Sean Carroll

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Introduction

The whole point of relativity is to say there's no such thing as right now when you're far away. That is doubly true for what's inside a black hole. You might think, "Well, the galaxy is very big." It's really not. It's some tens of thousands of light years across and billions of years old. You don't need to move at a high fraction of the speed of light to fill the galaxy. The number of worlds is ...

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Sean Carroll is a theoretical physicist at Caltech and Santa Fe Institute specializing in quantum mechanics, arrow of time, cosmology, and gravitation. He is the author of Something Deeply Hidden and several popular books and he is the host of a great podcast called Mindscape. This is the second time Sean has been on the podcast. You can watch the first time on YouTube or listen to the first time on its episode page . This conversation is part of the Artificial Intelligence podcast. If you would like to get more information about this podcast go to https://lexfridman.com/ai or connect with @lexfridman on Twitter , LinkedIn , Facebook , Medium , or YouTube where you can watch the video versions of these conversations. If you enjoy the podcast, please rate it 5 stars on Apple Podcasts or support it on Patreon . Here's the outline with timestamps for this episode (on some players you can click on the timestamp to jump to that point in the episode):

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Full episode

Sean Carroll is a theoretical physicist at Caltech, specializing in quantum mechanics, gravity, and cosmology. He is the author of several popular books: one on the arrow of time called From Eternity to Here, one on the Higgs boson called The Particle at the End of the Universe, and one on science and philosophy called The Big Picture: On the Origins of Life, Meaning, and the Universe Itself. He has an upcoming book on Quantum Mechanics that you can preorder now called Something Deeply Hidden. Finally, and perhaps most famously, he is the host of a podcast called Mindscape that you should subscribe to and support on Patreon. If you would like to get more information about this podcast go to https://lexfridman.com/ai or connect with @lexfridman on Twitter , LinkedIn , Facebook , Medium , or YouTube where you can watch the video versions of these conversations.