Philip Mannheim: The Story of Conformal Gravity
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What is the missing‑mass (dark‑matter) problem and why might the graviton not exist?
The missing mass that we've defined as the Arc Matter problem isn't missing. It's the rest of the visible universe, and it's been hiding in plain sight. It's been there all along. Is the Graviton then it
composite or fundamental?
It's neither. It doesn't exist.
Man, talk about fighting words. Nature will keep you honest. This is the legendary Professor Philip Mannheim, and today I'm excited to bring you his first ever podcast. He's been working on a theory which solves dark matter and quantum gravity simultaneously for literally decades.
You start out with a standard theory. It doesn't work for galaxies, so you invent dark matter. It doesn't work for cosmology, you invent dark energy. It doesn't work for quantum theory, so you invent string theory. I haven't done that. I've just taken the
theory and I've solved
it.
On this channel, I, Kurt Jaimungle, interview researchers regarding their theories of reality with rigor and technical depth. Today, what the professor argues is that we've been wrong about dark matter. We also have no big bang in the universe, according to his theory. Add further speculations on what collapses the wave function is a particle that we don't see. It's one of
the most startling discoveries in human history. I mean I I I can't describe it any other way. Welcome to the
story of conformal gravity.
How does Einstein’s theory of gravity differ from Newton’s law and what are its key principles?
Professor, what precisely is Einstein's theory of gravity? Well, I have
to give you a somewhat extensive answer to that. Um Einstein in the early twentieth century developed what's called the special theory of relativity. And he was dealing with a problem, and the problem was There was I there was Newton's laws of motion. And there were the Maxwell equations of electromagnetism. And they had different symmetries. And what Einstein realized was there had to be a universal symmetry, which we now call Lorentz invariance, which meant modifying Newton's law. And the you can see this very simply. If you take Newton's law, it just says um you you you apply a force, you get an acceleration. Keep on applying the force, the acceleration will get bigger and bigger and bigger, and eventually you'll be able to go faster than the speed of light.
And so something had to change if you were not going to be able to go faster than the speed of light. So what he did was he came up with special relativity. And In a sense, this just generalized Galileo's n object uh and Newton's first first law of motion, that uh there's no force felt for uniform velocity and Einstein made it for uniform covariant velocity. And so he finishes up with a theory in which Observers can move with arbitrary speeds, but uniformly up to the speed of light, and the physics must be the same. No. Missing from that were two things. One was Well w w w the observer's not required to only go at uniform velocity. The observer is allowed to accelerate. And there was another theory of Newton's called Newton's Law of Gravity.
Which did not obey the the relativity principle. So he had he had two problems that he had to solve. And It turns out that the solution to those two problems are different. Even though we usually look at Einstein gravity as a package, and th the first issue was um well, suppose you take Newton's second law of motion, uh force is equal to mass times acceleration, and you rotate the system. Then you generate a new term. And Mach was very concerned about that new term. And he said, Well, maybe it's fixed by an interaction with the distant stars. But what was really happening was that Newton's law of motion, as just written by Newton, and it starts out Force is equal to mass times acceleration, but then is generalized to special relativity, still was not invariant under a under an arbitrary change in the coordinates.
So if the observer chose to rotate, the physics should not change, but the equation changed. And Einstein found a way of writing down a more general form of Newton's second law of motion. so that it would not change when the observer changed um changed um his speed uh or or rotated. And that one is what we call the geodesic.
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Chapters
8 chapters
1
What is the missing‑mass (dark‑matter) problem and why might the graviton not exist?
0:00–1:14
2
How does Einstein’s theory of gravity differ from Newton’s law and what are its key principles?
1:14–33:57
3
Why is Einstein’s gravity not renormalizable and how does that motivate a new approach?
33:57–37:10
4
What is conformal symmetry and how can it be used to build a renormalizable theory of gravity?
37:10–1:23:03
5
Why does the ghost problem lead to PT‑symmetry instead of Hermiticity?
1:23:03–1:34:45
6
How does probability conservation replace Hermiticity as the key principle?
1:34:45–1:56:19
7
What does conformal gravity predict for cosmology and dark matter?
1:56:19–2:12:31
8
Why is tenure important for pursuing non‑mainstream physics?
2:12:31–2:33:27
Speakers
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