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Sean Carroll

The Big Picture: What It’s All About

6 May 2016, 14:52 UTC
The Big Picture: What It’s All About
(200 words excerpt, click title or image to see full post)

Many years ago I had the pleasure of attending a public lecture on cosmology by Martin Rees, one of the leading theoretical astrophysicists of our time and a wonderful speaker. For the most part his choice of material was unimpeachably conventional, but somewhere in the middle of explaining the evolution of the universe he suddenly started talking about the possibility of life on other planets. You could sense the few scientists in the room squirming uncomfortably — this wasn’t cosmology at all! But the actual public, to whom the talk was addressed, loved it. They didn’t care about fussy academic boundary enforcement; they thought these questions were interesting, and were curious about how it all fit together.
Since then, following Martin’s example, I have occasionally slipped into my own talks some discussion of how the particular bit of science I was discussing fit into a larger context. What are the implications of quantum mechanics for free will, or entropy for aging and death, or the multiverse for morality? To (what should be) nobody’s surprise, those are often what people want to follow up on in questions after the talk. Professional scientists will feel an urge to correct them, arguing that ...

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