Lee Smolin Thinks About Nature and Math and All That Stuff
The main question I'm asking myself, the question that puts
everything together, is how to do cosmology; how to make a theory of the
universe as a whole system. This is said to be the golden age of
cosmology and it is from an observational point of view, but from a
theoretical point of view it's almost a disaster. It's crazy the kind of
ideas that we find ourselves thinking about. And I find myself wanting
to go back to basics—to basic ideas and basic principles—and understand
how we describe the world in a physical theory.
What's the role of mathematics? Why does mathematics come into
physics? What's the nature of time? These two things are very related
since mathematical description is supposed to be outside of time. And I've come to a long evolution since the late 80's to a position, which is quite different from the ones that I had originally, and quite surprising even to me.
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