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Into the Impossible With Brian Keating

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

Sep 22, 2024
Join Dan Hooper, a leading theoretical physicist at Fermilab, as he unravels the mysteries of modern cosmology. He dives into hidden dimensions and the elusive graviton, suggesting they could radically alter our understanding of physics. The discussion highlights Kaluza-Klein theory, which merges electricity and magnetism with additional dimensions. Dan also tackles neutrino anomalies and dark energy mysteries, advocating a shift in current theories. This exploration promises a fresh perspective on what lies beyond our three-dimensional universe!
30:23

Episode guests

Podcast summary created with Snipd AI

Quick takeaways

  • The Kaluza-Klein theory proposes hidden extra dimensions that could significantly alter our understanding of particle mass and interactions.
  • The potential existence of gravitons and their relationship with extra dimensions may redefine gravitational dynamics and early universe processes.

Deep dives

Exploring Extra Dimensions

The concept of extra dimensions, particularly from the Kaluza-Klein theory, suggests that to unify gravity with electromagnetism, a fifth dimension is necessary, which is compactified. This idea posits that while our observable universe has three spatial dimensions and one time dimension, there might be additional hidden dimensions that are not easily detectable. The Kaluza-Klein framework allows for particles, like electrons, to exhibit increased mass through motion in these extra dimensions, even though they appear stationary in our three-dimensional view. This innovative approach fundamentally challenges traditional notions of mass and could lead to new interpretations of particle physics.

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