Why is the past different from the future? Neil deGrasse Tyson and comedian Chuck Nice explore the universe’s deepest questions like why is there anything, how we know we are in the real present, if there could be a unified theory of physics and more with theoretical physicist Sean Carroll.
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Why mix philosophy and science? We break down the history of philosophy, “natural philosophy,” and their connection to science. We dive into why it's important for scientists to ask these big philosophical questions. Learn what quantum entanglement is, its importance, and “the many worlds hypothesis.”
What if the Big Bang wasn’t the beginning and the universe was infinitely old? We explore entropy and the possibility of an infinite universe. Does a finely tuned universe imply the existence of a god? We discuss scientific arguments for the existence of God and whether a god would be beholden to the laws of physics.
Why is there something rather than nothing? Neil and Sean debate the inherent properties of space and the definition of nothing. What does the present even mean if everything we do to interact with the world has a time delay? And finally, are we still chasing a unified theory of physics?
Thanks to our Patrons Nick hemmerich, Kelley Bard, Lou Casagrande, Nathaniel Johnston, Jesus Tamayo, and Leon for supporting us this week.
NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free.
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About StarTalk:
Science meets pop culture on StarTalk! Astrophysicist & Hayden Planetarium director Neil deGrasse Tyson, his comic co-hosts, guest celebrities & scientists discuss astronomy, physics, and everything else about life in the universe. Keep Looking Up!
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00:00 - Introduction: Sean Carroll
3:20 - What is Natural Philosophy?
7:33 - Explaining Quantum Entanglement
9:44 - The Many Worlds Hypothesis
14:46 - Entropy & Why is the Past Different Than The Future?
21:00 - Scientific Arguements For The Existence of God
27:18 - Do Voids in Cosmic Web Violate Cosmolocal Principle?
30:28 - Why is There Something Rather Than Nothing?
36:31 - How Do We Know We Are In The Real Present?
43:22 - Are We Still Chasing a Unified Theory of Physics?
