The great screenwriter William Goldman once said of Hollywood, that “nobody knows anything.” I hope that we have learned by now that this does not apply to science.

Random as knowledge sometimes might be, it is safe to say that the entire technological infrastructure of modern society, all of Silicon Valley, is built on top of the reliable functioning of the laws of mathematics and physics.The fundamental laws of physics which govern the workings of the cosmos are not some untethered abstract 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 it's all about, and what's my place in it.

That's where we need the insights of Sean Carroll. He is one of our most trusted explainers of some of the mind-boggling concepts of physics, that have for too long defined the most valuable building blocks of modern science. His most recent work is The Biggest Ideas in the Universe: Space, Time, and Motion.

My conversation with Sean Carroll:

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