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Entries in Sean Carroll (1)

Wednesday
May222013

Sean Carroll on Naturalism

Here's an excellent Rationally Speaking podcast with physicist Sean Carroll, philosopher Massimo Pigliucci, and writer Julia Galef on the philosophical question of naturalism. I'm a big fan of Carroll's clarity at getting across physics, having watched a couple of his lecture series on The Great Courses. He's one of those few, rare physicsts at the top of his game who is willing to get into the deeper philosophical issues in a way that is both nuanced and compelling. That's to say, he knows his philosophy.

Carroll's book From Eternity to Here is an intriguing story about the arrow of time. I recall hearing back in grad school how time's arrow could be understood as a matter of the Second Law of Thermodynamics. I'm still not quite convinced that the story Carroll tells doesn't smuggle in the arrow of time somewhere: after all, one typically understands the Second Law in terms of entropy increasing into the future. Of course, stated that way, the Second Law assumes an arrow of time, so the most it can do is to explain why the future looks the way it does compared to the past, rather than explaining the arrow per se.

But it's definitely all food for thought.