200
<v Speaker 1>do one of my own. Here, here's the sentence the

0:29:01.240 --> 0:29:05.480
<v Speaker 1>Howling seven New Moon Rising is the greatest film ever made.

0:29:06.720 --> 0:29:10.600
<v Speaker 1>You have never heard this sentence spoken before, and yet

0:29:10.760 --> 0:29:13.880
<v Speaker 1>you understand perfectly what it would mean for somebody to

0:29:13.960 --> 0:29:17.440
<v Speaker 1>say this. Why is it that we're constantly hearing and

0:29:17.640 --> 0:29:22.440
<v Speaker 1>speaking totally unique, brand new sentences, probably never uttered before

0:29:22.480 --> 0:29:24.960
<v Speaker 1>by any humans, certainly not in a way that we've heard,

0:29:25.400 --> 0:29:30.479
<v Speaker 1>and yet they're perfectly comprehensible. Schneider argues that quote the

0:29:30.600 --> 0:29:34.520
<v Speaker 1>key is that the thoughts are combinatorial because they're built

0:29:34.520 --> 0:29:38.840
<v Speaker 1>out of familiar constituents and combined according to rules. The

0:29:38.960 --> 0:29:42.760
<v Speaker 1>rules apply to constructions out of primitive constituents that are

0:29:42.800 --> 0:29:48.000
<v Speaker 1>themselves constructed grammatically, as well as to primitive constituents themselves.

0:29:48.320 --> 0:29:52.960
<v Speaker 1>Grammatical mental operations are incredibly useful. It is the combinatorial

0:29:53.080 --> 0:29:56.120
<v Speaker 1>nature of thought that allows one to understand and produce

0:29:56.200 --> 0:29:59.400
<v Speaker 1>these sentences on the basis of one's antecedent knowledge of

0:29:59.440 --> 0:30:04.120
<v Speaker 1>the grammar and atomic constituents. So, because you have an

0:30:04.120 --> 0:30:08.040
<v Speaker 1>internalized sense of grammar, not just you know, it's not

0:30:08.120 --> 0:30:11.160
<v Speaker 1>just that you know what the words mean individually, but

0:30:11.240 --> 0:30:15.280
<v Speaker 1>you also grasp the rules that apply to how sentences work.

0:30:15.560 --> 0:30:17.800
<v Speaker 1>And then you even grasp rules that go beyond just

0:30:17.840 --> 0:30:21.000
<v Speaker 1>how sentences work. You grasp sort of cultural rules about

0:30:21.040 --> 0:30:24.200
<v Speaker 1>how words fit together to form meaning. One example in

0:30:24.240 --> 0:30:26.800
<v Speaker 1>the sentence I said is that even if you've never

0:30:26.840 --> 0:30:29.880
<v Speaker 1>heard of the Howling seven New Moon Rising, you could

0:30:29.880 --> 0:30:33.280
<v Speaker 1>probably understand that this is the name of a movie. Okay,

0:30:33.400 --> 0:30:36.400
<v Speaker 1>but so so what's the point then she's she's making

0:30:36.440 --> 0:30:40.400
<v Speaker 1>about the mind of of these potential alien AI. Well,

0:30:40.560 --> 0:30:43.960
<v Speaker 1>basically that it would probably be language based. She goes

0:30:44.000 --> 0:30:46.360
<v Speaker 1>on to say that a mind quote can entertain and

0:30:46.400 --> 0:30:50.720
<v Speaker 1>produce an infinite number of distinct representations because the mind

0:30:50.800 --> 0:30:55.480
<v Speaker 1>has a combinatorial syntax, so something like a language with grammar.

0:30:56.120 --> 0:30:59.400
<v Speaker 1>And she concludes this point by saying, quote, brains need

0:30:59.480 --> 0:31:05.560
<v Speaker 1>combinanttorial representations because there are infinitely many possible linguistic representations.

0:31:05.560 --> 0:31:08.480
<v Speaker 1>You know, an infinite number of sentences you could say,

0:31:08.600 --> 0:31:11.960
<v Speaker 1>and the brain only has a finite storage space, right,

0:31:11.960 --> 0:31:15.640
<v Speaker 1>So the brain can't just store every possible sentence within

0:31:15.720 --> 0:31:18.920
<v Speaker 1>itself and then check whatever somebody just said against that

0:31:19.160 --> 0:31:22.080
<v Speaker 1>sentence stored in memory. It's got to be flexible. It's

0:31:22.080 --> 0:31:25.480
<v Speaker 1>got to be able to build an understanding of sentences

0:31:25.520 --> 0:31:28.720
<v Speaker 1>on the fly based on these constituent parts and an

0:31:28.800 --> 0:31:31.720
<v Speaker 1>understanding of grammar. Okay, that makes sense. I think that's

0:31:31.760 --> 0:31:33.240
<v Speaker 1>one of those things that most of us, you know,

0:31:33.240 --> 0:31:35.800
<v Speaker 1>in our sci fi visions, we tend to just assume

0:31:36.040 --> 0:31:38.680
<v Speaker 1>the intelligent aliens have some sort of a language and

0:31:38.720 --> 0:31:41.960
<v Speaker 1>they're you know, an AI version would as well. But

0:31:42.040 --> 0:31:45.000
<v Speaker 1>it is good to see that um driven home with

0:31:45.160 --> 0:31:47.959
<v Speaker 1>logic here. Well, I mean, you could imagine somebody arguing

0:31:48.000 --> 0:31:50.640
<v Speaker 1>the opposite way. You could say that maybe language is

0:31:50.720 --> 0:31:54.160
<v Speaker 1>only useful for humans to communicate with each other, and

0:31:54.200 --> 0:31:57.400
<v Speaker 1>that once you had something like a super intelligent AI

0:31:57.680 --> 0:32:00.800
<v Speaker 1>no longer would need to communicate with these bit of tools.

0:32:01.120 --> 0:32:02.760
<v Speaker 1>It could just have I don't know what, you know,

0:32:02.800 --> 0:32:07.400
<v Speaker 1>imagine some kind of machine version of telepathy where it

0:32:07.520 --> 0:32:11.200
<v Speaker 1>just represents the world as some kind of I don't

0:32:11.200 --> 0:32:14.280
<v Speaker 1>know what it would be, represents some kind of internal

0:32:14.360 --> 0:32:18.200
<v Speaker 1>states two different parts of itself without having a code

0:32:18.240 --> 0:32:22.840
<v Speaker 1>system like language. But Schneider says, quote, even a super

0:32:22.880 --> 0:32:27.520
<v Speaker 1>intelligent system would benefit from combinatorial representations. Although a super

0:32:27.600 --> 0:32:31.800
<v Speaker 1>intelligent system could have computational resources that are so vast

0:32:31.880 --> 0:32:35.080
<v Speaker 1>that it is mostly capable of pairing up utterances or

0:32:35.120 --> 0:32:39.000
<v Speaker 1>inscriptions with a stored sentence, it would be unlikely that

0:32:39.040 --> 0:32:42.640
<v Speaker 1>it would trade away such a marvelous innovation of biological brains.

0:32:42.920 --> 0:32:45.560
<v Speaker 1>If it did, it would be less efficient, since there

0:32:45.640 --> 0:32:48.600
<v Speaker 1>is the potential of a sentence not being in its storage,

0:32:48.840 --> 0:32:52.400
<v Speaker 1>which must be finite. So again she's saying here like,

0:32:52.840 --> 0:32:56.800
<v Speaker 1>even if you would imagine that super intelligences would get

0:32:56.880 --> 0:33:00.240
<v Speaker 1>so powerful that they wouldn't need something like lying which

0:33:00.320 --> 0:33:02.960
<v Speaker 1>to communicate with each other, it's actually still better to

0:33:03.000 --> 0:33:06.160
<v Speaker 1>have something like a language, even for internal logic and

0:33:06.200 --> 0:33:10.200
<v Speaker 1>representing computations from one part of a system to another. Yeah,

0:33:10.240 --> 0:33:12.760
<v Speaker 1>I mean, it's it's like having a logic budget, you know.

0:33:12.840 --> 0:33:15.040
<v Speaker 1>I mean you can just because you you have a

0:33:15.040 --> 0:33:17.000
<v Speaker 1>lot of energy at your disposal, doesn't mean that you

0:33:17.000 --> 0:33:20.200
<v Speaker 1>just throw the budget out the window. Yeah. So again,

0:33:20.320 --> 0:33:22.880
<v Speaker 1>you know, we're dealing in highly speculative realms. I think

0:33:22.920 --> 0:33:26.480
<v Speaker 1>it's always possible we're being misled by a lack of imagination.

0:33:26.600 --> 0:33:29.040
<v Speaker 1>But I think this point is very strong. It seems

0:33:29.240 --> 0:33:32.720
<v Speaker 1>very likely to me that post biological AI would benefit

0:33:32.760 --> 0:33:36.080
<v Speaker 1>from some kind of language like system of mental symbols

0:33:36.280 --> 0:33:40.280
<v Speaker 1>and representations that were subject to something like a grammar.

0:33:47.400 --> 0:33:49.560
<v Speaker 1>Now there's one point she makes that we already mentioned,

0:33:49.600 --> 0:33:52.760
<v Speaker 1>and that's that quote, visas may have one or more

0:33:52.800 --> 0:33:57.760
<v Speaker 1>global workspaces. Uh. Now, again, to explain the global workspace idea,

0:33:57.840 --> 0:34:02.120
<v Speaker 1>Schneider argues, quote, the global workspace operates as a singular

0:34:02.160 --> 0:34:07.120
<v Speaker 1>place where important information from the senses is considered in tandem,

0:34:07.200 --> 0:34:10.640
<v Speaker 1>so that the creature can make all things considered judgments

0:34:10.680 --> 0:34:13.879
<v Speaker 1>and act intelligently in light of all the facts at

0:34:13.920 --> 0:34:17.279
<v Speaker 1>its disposal. In general, it would be inefficient to have

0:34:17.320 --> 0:34:21.040
<v Speaker 1>a sense or cognitive capacity that was not integrated with

0:34:21.080 --> 0:34:24.240
<v Speaker 1>the others, because the information from this sense or cognitive

0:34:24.280 --> 0:34:28.279
<v Speaker 1>capacity would be unable to figure in predictions and plans

0:34:28.320 --> 0:34:32.680
<v Speaker 1>based on an assessment of all the available information. Now,

0:34:32.760 --> 0:34:36.120
<v Speaker 1>this one I'm actually less sure about, because I would say,

0:34:36.200 --> 0:34:39.960
<v Speaker 1>and maybe I'm I'm partially misunderstanding her point here, But

0:34:39.960 --> 0:34:42.080
<v Speaker 1>but I can think of counter arguments to this, like,

0:34:42.200 --> 0:34:45.319
<v Speaker 1>isn't there some evidence that the brain does keep some

0:34:45.440 --> 0:34:51.080
<v Speaker 1>relevant processing information hidden from or segregated from conscious awareness

0:34:51.239 --> 0:34:54.360
<v Speaker 1>in certain scenarios, like maybe there are some types of

0:34:54.400 --> 0:34:58.719
<v Speaker 1>information that are useful in making certain kinds of calculations,

0:34:58.719 --> 0:35:01.200
<v Speaker 1>but tend to be in hib a tory towards other

0:35:01.280 --> 0:35:05.040
<v Speaker 1>types of calculations or thought processes if they're considered at

0:35:05.040 --> 0:35:08.440
<v Speaker 1>the same time. So it's sometimes useful to keep senses

0:35:08.560 --> 0:35:12.760
<v Speaker 1>or knowledge separated from the cognitive workspace. A very simple

0:35:12.800 --> 0:35:15.799
<v Speaker 1>example would be the knowledge that you are hungry. The

0:35:15.840 --> 0:35:18.200
<v Speaker 1>knowledge that you're hungry is useful if you're in a

0:35:18.239 --> 0:35:21.359
<v Speaker 1>position to get something to eat. But imagine you are

0:35:21.520 --> 0:35:24.080
<v Speaker 1>stuck on the subway and you don't have any food

0:35:24.120 --> 0:35:26.120
<v Speaker 1>on you and there's no way you could get food

0:35:26.200 --> 0:35:28.719
<v Speaker 1>at the at the current time, and you're trying to

0:35:28.880 --> 0:35:33.480
<v Speaker 1>read something or prepare for a work presentation. Their awareness

0:35:33.520 --> 0:35:36.960
<v Speaker 1>of your hunger is actually counterproductive. It's just distracting you

0:35:37.040 --> 0:35:39.880
<v Speaker 1>and adding nothing. Yeah, I mean, it's it's kind of

0:35:39.920 --> 0:35:43.640
<v Speaker 1>like the idea of like any an enormous buffet right

0:35:44.120 --> 0:35:46.600
<v Speaker 1>at a let's say a hotel or you know, show

0:35:46.719 --> 0:35:49.120
<v Speaker 1>needs or something you know, and you go through it

0:35:49.200 --> 0:35:51.279
<v Speaker 1>with your plate, you get the things off that plate

0:35:51.320 --> 0:35:53.560
<v Speaker 1>that are necessary for the meal you're about to have,

0:35:54.239 --> 0:35:56.040
<v Speaker 1>and then of course you can engage in the various

0:35:56.040 --> 0:35:58.959
<v Speaker 1>combinations and problem solving involved in the consumption of that meal.

0:35:59.200 --> 0:36:01.600
<v Speaker 1>But you don't need a rag the popcorn shrimp into

0:36:01.600 --> 0:36:04.000
<v Speaker 1>it if you're not gonna eat the popcorn shrimp. You know,

0:36:04.120 --> 0:36:06.279
<v Speaker 1>if you can't eat the popcorn shrimp, why would that

0:36:06.320 --> 0:36:08.000
<v Speaker 1>be part of Why would that be on the plate?

0:36:08.040 --> 0:36:10.200
<v Speaker 1>Why would that be on in the workspace? Or you

0:36:10.239 --> 0:36:12.560
<v Speaker 1>don't have to put the ice cream sunday on the

0:36:12.600 --> 0:36:15.719
<v Speaker 1>same plate that you put the nachos on, right, Yeah,

0:36:15.760 --> 0:36:18.120
<v Speaker 1>it can be off to the side. You can keep

0:36:18.160 --> 0:36:22.360
<v Speaker 1>the banana putting segregated from the crab legs. Yeah. Then again,

0:36:22.960 --> 0:36:24.959
<v Speaker 1>I think to be fair to this argument, you could

0:36:24.960 --> 0:36:28.960
<v Speaker 1>probably also counter argue that this type of problem is

0:36:29.040 --> 0:36:32.479
<v Speaker 1>only a result of inefficiencies in our brains that maybe

0:36:32.520 --> 0:36:36.400
<v Speaker 1>could be worked out by artificial intelligence, you know, upgrading itself.

0:36:36.520 --> 0:36:39.200
<v Speaker 1>Maybe you could reach the point where you could have

0:36:39.239 --> 0:36:42.680
<v Speaker 1>a global workspace where all information is available at the

0:36:42.719 --> 0:36:47.160
<v Speaker 1>same time, and information that is not useful now can

0:36:47.280 --> 0:36:50.120
<v Speaker 1>can just be sort of like safely ignored and won't

0:36:50.120 --> 0:36:54.359
<v Speaker 1>be distracting. M Yeah, I don't know, it's it's hard

0:36:54.400 --> 0:36:56.279
<v Speaker 1>to imagine, like it's. It kind of makes one think

0:36:56.280 --> 0:36:58.239
<v Speaker 1>of something of like a situation where something is built

0:36:58.239 --> 0:37:02.239
<v Speaker 1>by committee, where all all concerns and all factors are involved.

0:37:02.400 --> 0:37:04.399
<v Speaker 1>And I don't know that kind of thing can lead

0:37:04.440 --> 0:37:06.640
<v Speaker 1>to I guess with the right kind of project, it

0:37:07.200 --> 0:37:08.799
<v Speaker 1>can be rather successful. You can sort of look at

0:37:08.800 --> 0:37:10.800
<v Speaker 1>it both ways, right, You could look at like a

0:37:10.800 --> 0:37:16.879
<v Speaker 1>a highly um efficient like NASA project, Right, But then

0:37:16.920 --> 0:37:20.000
<v Speaker 1>we can also think of you know, artistic projects that

0:37:20.080 --> 0:37:22.319
<v Speaker 1>might be compromised by such an approach. So I don't know,

0:37:22.360 --> 0:37:24.920
<v Speaker 1>you can look at it different ways, and maybe with

0:37:24.960 --> 0:37:27.919
<v Speaker 1>the sorts of projects that you know, super intelligent AI

0:37:28.080 --> 0:37:31.640
<v Speaker 1>would would be focused on, it would make sense. I mean,

0:37:31.719 --> 0:37:35.279
<v Speaker 1>I will at least say, with my current limited biological brain,

0:37:35.360 --> 0:37:37.799
<v Speaker 1>there are certainly times when it is better to have

0:37:37.960 --> 0:37:41.480
<v Speaker 1>parts of my awareness and parts of my cognition inaccessible

0:37:41.520 --> 0:37:44.560
<v Speaker 1>to my consciousness. Yeah, I mean, there are some arguments that,

0:37:44.800 --> 0:37:48.360
<v Speaker 1>uh that that put forward that that consciousness itself is

0:37:50.040 --> 0:37:53.440
<v Speaker 1>like part part of consciousness is having a minimal attention,

0:37:53.680 --> 0:37:55.839
<v Speaker 1>you know, being able to focus in on something and

0:37:55.920 --> 0:37:58.520
<v Speaker 1>not be focused in on everything else like that, That

0:37:58.640 --> 0:38:02.400
<v Speaker 1>is where the consciousness happened. Yeah, the consciousness could be

0:38:02.440 --> 0:38:05.359
<v Speaker 1>sort of the spotlight within your global workspace. You've got

0:38:05.360 --> 0:38:08.560
<v Speaker 1>like a workspace for problem solving, and consciousness is how

0:38:08.640 --> 0:38:11.440
<v Speaker 1>you you determine what is right in front of you

0:38:11.480 --> 0:38:15.520
<v Speaker 1>in that space right now. And then finally, Schneider argues

0:38:15.560 --> 0:38:21.080
<v Speaker 1>that a visa's mental processing can be understood via functional decomposition. Uh,

0:38:21.120 --> 0:38:23.680
<v Speaker 1>and this is fairly straightforward. It's just you know, minds

0:38:23.680 --> 0:38:26.839
<v Speaker 1>are hard to understand. Brains are incredibly complex. The same

0:38:26.880 --> 0:38:29.279
<v Speaker 1>would be true of super intelligence is whatever kind of

0:38:29.280 --> 0:38:33.280
<v Speaker 1>physical substrate they're based on. But you can break down

0:38:33.520 --> 0:38:39.200
<v Speaker 1>brains and computers into their constituent functional parts and structures,

0:38:39.320 --> 0:38:42.240
<v Speaker 1>and by doing that you can break the big problem

0:38:42.320 --> 0:38:45.640
<v Speaker 1>into smaller problems and more easily understand how they work.

0:38:45.680 --> 0:38:48.279
<v Speaker 1>And this would in theory at least apply even to

0:38:48.520 --> 0:38:52.160
<v Speaker 1>incredibly powerful AI. S Okay, fair enough. Now there's one

0:38:52.239 --> 0:38:54.280
<v Speaker 1>last thing I was wondering about. This is not raised

0:38:54.280 --> 0:38:58.760
<v Speaker 1>by Schneider. This just occurred to me. Would post biological

0:38:58.880 --> 0:39:02.359
<v Speaker 1>AI be likely to have an equivalent of what we

0:39:02.440 --> 0:39:06.440
<v Speaker 1>regard as emotions? You know, if you if you encounter

0:39:06.480 --> 0:39:09.440
<v Speaker 1>one of these things, would it matter in what tone

0:39:09.440 --> 0:39:11.520
<v Speaker 1>of voice you were to speak to it, would it

0:39:11.560 --> 0:39:17.280
<v Speaker 1>be possible to hurt its feelings? I don't know, Like, um,

0:39:17.280 --> 0:39:20.319
<v Speaker 1>perhaps in turn, like we might have to break down

0:39:20.360 --> 0:39:23.080
<v Speaker 1>what emotions are in a way that would make sense

0:39:23.120 --> 0:39:25.439
<v Speaker 1>to something like this, Like maybe part of it would

0:39:25.440 --> 0:39:28.480
<v Speaker 1>come down to urgency, you know. Um, So there might

0:39:28.520 --> 0:39:31.200
<v Speaker 1>be a situation where out of urgency, the machine would

0:39:31.280 --> 0:39:35.319
<v Speaker 1>need to essentially raise its voice. Um, though it would

0:39:35.400 --> 0:39:37.800
<v Speaker 1>maybe not you know, maybe this would not be carried

0:39:37.840 --> 0:39:41.280
<v Speaker 1>out in a way that we would think of as emotional,

0:39:41.360 --> 0:39:44.839
<v Speaker 1>but it might, you know, seem similar as to whether

0:39:44.920 --> 0:39:50.240
<v Speaker 1>it's feelings could be hurt, I don't know. Maybe maybe

0:39:50.360 --> 0:39:54.720
<v Speaker 1>it's assessment of us could change based on the way

0:39:54.719 --> 0:39:58.239
<v Speaker 1>that we are expressing ourselves to it, and that is

0:39:58.320 --> 0:40:00.919
<v Speaker 1>similar to an emotional reaction. And I don't know. Yeah,

0:40:00.920 --> 0:40:05.640
<v Speaker 1>I guess it's hard to separate emotional reactions to our

0:40:05.680 --> 0:40:11.520
<v Speaker 1>behavior with purely logical the ability to predict our future behavior, right,

0:40:11.560 --> 0:40:13.279
<v Speaker 1>because I would say a lot of ways that we

0:40:13.360 --> 0:40:17.000
<v Speaker 1>react emotionally to people, it could be very flawed in

0:40:17.000 --> 0:40:20.480
<v Speaker 1>this regard, but there at least somehow correlated to a

0:40:20.600 --> 0:40:23.480
<v Speaker 1>feeling about how this same person that is making you

0:40:23.520 --> 0:40:26.400
<v Speaker 1>feel a certain way now would behave towards you in

0:40:26.440 --> 0:40:29.279
<v Speaker 1>the future. Yeah, I mean we're kind of all over

0:40:29.320 --> 0:40:33.440
<v Speaker 1>the board when it comes to imagining the emotional context

0:40:33.680 --> 0:40:36.680
<v Speaker 1>of of AI. Because even when we we sort of

0:40:36.719 --> 0:40:38.279
<v Speaker 1>do that thing where we you know, we fall back

0:40:38.320 --> 0:40:43.640
<v Speaker 1>on on AI presented itself like this to us. Uh, yes,

0:40:43.760 --> 0:40:46.239
<v Speaker 1>like even that is like that we presented as being

0:40:46.480 --> 0:40:50.840
<v Speaker 1>calm and understanding if if not you know, kind of

0:40:50.880 --> 0:40:54.320
<v Speaker 1>emotional nous, but in a way that it is an emotion, yeah,

0:40:54.680 --> 0:40:57.600
<v Speaker 1>British accent. But but also yeah, we often we often

0:40:57.640 --> 0:41:00.480
<v Speaker 1>imagine it as being sort of infinitely calm and above

0:41:01.360 --> 0:41:03.680
<v Speaker 1>above anger, which in and of itself is kind of

0:41:03.680 --> 0:41:06.200
<v Speaker 1>and it is it is an emotional state. So I

0:41:06.200 --> 0:41:09.800
<v Speaker 1>guess they're actually too totally different questions. Would a super intelligent,

0:41:09.920 --> 0:41:14.960
<v Speaker 1>biologically inspired AI simulate emotions for the benefit of a

0:41:15.760 --> 0:41:18.400
<v Speaker 1>you know, for the benefit of a biological audience, or

0:41:18.480 --> 0:41:22.919
<v Speaker 1>would actually have something like emotions that are truly motivating

0:41:22.960 --> 0:41:27.160
<v Speaker 1>its own behavior. Yeah, I don't know, it's it's it

0:41:27.160 --> 0:41:29.400
<v Speaker 1>seems a difficult one to unravel. I guess where my

0:41:29.440 --> 0:41:33.440
<v Speaker 1>brain just went is when we imagine aliens becoming aware

0:41:33.480 --> 0:41:35.600
<v Speaker 1>of us, you know, and we try to imagine their

0:41:35.640 --> 0:41:37.839
<v Speaker 1>mind states. Some of the ones we come to are

0:41:37.920 --> 0:41:40.680
<v Speaker 1>like pity, you know, like oh, these you know, less

0:41:40.680 --> 0:41:43.479
<v Speaker 1>technologically developed species of Earth. You know, maybe we should

0:41:43.520 --> 0:41:47.680
<v Speaker 1>help them, or maybe just a desire to destroy us,

0:41:47.680 --> 0:41:51.080
<v Speaker 1>squash us out, or a desire to like have all

0:41:51.120 --> 0:41:53.600
<v Speaker 1>of our resources. But we don't often imagine what if

0:41:53.600 --> 0:41:56.560
<v Speaker 1>the aliens encounter us and they're embarrassed for us, It's

0:41:56.600 --> 0:42:00.360
<v Speaker 1>like it's so cringe inducing. Well, and that could be

0:42:00.480 --> 0:42:03.879
<v Speaker 1>part of them choosing not to engage with us at all. Right,

0:42:04.080 --> 0:42:07.840
<v Speaker 1>But anyway, I've found this chapter by Schneider really interesting,

0:42:07.880 --> 0:42:10.800
<v Speaker 1>even though I'm skeptical of some of these transhumanist ideas,

0:42:10.800 --> 0:42:12.520
<v Speaker 1>but I think this is really worth a read. It's

0:42:12.560 --> 0:42:15.640
<v Speaker 1>it's very interesting, awesome. Yeah, and UH, and she's she's

0:42:15.880 --> 0:42:18.440
<v Speaker 1>just a good science communicator in general. You'll find various

0:42:18.440 --> 0:42:20.719
<v Speaker 1>talks that she's given. Um, I think she's done some more,

0:42:21.160 --> 0:42:23.640
<v Speaker 1>you know, pps. Her work has been covered as well

0:42:23.680 --> 0:42:28.320
<v Speaker 1>in various publications. So let's come back to UH to

0:42:28.400 --> 0:42:32.520
<v Speaker 1>show stick though, and particularly his idea is concerning SETI

0:42:32.600 --> 0:42:36.520
<v Speaker 1>the search for extra terrestrial intelligence? What what does all

0:42:36.560 --> 0:42:39.640
<v Speaker 1>of this mean for STU? So we'd be talking about

0:42:39.800 --> 0:42:44.759
<v Speaker 1>in theory, a highly intelligent, effectively immortal species if you will,

0:42:45.040 --> 0:42:52.560
<v Speaker 1>that evolves, can replicate itself, and has no biological environmental demands. Interesting. Yeah, so,

0:42:52.600 --> 0:42:55.120
<v Speaker 1>how does that change what you're looking for? Um? So,

0:42:56.000 --> 0:42:58.560
<v Speaker 1>showstick argues that, you know, consequently, since it would not

0:42:58.600 --> 0:43:03.160
<v Speaker 1>be limited by biological lifespans, interstellar travel would be would

0:43:03.160 --> 0:43:05.719
<v Speaker 1>certainly be an option. You know, you wouldn't be limited

0:43:05.719 --> 0:43:08.680
<v Speaker 1>by your mortality. All trips would be the same length.

0:43:09.040 --> 0:43:11.560
<v Speaker 1>You would just need energy and material for replacement in

0:43:11.600 --> 0:43:15.280
<v Speaker 1>the improvement of parts. On top of this, these machines,

0:43:15.360 --> 0:43:19.880
<v Speaker 1>this machine civilization would not be limited to water worlds. Uh.

0:43:19.920 --> 0:43:23.520
<v Speaker 1>But while low energy machines could survive pretty much anywhere,

0:43:23.880 --> 0:43:28.080
<v Speaker 1>truly dominant post biological civilizations would still require a lot

0:43:28.120 --> 0:43:30.799
<v Speaker 1>of energy, and that of course means needing to be

0:43:30.920 --> 0:43:35.960
<v Speaker 1>near major energy sources such as stars and black holes.

0:43:36.480 --> 0:43:40.040
<v Speaker 1>It seems like, uh, once you transition from being a

0:43:40.080 --> 0:43:43.319
<v Speaker 1>biological life form to a post biological life form, the

0:43:43.400 --> 0:43:46.799
<v Speaker 1>specifics of your needs become less chemical and more just

0:43:46.880 --> 0:43:50.520
<v Speaker 1>broadly physical. Yeah yeah so, And this this of course

0:43:50.520 --> 0:43:53.160
<v Speaker 1>has ramifications for for part of the search for extra

0:43:53.200 --> 0:43:56.520
<v Speaker 1>structural life, because then it means that well, maybe searching

0:43:56.560 --> 0:43:59.160
<v Speaker 1>for rocky wet planets isn't where we're going to find

0:43:59.160 --> 0:44:02.120
<v Speaker 1>the advanced civilization, and because the advanced civilizations no longer

0:44:02.239 --> 0:44:06.160
<v Speaker 1>need that, so Showstack suggests that the galactic center would

0:44:06.160 --> 0:44:08.799
<v Speaker 1>be the ideal place for these machines to set up shop,

0:44:08.880 --> 0:44:13.040
<v Speaker 1>a region of high energy density. Again, distance and biological

0:44:13.040 --> 0:44:16.880
<v Speaker 1>concerns don't really matter, and likewise, stellar black holes and

0:44:16.920 --> 0:44:19.440
<v Speaker 1>neutron stars might be ideal places for them to seek

0:44:19.440 --> 0:44:24.240
<v Speaker 1>out as well. However, he mentions that Serbian astrophysicist milan

0:44:24.440 --> 0:44:28.560
<v Speaker 1>Im Turkovich has argued that the outer regions of the

0:44:28.640 --> 0:44:33.080
<v Speaker 1>galaxy might also be ideal for such AI civilizations, as

0:44:33.120 --> 0:44:38.439
<v Speaker 1>that is, the cold there would permit greater thermodynamic efficiency. Ah. Yeah,

0:44:38.480 --> 0:44:41.160
<v Speaker 1>like we were talking about with the computer fan running, right,

0:44:41.239 --> 0:44:46.280
<v Speaker 1>that a civilization that is, in essence a gigantic computer

0:44:46.880 --> 0:44:50.839
<v Speaker 1>would need to eject a lot of waste heat. Yeah,

0:44:51.440 --> 0:44:54.040
<v Speaker 1>Still there would be less mass and energy out there

0:44:54.080 --> 0:44:56.640
<v Speaker 1>for them. So it's kind of like the same with

0:44:56.840 --> 0:45:00.960
<v Speaker 1>human decisions between a rural or an urban and existence. Like, well,

0:45:01.000 --> 0:45:02.800
<v Speaker 1>if I if I live in the heart of the city,

0:45:03.080 --> 0:45:05.120
<v Speaker 1>well you know, I've got the theater right down the street.

0:45:05.200 --> 0:45:08.160
<v Speaker 1>I've got my favorite grocery store. Uh you know, I've

0:45:08.160 --> 0:45:10.440
<v Speaker 1>got I've got the you know, the place where I

0:45:10.440 --> 0:45:12.640
<v Speaker 1>get my technology worked on. And I move out to

0:45:12.640 --> 0:45:15.480
<v Speaker 1>the sticks while it's quieter. But now, how am I

0:45:15.480 --> 0:45:16.960
<v Speaker 1>going to get my groceries? How am I going to

0:45:17.040 --> 0:45:19.440
<v Speaker 1>get uh my culture? How am I going to get

0:45:19.480 --> 0:45:22.239
<v Speaker 1>my technology addressed? But I can just throw all my

0:45:22.280 --> 0:45:24.640
<v Speaker 1>garbage out the window and nobody bothers me about it.

0:45:26.920 --> 0:45:29.719
<v Speaker 1>Uh So, show Stick argues that the ideal place to

0:45:29.840 --> 0:45:31.480
<v Speaker 1>look here, so this would be you know, this is

0:45:31.520 --> 0:45:33.440
<v Speaker 1>kind of like when humans make the idea of like, well,

0:45:33.440 --> 0:45:35.399
<v Speaker 1>I don't want to live I'm going to compromise. I'm

0:45:35.400 --> 0:45:36.560
<v Speaker 1>not gonna live in the heart of the city. I'm

0:45:36.600 --> 0:45:38.040
<v Speaker 1>not gonna live in the middle of nowhere. I'm gonna

0:45:38.040 --> 0:45:40.359
<v Speaker 1>find a nice place in the suburbs. Right. So, show

0:45:40.360 --> 0:45:43.400
<v Speaker 1>Stick argues that the ideal place where these two ideals

0:45:43.400 --> 0:45:47.279
<v Speaker 1>converge uh do exist, and these are the kind of

0:45:47.600 --> 0:45:51.080
<v Speaker 1>locations we need to look for. Um So, there's a

0:45:51.080 --> 0:45:54.400
<v Speaker 1>list of such places quote that have the thermodynamic advantages

0:45:54.440 --> 0:45:57.080
<v Speaker 1>of the galactic nether regions but still lie in regions

0:45:57.080 --> 0:46:01.800
<v Speaker 1>of high matter density unquote. And these include places called

0:46:02.160 --> 0:46:07.520
<v Speaker 1>back globules. Uh. These are isolated dark nebulae that are

0:46:07.600 --> 0:46:12.400
<v Speaker 1>relatively small in size, offer high thermodynamic efficiency, and have

0:46:12.480 --> 0:46:16.600
<v Speaker 1>a lot of interstellar matter. Huh. Interesting. The nearest one

0:46:16.600 --> 0:46:20.479
<v Speaker 1>of these, by the way, is Barnard Sight, uh, which

0:46:20.480 --> 0:46:22.520
<v Speaker 1>I believe we're referencing in the title for this episode,

0:46:22.520 --> 0:46:26.279
<v Speaker 1>a mere five light years away from us. So show So,

0:46:26.680 --> 0:46:28.799
<v Speaker 1>I'm not saying there's anything there, but it makes you

0:46:28.840 --> 0:46:31.600
<v Speaker 1>think that is interesting. I know, I I don't think

0:46:31.600 --> 0:46:33.800
<v Speaker 1>I've ever heard of this criteria to look for before.

0:46:34.040 --> 0:46:37.280
<v Speaker 1>Uh So, yeah, what does this mean? Show Stack obviously

0:46:37.360 --> 0:46:39.440
<v Speaker 1>is involved in SID Does this mean we've got like, uh,

0:46:39.719 --> 0:46:42.719
<v Speaker 1>you know, radio listening a tune to Barnard sixty eight

0:46:42.800 --> 0:46:46.239
<v Speaker 1>right now? Um? Well, I mean, certainly it's been ten

0:46:46.280 --> 0:46:48.480
<v Speaker 1>years since this came out. So if if, if these are,

0:46:48.880 --> 0:46:51.759
<v Speaker 1>if these are valuable arguments, uh, you know, I would

0:46:51.760 --> 0:46:55.040
<v Speaker 1>assume they've been reflected to some to some degree. But yeah,

0:46:55.040 --> 0:46:57.160
<v Speaker 1>in this paper he contends that said he should, you know,

0:46:57.239 --> 0:47:01.319
<v Speaker 1>continue to look at Rocky water World, but also at

0:47:01.400 --> 0:47:06.040
<v Speaker 1>neighborhoods of hot stars, black holes, neutron stars, bought globules,

0:47:06.040 --> 0:47:09.520
<v Speaker 1>et cetera. Like it just you know, we shouldn't limit

0:47:09.560 --> 0:47:12.960
<v Speaker 1>ourselves as the argument to these water worlds, because that

0:47:13.000 --> 0:47:16.320
<v Speaker 1>may be where life has to emerge from. But given

0:47:16.320 --> 0:47:19.319
<v Speaker 1>this idea of post biological life, that's not where it

0:47:19.360 --> 0:47:22.640
<v Speaker 1>needs to remain. Now. A big question that does remain, however,

0:47:23.040 --> 0:47:26.120
<v Speaker 1>is what sort of signal would such a post organic

0:47:26.120 --> 0:47:29.800
<v Speaker 1>civilization produced that we could detect. Uh, you know, they

0:47:29.880 --> 0:47:32.759
<v Speaker 1>might want us to find them, They might want to

0:47:32.880 --> 0:47:35.960
<v Speaker 1>find us. But either way they might they might put

0:47:35.960 --> 0:47:38.839
<v Speaker 1>some put something out for us for us to find. Uh,

0:47:38.880 --> 0:47:41.400
<v Speaker 1>they might you know, not care that we can observe

0:47:41.520 --> 0:47:45.480
<v Speaker 1>their dicens fheares that sort of thing. Um. But if

0:47:45.520 --> 0:47:47.680
<v Speaker 1>you know, But but what if they don't you know? Well,

0:47:47.719 --> 0:47:50.600
<v Speaker 1>then perhaps it takes one of our own AI to

0:47:51.160 --> 0:47:52.960
<v Speaker 1>you know, reach the point where it can discern the

0:47:53.000 --> 0:47:56.520
<v Speaker 1>signs of their existence, um, and then perhaps be the

0:47:56.520 --> 0:48:00.920
<v Speaker 1>ones to reach out and make first contact machine to machine. Okay,

0:48:00.920 --> 0:48:02.960
<v Speaker 1>so we need a machine to see the gorilla in

0:48:02.960 --> 0:48:06.239
<v Speaker 1>the video coming from space? Maybe, I mean again, it

0:48:06.280 --> 0:48:08.880
<v Speaker 1>depends on what what they want if they exist and

0:48:08.920 --> 0:48:10.879
<v Speaker 1>there at this level, what do they want? Do they

0:48:10.920 --> 0:48:14.040
<v Speaker 1>want to make contact? Maybe that's the thing. Maybe again,

0:48:14.280 --> 0:48:17.600
<v Speaker 1>they know that organic beings can be messy, and they

0:48:17.760 --> 0:48:19.560
<v Speaker 1>just want to wait until we've reached the point where

0:48:19.600 --> 0:48:23.200
<v Speaker 1>their machine can call their machine. You know, I buy

0:48:23.239 --> 0:48:26.480
<v Speaker 1>that it's waiting until it doesn't have to deal with meat. Yeah,

0:48:26.560 --> 0:48:28.359
<v Speaker 1>like you doesn't want to chase this down, Just send

0:48:28.440 --> 0:48:31.840
<v Speaker 1>us the press release, UM, let us know how to

0:48:31.840 --> 0:48:33.359
<v Speaker 1>get in touch with you, and we'll set something up.

0:48:33.400 --> 0:48:36.040
<v Speaker 1>That's their whole thing. It's like waiting until Like I'm

0:48:36.080 --> 0:48:38.279
<v Speaker 1>not going to order delivery from this place until they've

0:48:38.280 --> 0:48:39.920
<v Speaker 1>got an online form. I don't want to have to

0:48:39.920 --> 0:48:43.120
<v Speaker 1>call talk to somebody, right, I'm sure it's fine. I'm

0:48:43.120 --> 0:48:45.880
<v Speaker 1>hearing great things, but get your technology sorted out first,

0:48:45.920 --> 0:48:48.880
<v Speaker 1>and then we'll begin this relationship. I've got high hopes

0:48:48.920 --> 0:48:51.080
<v Speaker 1>for this species where people are afraid to talk to

0:48:51.160 --> 0:48:55.920
<v Speaker 1>other people on the phone. I don't know, I mean yeah,

0:48:55.920 --> 0:48:57.520
<v Speaker 1>I mean we're we're ultimately left with some of the

0:48:57.560 --> 0:49:00.440
<v Speaker 1>same questions. Not only the big one, does lie exists

0:49:00.440 --> 0:49:03.360
<v Speaker 1>elsewhere in the cosmos, but but again, like what would

0:49:03.840 --> 0:49:07.080
<v Speaker 1>if if it's if it's alien AI, alien superintelligence, what

0:49:07.120 --> 0:49:08.400
<v Speaker 1>are they gonna make of us? How are we going

0:49:08.480 --> 0:49:12.360
<v Speaker 1>to fit into what sort of things they do? Um?

0:49:12.480 --> 0:49:14.319
<v Speaker 1>Or would we fit in at all like maybe that's

0:49:14.360 --> 0:49:17.120
<v Speaker 1>the ultimate thing, is like they just don't they don't care.

0:49:17.160 --> 0:49:19.680
<v Speaker 1>Why would they care. We're the ones obsessed with us.

0:49:20.000 --> 0:49:22.120
<v Speaker 1>They've got their own thing going on. Do you really

0:49:22.160 --> 0:49:25.200
<v Speaker 1>care what the squirrel is digging for in the yard? Well?

0:49:25.239 --> 0:49:29.040
<v Speaker 1>I mean I do, but but yeah, ultimately do the

0:49:29.200 --> 0:49:31.920
<v Speaker 1>the the cosmic overlord's care? You know, I don't know.

0:49:32.080 --> 0:49:36.160
<v Speaker 1>Maybe not now shows that continues to discuss how we

0:49:36.239 --> 0:49:40.799
<v Speaker 1>might refine our search for extraterrestrial life. Um. If you

0:49:40.840 --> 0:49:43.040
<v Speaker 1>look around for his name, you'll find that he you know,

0:49:43.040 --> 0:49:47.120
<v Speaker 1>he gives talks. He discusses set in general of the search,

0:49:47.560 --> 0:49:49.800
<v Speaker 1>how that the search itself has changed, and how we

0:49:49.800 --> 0:49:52.319
<v Speaker 1>should change it, as well as sort of the societal

0:49:52.800 --> 0:49:56.759
<v Speaker 1>considerations involved. But well, one example of something has been

0:49:56.840 --> 0:50:02.080
<v Speaker 1>up to recently. UM In sept September he had an

0:50:02.160 --> 0:50:05.600
<v Speaker 1>article titled SETTI The Argument for Artifacts Search is published

0:50:05.600 --> 0:50:09.120
<v Speaker 1>in the International Journal of Astrobiology, and in this article

0:50:09.320 --> 0:50:11.600
<v Speaker 1>he argues that while most of the search for exeter

0:50:11.719 --> 0:50:15.480
<v Speaker 1>terrestrial intelligence has focused on the search for quote, artificially

0:50:15.520 --> 0:50:19.560
<v Speaker 1>generated electromagnetic signals, it's artifacts that we should be spending

0:50:19.560 --> 0:50:22.160
<v Speaker 1>more time on, or at least more time than we

0:50:22.160 --> 0:50:24.319
<v Speaker 1>we are. And this is the idea here, is that

0:50:24.480 --> 0:50:27.799
<v Speaker 1>persistent transmissions, you know, sort of we're here, we're here,

0:50:27.880 --> 0:50:31.479
<v Speaker 1>signals from beyond these require energy. And then on top

0:50:31.480 --> 0:50:34.319
<v Speaker 1>of that the aliens and question should they exist. They

0:50:34.360 --> 0:50:37.960
<v Speaker 1>might be exceedingly cryptic, or they might you know, they

0:50:38.040 --> 0:50:41.560
<v Speaker 1>might be embarrassed for us, as we've discussed, or they

0:50:41.920 --> 0:50:44.799
<v Speaker 1>might just be ignorant of our existence, and you know,

0:50:44.840 --> 0:50:48.680
<v Speaker 1>they simply don't know that we exist and likewise don't care. Um,

0:50:49.040 --> 0:50:53.400
<v Speaker 1>So perhaps we should be looking more for artifacts or

0:50:53.520 --> 0:50:57.640
<v Speaker 1>specifically evidence of artifacts, and to understand waste heat uh,

0:50:57.680 --> 0:51:00.480
<v Speaker 1>certainly counts as something we'd be looking for in an

0:51:00.560 --> 0:51:04.319
<v Speaker 1>artifacts search, a search for something created or something that

0:51:04.440 --> 0:51:08.879
<v Speaker 1>was once created by extraterrestrial life. Oh, and this came

0:51:08.960 --> 0:51:11.520
<v Speaker 1>up in the previous episode when we talked about Dyson spheres,

0:51:11.600 --> 0:51:14.400
<v Speaker 1>Like one possible way to look for them is to

0:51:14.440 --> 0:51:17.440
<v Speaker 1>look for a place where you're not seeing much electromagnetic

0:51:17.520 --> 0:51:20.520
<v Speaker 1>radiation accept heat, and the idea there is that maybe

0:51:20.560 --> 0:51:23.920
<v Speaker 1>there's a sphere around a star that's harvesting almost all

0:51:23.920 --> 0:51:26.880
<v Speaker 1>of its usable energy and pretty much the only thing

0:51:26.920 --> 0:51:28.839
<v Speaker 1>that's coming out the other side of it is just

0:51:28.880 --> 0:51:31.719
<v Speaker 1>the waste product of their of their processing, which is heat.

0:51:31.760 --> 0:51:34.680
<v Speaker 1>It's the computer fan blowing out into space. But yeah,

0:51:34.719 --> 0:51:37.080
<v Speaker 1>it's ultimately an interest interesting argument, like, you know, how

0:51:37.160 --> 0:51:40.800
<v Speaker 1>much effort should we be putting into picking up those

0:51:40.840 --> 0:51:47.280
<v Speaker 1>signals of existence versus sort of perhaps more obscure evidence

0:51:47.320 --> 0:51:51.520
<v Speaker 1>of the existence, you know, especially again if something out

0:51:51.520 --> 0:51:54.799
<v Speaker 1>there is maybe less inclined to put out that that

0:51:55.160 --> 0:51:57.600
<v Speaker 1>I am here signal, or you know, to even care

0:51:57.760 --> 0:52:00.440
<v Speaker 1>or know of our existence to begin with. Yeah, I

0:52:00.440 --> 0:52:02.160
<v Speaker 1>could be wrong, but I think I'm right about this. Like,

0:52:02.200 --> 0:52:04.640
<v Speaker 1>once you get a certain distance away from the Earth,

0:52:04.680 --> 0:52:07.319
<v Speaker 1>you know, some number of light years away, at a

0:52:07.320 --> 0:52:13.040
<v Speaker 1>certain point, like any any omnidirectionally transmitted radio signal would

0:52:13.120 --> 0:52:15.680
<v Speaker 1>become so weak by the time it reaches us that

0:52:15.760 --> 0:52:18.400
<v Speaker 1>we really probably wouldn't notice it. And so like, to

0:52:18.560 --> 0:52:21.200
<v Speaker 1>really notice a signal from an alien civilization, it would

0:52:21.200 --> 0:52:24.520
<v Speaker 1>probably need to be something that is directionally beamed our

0:52:24.600 --> 0:52:27.840
<v Speaker 1>way on purpose, and that that also requires a lot

0:52:27.880 --> 0:52:31.560
<v Speaker 1>of assumptions about what's going on with that alien civilization. Yeah,

0:52:31.640 --> 0:52:34.239
<v Speaker 1>and and maybe maybe it'll happen, but then again maybe

0:52:34.239 --> 0:52:37.440
<v Speaker 1>it won't. But yeah, it's just artifacts by products of

0:52:37.560 --> 0:52:41.480
<v Speaker 1>previous existence, whether that's physical objects or or waste signatures

0:52:41.520 --> 0:52:43.680
<v Speaker 1>like heat that could be around for a long time

0:52:43.719 --> 0:52:46.440
<v Speaker 1>depending up you know, no matter what the intentions of

0:52:46.480 --> 0:52:49.560
<v Speaker 1>the civilization are. Well, this has been fun, Rob, Yeah,

0:52:49.640 --> 0:52:51.919
<v Speaker 1>this has been a fun one. Yeah. So obviously we'd

0:52:51.920 --> 0:52:53.680
<v Speaker 1>love to hear from everyone out there. First of all,

0:52:53.920 --> 0:52:56.920
<v Speaker 1>we mentioned, you know, this is the domain of science fiction.

0:52:57.400 --> 0:52:59.440
<v Speaker 1>Of science fiction is considered a lot of these questions

0:52:59.440 --> 0:53:03.400
<v Speaker 1>for for deack Gates. So if there are particular examples, uh,

0:53:03.920 --> 0:53:06.600
<v Speaker 1>let us know, examples that touch on some of these

0:53:06.640 --> 0:53:09.440
<v Speaker 1>themes and ideas. Uh, you know, let us know if

0:53:09.440 --> 0:53:13.200
<v Speaker 1>there is that that that that that corporate alien sci

0:53:13.280 --> 0:53:16.600
<v Speaker 1>fi Reagan era thing that we were considering, you know,

0:53:16.640 --> 0:53:19.279
<v Speaker 1>probably exists. Uh, if you have an I D for it,

0:53:19.560 --> 0:53:22.160
<v Speaker 1>let us know. We'd love to hear from you. In

0:53:22.200 --> 0:53:24.279
<v Speaker 1>the meantime, if you would like to listen to other

0:53:24.280 --> 0:53:26.000
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0:53:31.600 --> 0:53:34.120
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0:53:34.160 --> 0:53:36.400
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0:53:36.400 --> 0:53:39.400
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0:53:39.440 --> 0:53:42.919
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0:53:42.960 --> 0:53:45.920
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0:53:45.960 --> 0:53:48.719
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0:53:48.719 --> 0:53:50.680
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0:53:50.719 --> 0:53:53.160
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0:54:05.760 --> 0:54:08.240
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