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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. Devon‏ @devonzuegel 23 Sep 2018
      • Report Tweet

      Every time I handle datetimes in software I'm newly shocked by how annoying it is to get right

      5 replies 2 retweets 88 likes
    2. Kevin Kwok‏ @kevinakwok 23 Sep 2018
      • Report Tweet
      Replying to @devonzuegel

      Just wait until we go multi-planet...

      1 reply 0 retweets 27 likes
    3. Devon‏ @devonzuegel 23 Sep 2018
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      Replying to @kevinakwok

      You're giving me nightmares pls stop

      3 replies 0 retweets 5 likes
    4. michael_nielsen‏ @michael_nielsen 23 Sep 2018
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      Replying to @devonzuegel @kevinakwok

      Typical rocket velocity for Mars is about 10 miles per second. That's a relativistic correction of about 1 part in 800 million (or so). So, a few clock cycles of drift _per second_ on a modern CPU. The nightmares are real!

      1 reply 2 retweets 10 likes
    5. michael_nielsen‏ @michael_nielsen 23 Sep 2018
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      Replying to @michael_nielsen @devonzuegel @kevinakwok

      (You're welcome!)

      2 replies 0 retweets 4 likes
    6. michael_nielsen‏ @michael_nielsen 23 Sep 2018
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      Replying to @michael_nielsen @devonzuegel @kevinakwok

      It's a really interesting problem to think about timekeeping in a relativistic world.

      5 replies 1 retweet 12 likes
    7. michael_nielsen‏ @michael_nielsen 23 Sep 2018
      • Report Tweet
      Replying to @ATabarrok @devonzuegel and

      Krugman is wrong here. There is going to be considerable ambiguity about causal ordering of spacelike separated events (of which there will be many). The obvious solution is to pick a preferred frame. But that will privilege certain traders over others in less preferred frames...pic.twitter.com/CdY5pDLILn

      2 replies 1 retweet 4 likes
    8. michael_nielsen‏ @michael_nielsen 23 Sep 2018
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      Replying to @michael_nielsen @ATabarrok and

      I really am in some awe of Krugman's writing ability:pic.twitter.com/XuUDLNEpKa

      1 reply 2 retweets 10 likes
      michael_nielsen‏ @michael_nielsen 23 Sep 2018
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      Replying to @michael_nielsen @ATabarrok and

      This is quite a nice paper, and may deserve a serious read!

      10:00 PM - 23 Sep 2018
      • 1 Like
      • Kevin Kwok
      1 reply 0 retweets 1 like
        1. Kevin Kwok‏ @kevinakwok 24 Sep 2018
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          Replying to @michael_nielsen @ATabarrok and

          Haha yeah this is my favorite of Krugman's papers.

          0 replies 0 retweets 0 likes
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