Monthly episodes discussing this topic, 2019-10 to 2025-06.
Not enough disagreement in the transcripts to form camps. These are the positions taken by people with demonstrated expertise on this topic first, then by how many people heard them on it, then by VoiceRank.
Extra spatial dimensions are required for string theory to consistently incorporate gravity and particle physics.
“the catch in string theory is that this beautiful formulation I just described of, you know, you can describe all of particle physics by one little extended object. You get gravity for free only seems to work if the universe that this happens in has more than three spatial dimensions”
StarTalk · Jun 2025 · 1 episode · 1.3M views on this topicExtra spatial dimensions are hypothesized but remain undetectable due to their compactified nature.
“One of the well known formulations of this, is something called a Compactified dimension.”
StarTalk · Oct 2019 · 1 episode · 274K views on this topicPositions are extracted from transcripts by a model and may misattribute who said what. Every quote links to the episode it came from.