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michael_nielsen's profile
michael_nielsen
michael_nielsen
michael_nielsen
@michael_nielsen

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michael_nielsen

@michael_nielsen

Searching for the numinous. Co-purveyor of https://quantum.country/ 

San Francisco, CA
michaelnielsen.org
Joined July 2008

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    1. michael_nielsen‏ @michael_nielsen 17 Jun 2018
      • Report Tweet

      On the benefits of over-long books.pic.twitter.com/r49KDsyWst

      20 replies 18 retweets 208 likes
    2. David Deutsch‏ @DavidDeutschOxf 17 Jun 2018
      • Report Tweet
      Replying to @michael_nielsen

      Are books for memorising things? Aren't they already far better at that than their readers? Each (good) book has a purpose that isn't memorisation, and for each purpose there is a right length.

      3 replies 2 retweets 34 likes
    3. michael_nielsen‏ @michael_nielsen 17 Jun 2018
      • Report Tweet
      Replying to @DavidDeutschOxf

      I agree. But it’s a false dichotomy to suppose that memory and understanding are completely different things. In many cases they’re closely related.

      2 replies 0 retweets 11 likes
    4. michael_nielsen‏ @michael_nielsen 17 Jun 2018
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      Replying to @michael_nielsen @DavidDeutschOxf

      A striking instance of this is de Groot and Simon’s work, where they estimated that expert chess players typically have internalized 25,000-100,000 different types of piece configuration. This lets them understand the board in ways completely inaccessible to beginners.

      2 replies 0 retweets 10 likes
    5. David Deutsch‏ @DavidDeutschOxf 17 Jun 2018
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      Replying to @michael_nielsen

      OK good point. Still, I don't think that's the generic case. And even with chess, you get to recognise configurations if you love analysing games.

      2 replies 0 retweets 4 likes
      michael_nielsen‏ @michael_nielsen 17 Jun 2018
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      Replying to @DavidDeutschOxf

      Incidentally, & anecdotally, until pretty recently I thought of understanding and memorizing as rather more separate. After I started experimenting with memory systems, I was shocked by how much faster I started to understand things.

      11:56 AM - 17 Jun 2018
      • 3 Likes
      • Guillermo Valle Patrick Collison Stefan Gugler
      1 reply 0 retweets 3 likes
        1. New conversation
        2. michael_nielsen‏ @michael_nielsen 17 Jun 2018
          • Report Tweet
          Replying to @michael_nielsen @DavidDeutschOxf

          My eventual conclusion was that I had earlier greatly underestimated the role of memory in understanding. (This is much less true in areas I’m already an expert in; the effect is strongest for areas a little apart from things I know well.)

          2 replies 0 retweets 5 likes
        3. michael_nielsen‏ @michael_nielsen 17 Jun 2018
          • Report Tweet
          Replying to @michael_nielsen @DavidDeutschOxf

          I’ve radically changed my beliefs in this area over the past two years.

          0 replies 0 retweets 0 likes
        4. End of conversation

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