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Plinz's profile
Joscha Bach
Joscha Bach
Joscha Bach
@Plinz

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Joscha Bach

@Plinz

FOLLOWS YOU. Artificial Intelligence, Cognitive Architectures, Computation. The goal is integrity, not conformity.

San Francisco, CA
bach.ai
Joined April 2009

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    1. Joscha Bach‏ @Plinz 14 Dec 2017
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      The Game of Go has been explored for 2500 years and resulted in a body of theories that Go masters study in Go schools. Alpha Go discovered that human Go understanding was caught in a local optimum, and broke out of it. The game of modern physics started only 130 years ago...

      20 replies 518 retweets 1,356 likes
    2. Jikku Jose‏ @JikkuJose 14 Dec 2017
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      Replying to @Plinz

      Fascinating point to ponder, but I think the 130 years of modern #physics is several orders of magnitude deeper than 2500 years of Go. #AI

      3 replies 0 retweets 11 likes
    3. Alex Gurevich‏Verified account @agurevich23 15 Dec 2017
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      Replying to @JikkuJose @Plinz

      As a person extremely well familiar with both fields I can assure this is not the case. The difference lies in Go being a closed well-defined system. Physics has is open with new outside info coming in all the time.

      2 replies 0 retweets 1 like
    4. Jikku Jose‏ @JikkuJose 15 Dec 2017
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      Replying to @agurevich23 @Plinz

      2/ That may potentially trigger whole fields of research?

      1 reply 0 retweets 0 likes
    5. Alex Gurevich‏Verified account @agurevich23 15 Dec 2017
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      Replying to @JikkuJose @Plinz

      Not only can’t we rule it out, but it will most likely happen. I was just pointing the difference between go and physics is not complexity or amount research, but fundamental nature of the problem.

      1 reply 0 retweets 1 like
    6. Jikku Jose‏ @JikkuJose 15 Dec 2017
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      Replying to @agurevich23 @Plinz

      Yes, the problem is open ended as far as we can tell.

      1 reply 0 retweets 0 likes
    7. Joscha Bach‏ @Plinz 15 Dec 2017
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      Replying to @JikkuJose @agurevich23

      Yes, Go is a closed world and physics an open one. But practically, the frequency of making observations that force us to change foundational physics is very low. The solution space should already be sufficiently constrained to derive a decent class of GUTs.

      1 reply 0 retweets 0 likes
    8. Joscha Bach‏ @Plinz 15 Dec 2017
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      Replying to @Plinz @JikkuJose @agurevich23

      In other words, progress in physics seems currently not hampered by experimental results that could help to decide between string theory and loop quantum gravity etc., but by our failure to unify existing, largely accurate models.

      1 reply 0 retweets 1 like
    9. Alex Gurevich‏Verified account @agurevich23 16 Dec 2017
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      Replying to @Plinz @JikkuJose

      Fair position. But not my view. I feel currently experimental input is too limited and hence the space of possible theories is too wide.

      1 reply 0 retweets 1 like
      Joscha Bach‏ @Plinz 16 Dec 2017
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      Replying to @agurevich23 @JikkuJose

      If you are right, would we not expect that we have too many unified theories to decide between, instead of the current situation where there is NOT A SINGLE ONE. Isn't it clear that unified theories must exist, and we have been a bit too dense to grasp the necessary mathematics?

      3:28 PM - 16 Dec 2017
      2 replies 0 retweets 0 likes
        1. New conversation
        2. Jikku Jose‏ @JikkuJose 16 Dec 2017
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          Replying to @Plinz @agurevich23

          Isn’t it also possible that the model required for unified theory is too complicated for human brains?

          1 reply 0 retweets 2 likes
        3. Joscha Bach‏ @Plinz 16 Dec 2017
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          Replying to @JikkuJose @agurevich23

          I believe that is what I just said. (Even though I suspect that it is a nut that we could eventually crack. AI will probably get us there much faster.)

          0 replies 0 retweets 1 like
        4. End of conversation
        1. New conversation
        2. Alex Gurevich‏Verified account @agurevich23 16 Dec 2017
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          Replying to @Plinz @JikkuJose

          I think it’s more like we are failing to come up with a unified theory of a pizza slice, because we can’t see a whole pie.

          1 reply 0 retweets 0 likes
        3. Joscha Bach‏ @Plinz 16 Dec 2017
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          Replying to @agurevich23 @JikkuJose

          More like the difficulty of coming up with a theory of molecular dynamics in water while being a vortex inscribed on a traveling wavefront emergent over those dynamics. We probably have all the observations we need, but we still think of waves as real and not emergent.

          0 replies 0 retweets 1 like
        4. End of conversation

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