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Into the Impossible With Brian Keating

Extra Dimensions Could Change Everything We Know About Physics | Dan Hooper [Ep. 459]

30 min • 22 september 2024

Is the universe hiding extra dimensions we can’t see? Could a graviton – a particle we haven’t even proven to exist – change everything we know about the cosmos? And what does the future of physics hold if the standard model fails?

Today, I sit down with the renowned cosmologist Dan Hooper to discuss some of the most complex and exciting theories in modern cosmology. Dan is a leading theoretical physicist at Fermilab and a professor at the University of Chicago, specializing in the mysteries of dark matter, the early universe, and extra dimensions. 

In this thrilling episode, Dan and I explore how hidden dimensions and mysterious particles could fundamentally challenge our understanding of the universe! 

Tune in!


Key Takeaways:


  • 00:00 Intro 
  • 01:12 Judging a book by its cover
  • 03:00 The Kaluza–Klein theory 
  • 06:29 Extra dimensions and gravitons 
  • 14:05 Supersymmetry and spin-3/2 particles 
  • 19:16 The Desi experiment and neutrino mass 
  • 24:58 What has Dan been wrong about?
  • 27:40 Outro


Additional resources:


➡️ Learn more about Dan: 

🎶 The Spectral Distortions: https://open.spotify.com/artist/2sazg5S1hrbt5Rk4lxoVHy 

🎙️ Why This Universe?: https://www.youtube.com/channel/UCbfIVYxgDnR3dicM18TwS8w


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✖️ Twitter: https://x.com/DrBrianKeating

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✍️ Check out my blog: https://briankeating.com/cosmic-musings/

🎙️ Follow my podcast: https://briankeating.com/podcast

✨ Member's only playlist: https://www.youtube.com/playlist?list=UUMOmXH_moPhfkqCk6S3b9RWuw


Into the Impossible with Brian Keating is a podcast dedicated to all those who want to explore the universe within and beyond the known.


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