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MathPrinceps's profile
Laurens Gunnarsen
Laurens Gunnarsen
Laurens Gunnarsen
@MathPrinceps

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Laurens Gunnarsen

@MathPrinceps

Mathematical physicist and mentor to mathematically talented youth. Talent is that which bridges the gap between what can be taught and what must be learned.

Joined June 2012

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    1. David Chapman‏ @Meaningness 10 Nov 2019
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      The NYT reported Eddington’s announcement that a measurement of the deflection of starlight by the gravitational field of the sun had confirmed Einstein’s theory of general relativity. https://en.wikipedia.org/wiki/Eddington_experiment …pic.twitter.com/v2aDN8Myl3

      1 reply 4 retweets 13 likes
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    2. David Chapman‏ @Meaningness 10 Nov 2019
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      Retroactively, after decades of difficult work by top philosophers, we understand this test of relativity as a triumph of the scientific worldview. https://en.wikipedia.org/wiki/Tests_of_general_relativity …pic.twitter.com/nazVLAd7F3

      1 reply 2 retweets 13 likes
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    3. David Chapman‏ @Meaningness 10 Nov 2019
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      For decades, general relativity was popularly felt as a disastrous disconfirmation of the scientific worldview. Rationalism collapsed as a source of certainty, and never fully recovered. One could date the first crack of postmodernity to 100 years ago today.pic.twitter.com/ZoJFigDCCz

      4 replies 8 retweets 36 likes
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    4. David Chapman‏ @Meaningness 10 Nov 2019
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      It is now difficult to comprehend how completely and shockingly relativity shattered rationalism. For millennia, Euclid’s _Elements_ was *the* eternal source of absolute, unquestionable Truth about the fundamental nature of reality. Relativity showed it was just false.pic.twitter.com/x7N0RpeXS3

      3 replies 5 retweets 34 likes
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    5. David Chapman‏ @Meaningness 10 Nov 2019
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      Cultural historians take Newtonian physics as the foundation of the European Enlightenment. It provided a complete understanding of the material world, with perfect certainty. Modernity consists of extending that paradigm to all realms of meaning. https://en.wikipedia.org/wiki/Age_of_Enlightenment …pic.twitter.com/QYkw7dV9Hf

      2 replies 1 retweet 24 likes
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    6. David Chapman‏ @Meaningness 10 Nov 2019
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      In the 1920s, intellectuals of all stripes tried to assimilate the disproof of Newton into some new version of modernity that would take relativity into account. This was entirely unsuccessful.pic.twitter.com/3cvH7nVCyI

      1 reply 2 retweets 14 likes
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    7. David Chapman‏ @Meaningness 10 Nov 2019
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      Meanwhile, popular faith in rationality, in modernity, in the world making sense, had already been profoundly shaken by the Great War, just ended. “Lights all askew in the heavens” was understood as more of the same: confirmation of cosmic senselessness. https://meaningness.com/systems-crisis-breakdown …pic.twitter.com/RSFHNMSceK

      2 replies 1 retweet 20 likes
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    8. David Chapman‏ @Meaningness 10 Nov 2019
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      The 1919 announcement that SCIENTISTS PROVE WORLD MAKES NO SENSE was a Big Deal in a way we have forgotten. It was misappropriated as a totem of nebulosity in general. Anti-rationalists seized it as justification for the general relativity of all truth. https://www.britannica.com/science/relativity/Experimental-evidence-for-general-relativity …pic.twitter.com/N2r784Vi43

      1 reply 2 retweets 18 likes
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    9. David Chapman‏ @Meaningness 10 Nov 2019
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      It is hard now to understand relativity as disproof of scientific rationality because the current scientistic-rationalist worldview is profoundly different in form, as well as content, from that of the early 20th century. Logical positivism to the rescue! https://en.wikipedia.org/wiki/Logical_positivism …pic.twitter.com/IIzJXqTqmG

      1 reply 1 retweet 16 likes
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    10. David Chapman‏ @Meaningness 10 Nov 2019
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      Logical positivism attempted to rescue scientistic rationalism from two deep wounds: general relativity and the crisis of the foundations of mathematics. It succeeded in rethinking science in a way that made relativity acceptable. Unfortunately, that was overshadowed by events…

      2 replies 3 retweets 22 likes
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      Laurens Gunnarsen‏ @MathPrinceps 10 Nov 2019
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      Replying to @Meaningness

      It's perhaps worth mentioning that the popular response to Einstein's general relativity theory might have been different, had those who understood it best -- especially Hermann Weyl, but also Wolfgang Pauli -- devoted themselves to explaining its deeply classical essence.

      10:51 AM - 10 Nov 2019
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      • Eli Sennesh giuliohome_2017
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        2. Laurens Gunnarsen‏ @MathPrinceps 10 Nov 2019
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          Replying to @MathPrinceps @Meaningness

          Weyl, above all, understood that the geometry of spacetime in general relativity is profoundly similar to the geometry of Euclid, as revealed in the penetrating exegesis of Weyl's great mentor, Hilbert. Spacetime geometry, like Euclidean geometry, is built of many coherent parts.

          1 reply 0 retweets 2 likes
        3. Laurens Gunnarsen‏ @MathPrinceps 10 Nov 2019
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          Replying to @MathPrinceps @Meaningness

          It is a sad accident that Weyl, a truly great master of extraordinary depth and erudition, lacked the elegant talent for self-expression that so distinguished Henri Poincaré. Had Weyl been both able and inclined to emulate the great Frenchman, things might have been different.

          2 replies 0 retweets 1 like
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