Episode 35: Physics and Relationalism: An Interview with Julian Barbour
The Theory of Anything
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The Scale and the Size of the Universe
Ar: In the standard formulation of generlativity, scale is put in in a rather unsatisfactory way. Einstein said that he had actually committed a sin when he created generelativity because it introduces two completely unrelated concepts. And i think sitting right at the heart of relativity theory and cosmology to this day,. When you really look at how geneativity works. Ar: This result inclines me to believe that four dimensional symmetry is not a fundamental property of the physical world. It got me thinking about, well then, what's time? So I started one a method for dealing with this very complicated issue - but perhaps we can come back to that stage later.
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