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Foundations of General Relativity
This chapter examines the core principles of general relativity, emphasizing the role of symmetries and coordinate transformation invariance. It contrasts conventional views of force with advanced theories of gravity, elucidating the deep implications of being generally covariant in understanding physical reality.
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Claudia de Rahm is a prominent theoretical physicist and a professor at Imperial College London, renowned for her pioneering research in modifying gravity theories. With a strong background in cosmology and gravitational physics, Claudia has significantly advanced our understanding of the universe’s fundamental forces.
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LINKS:
- 'The Beauty of Falling' (Claudia’s book): https://amzn.to/3Xcfm8z
- The Economist (Article) "The Universe’s Creaking Model": https://www.economist.com/science-and-technology/2024/06/19/the-dominant-model-of-the-universe-is-creaking
- Fay Dowker on TOE: https://www.youtube.com/watch?v=PgYHEPCLVas
- "People of IP": https://insidetheperimeter.ca/fr/les-gens-de-lip-la-gravite-na-pas-de-prise-sur-claudia-de-rham/
- Claudia de Rham Imperial Profile - https://profiles.imperial.ac.uk/c.de-rham
- Claudia’s Talk (The Royal Institution): https://www.youtube.com/watch?v=O7MN64JlsMw
- Claudia on New Scientist - https://www.youtube.com/watch?v=DQTjpK8-lCY
- Iceberg of String Theory: https://www.youtube.com/watch?v=X4PdPnQuwjY
Timestamps:
00:00 - Intro
01:00 - Wrong Assumptions About Gravity
09:28 - General Relativity
11:43 - Everything is Quantized at the Fundamental Level
13:07 - Quantum Theory and General Relativity
18:35 - ‘The Beauty of Falling’ Book
27:40 - Repulsion vs. Attraction
31:37 - Expansion of the Universe
48:02 - How Did We Not Discover This Earlier?
01:03:53 - Curt Summarizes the Theory
01:07:42 - Ghost Particles
01:14:51 - Claudia’s Background with Ghost Particles
01:29:20 - Advice to Aspiring Scientists
01:32:04 - What Else Does This Theory Solve?
01:35:24 - Higuchi Bound
01:44:12 - Anti-Gravity
01:45:29 - Witten-Weinberg Theorem
01:47:06 - Claudia’s Current Work
01:59:12 - Speed of Light and Causality
02:02:50 - Outro / Support TOE
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