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JDHamkins's profile
Joel David Hamkins
Joel David Hamkins
Joel David Hamkins
@JDHamkins

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Joel David Hamkins

@JDHamkins

Mathematics and philosophy of the infinite. Professor of Philosophy and Mathematics. @NotreDame @UniofOxford #ProofandtheArt #PhilMaths

University of Notre Dame
jdh.hamkins.org
Joined November 2015

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    Joel David Hamkins‏ @JDHamkins 24 Oct 2021

    I once saw an incredible lecture in Berkeley by a historian of science, one of the best talks I have ever seen. He started his talk sitting on the desk amongst a huge pile of physics textbooks from history, each in its day "the best textbook of its time."

    2:23 AM - 24 Oct 2021
    • 1,406 Retweets
    • 6,874 Likes
    • Sonali DeFi Evangelist ❤️ + 💡= 🌱 KarateBoy, Compounder brah Yashvardhan Verma Daniel Somerville Roberts tio Avalanche Dami Andrew Xu
    61 replies 1,406 retweets 6,874 likes
      1. New conversation
      2. Joel David Hamkins‏ @JDHamkins 24 Oct 2021

        He began by showing us the text written by a student of Isaac Newton, which explained Newtonian forces and the motion of planets. Nevertheless, it had various mistakes and misunderstandings. He set it aside and moved to the next book, also excellent, but also flawed in some way.

        2 replies 34 retweets 803 likes
        Show this thread
      3. Joel David Hamkins‏ @JDHamkins 24 Oct 2021

        And then the next. The speaker proceeded systematically through the historical procession of physics texts, highlighting how each had improved upon its predecessors, but also explaining in specific detail ways in which each of them was flawed.

        2 replies 37 retweets 801 likes
        Show this thread
      4. Joel David Hamkins‏ @JDHamkins 24 Oct 2021

        Some were flawed in their account of light, another had an etching of a comet, "drawn by a person who had *never* seen a comet." Eventually, the progression moved into the 20th century, but still the texts were wrong on various fundamental points, often now quite technical.

        1 reply 26 retweets 708 likes
        Show this thread
      5. Joel David Hamkins‏ @JDHamkins 24 Oct 2021

        Finally, he got to the physics text used currently in Intro Physics classes. He explained how it had improved on its predecessor, and then said that he didn't know of any specific physics issue it got wrong. He silently placed it on top of the pile of earlier, flawed texts.

        7 replies 63 retweets 1,184 likes
        Show this thread
      6. Joel David Hamkins‏ @JDHamkins 24 Oct 2021

        What a punchline! And what an effective way to convey his main point. The implication was completely clear that of course we should expect that eventually this text also will come to be seen as fundamentally wrong on some issue or other.

        8 replies 62 retweets 1,522 likes
        Show this thread
      7. Joel David Hamkins‏ @JDHamkins 24 Oct 2021

        This lecture has stuck with me now for decades as an example of excellence in how to give a talk—I remember it clearly now decades later. Would anyone know who it likely was that I saw? This was Berkeley in the early 1990s, but I think he was likely an invited guest speaker.

        27 replies 38 retweets 1,353 likes
        Show this thread
      8. Joel David Hamkins‏ @JDHamkins 24 Oct 2021

        It may have been a talk for the Berkeley Skeptics Society. I remember the speaker intoning of each text, that "it was the premier text of physics in its time."

        18 replies 16 retweets 712 likes
        Show this thread
      9. End of conversation
      1. New conversation
      2. Samy Rima  🧠‏ @tootyawbatriz 24 Oct 2021
        Replying to @JDHamkins @cesifoti

        @prasaktitenri

        1 reply 0 retweets 1 like
      3. Prasakti Tenri‏ @prasaktitenri 27 Oct 2021
        Replying to @tootyawbatriz @JDHamkins @cesifoti

        In a few years my research will be considered naive or BS and Im mentally preparing for that 😌

        1 reply 0 retweets 0 likes
      4. Show replies
      1. Samy Rima  🧠‏ @tootyawbatriz 24 Oct 2021
        Replying to @JDHamkins @cesifoti

        @BAgayby @Izzie_Hb

        0 replies 0 retweets 0 likes
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