Brian Greene: Does the Multiverse Actually Exist? (#369)

Into the Impossible With Brian Keating

Brian Keating

Science, Physics, Natural Sciences

4.7 • 1.1K Ratings

🗓️ 20 November 2023

⏱️ 100 minutes

🔗️ Recording | iTunes | RSS

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Summary

Is it still possible to make a case for string theory? And should we treat the multiverse as a serious idea and explore it mathematically? Here to discuss these fundamental questions with me today is the one and only Brian Greene. Brian Greene, of course, needs no introduction. He is an American theoretical physicist and mathematician. He’s a professor at Columbia University and the director of Columbia’s Center for Theoretical Physics. Greene has gained a lot of popularity through his books that bring complex physical issues closer to general audiences: The Elegant Universe (1999), Icarus at the Edge of Time (2008), The Fabric of the Cosmos (2004), and The Hidden Reality (2011), a book he promoted in the TV show The Big Bang Theory! In this episode, Brian and I discuss the experimental relevance of string theory, the multiverse hypothesis, the likelihood of alien life, and much more. Tune in! Key Takeaways: Intro (00:00) What’s the experimental minimum? (01:05) String theory’s experimental relevance (08:35) An alternative path to Einstein’s equations (20:17) Are we neglecting some ideas? (25:35) Calabi-Yau manifolds in string theory (34:26) Lorentz invariance and signals that are faster than the speed of light (40:13) The multiverse and its implications for science (57:47) Inflation doesn’t resolve all questions (1:02:18) The role of a scientist as an educator (1:15:04) UFO sightings and the likelihood of alien life (1:27:45) Outro (1:38:26) — Additional resources: 📢 Ownership of your health starts with AG1. Try AG1 and get a FREE 1-year supply of Vitamin D3K2 and 5 FREE AG1 Travel Packs with your first purchase 👉 https://drinkag1.com/impossible 👨‍💻 Check out AppSumo's Black Friday offers: http://appsumo.8odi.net/BRIAN ➡️ Check out Brian Greene: 📚 The Hidden Reality by Brian Greene: https://a.co/d/3LUjEA2 💻 Website: https://www.briangreene.org/ ✖️ Twitter: https://twitter.com/bgreene ➡️ Follow me on your fav platforms: ✖️ Twitter: https://twitter.com/DrBrianKeating 🔔 YouTube: https://www.youtube.com/DrBrianKeating?sub_confirmation=1 📝 Join my mailing list: https://briankeating.com/mailing_list ✍️ Check out my blog: https://briankeating.com/blog.php 🎙️ Follow my podcast: https://briankeating.com/podcast — Into the Impossible with Brian Keating is a podcast dedicated to all those who want to explore the universe within and beyond the known. Make sure to follow so you never miss an episode! Learn more about your ad choices. Visit megaphone.fm/adchoices

Transcript

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0:00.0	He's known literally throughout the universe for his groundbreaking discoveries in the field of string theory.
0:07.0	He co-invented mirror symmetry and he brought the notion of Kalabi-Yau manifolds to the mainstream. the one and only Brian Green.
0:14.0	The one and only Brian Green.
0:17.0	Brian's a professor of physics and math at Columbia University
0:20.0	and the author of numerous best-selling books.
0:23.4	Join us on this in-person conversation
0:26.2	held late at night at Columbia University
0:29.0	as we uncover the hidden reality of our universe
0:31.9	and delve into parallel universes and the deep mysteries of the fabric of reality.
0:37.0	Let's go. Any sufficiently advanced technology is indistinguishable from magic.
0:47.0	Open the pod bay doors.
0:52.0	Here we are today with a man that needs no introduction.
0:56.0	Fellow Brian, my mom at least claims she named me Brian so people are confused with
1:01.7	brain, I don't know about you but yeah I haven't heard
1:04.1	that one directly you now they we have that two of the three brions of course on the least
1:10.2	well known of them but Brian Cox is of course the the ultimate also another
1:14.8	Brian who gets a lot of attention maybe he'll come on someday but so far he's
1:18.1	ignored my messages unlike you and I want to express my gratitude last time I was in these luxurious offices here
1:24.4	at Columbia University, I was beceaching you
1:27.3	for an incomeumium on my book,
1:29.1	losing the novo purpose.
1:30.0	Oh, I remember that, yeah.
	...

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