A Scottish writer, back in 1915, coined the phrase “think globally, but act locally.”  While it was about grassroots movements, it could just as easily have been about our understanding of the universe.



The fundamental laws of physics which govern the workings of the cosmos, are not some abstract untethered set of rules. They have a direct impact on how we live and on the very meaning of human existence.   It has to. After all, it’s the only way we can look out on the vastness of space and time, and ask ourselves what’s it's all about, and what's my place in it.



Few ask these questions and find answers as well as  Sean Carroll, a renowned physicist at Cal Tech and the author of The Big Picture: On the Origins of Life, Meaning, and the Universe Itself.



My conversation with Sean Carroll:

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