Ⅲ: The Quantum Gravity Problem Renormalisation is the procedure that made quantum field theory work. It successfully describes electromagnetism, the strong force, and the weak force with extraordinary precision. When applied to gravity, it fails. WWhy does does it work for three of the four forces, and why is is gravity structurally different?

What is renormalisation, and why does it work for electromagnetism, the strong force and the weak force but fail completely when applied to gravity?

#cosymorg #science #quantumgravity

Minimal Noise Threshold Established for Non-Quantized Gravity Models

Researchers at Lawrence Berkeley, Ochanomizu & Kyushu universities derived a minimum noise floor (~10⁻¹⁸ m/s²/√Hz) for graviton-free gravity models. Measurements below this threshold would confirm gravitational entanglement and quantum gravity.

#QuantumGravity #GravitationalEntanglement #News

Nonlocal one-loop form factors of the spectral action with Standard Model content We compute the complete nonlocal one-loop form factors F₁(□/Λ²) and F₂(□/Λ², ξ) of the curvature-squared sector of the spectral action S = Tr f(D²/Λ²) for the full Standard Model particle content: 4 r...

Paper (open access): doi.org/10.5281/zenodo.19098042

Full repo (7 papers + code + proofs): github.com/davidichalfyorov-wq/sct-theory

#QuantumGravity #TheoreticalPhysics #OpenScience #Physics #Lean4 #FormalVerification #SpectralAction #hepth #grqc

5/5

New paper: "Nonlocal one-loop form factors of the spectral action with Standard Model content"

We compute the exact quantum corrections to gravity from all known particles — no new physics, no free parameters, no extra dimensions.

🧵 1/5

#QuantumGravity #TheoreticalPhysics #OpenScience #Physics

Quadratic gravity theory reshapes quantum view of Big Bang Waterloo scientists have developed a new way to understand how the universe began, and it could change what we know about the Big Bang and the earliest moments of cosmic history. Their work suggests t...

#Quadratic #gravity #theory reshapes #quantum view of #BigBang. #University #Waterloo #scientists #PerimeterInstitute #Quantum #QuantumGravity #NiayeshAfshordi #physics #science #nature phys.org/news/2026-03...

Nonlocal one-loop form factors of the spectral action with Standard Model content We compute the complete nonlocal one-loop form factors F₁(□/Λ²) and F₂(□/Λ², ξ) of the curvature-squared sector of the spectral action S = Tr f(D²/Λ²) for the full Standard Model particle content: 4 r...

All papers open access:
📄 Form factors: doi.org/10.5281/zenodo.19098042
📄 Solar system tests: doi.org/10.5281/zenodo.19098100
📄 Weyl curvature bridge: doi.org/10.5281/zenodo.19354508
💻 Code: github.com/davidichalfyorov-wq/sct-theory

#OpenAccess #QuantumGravity #hepth #grqc

Most quantum gravity frameworks predict nothing testable below the Planck scale.

We derived a parameter-free modification of Newton's potential from the Standard Model particle content alone.

Thread on what we found 👇
#QuantumGravity #TheoreticalPhysics #hepth #grqc

Beyond the AI Hype: When Will We Know We’ve Reached AGI? AGI should not be declared based on hype, surprise, or market excitement. It should be recognized only when three far more meaningful benchmarks are met. The hype is not entirely wrong; it is simply ...

AGI should not be declared based on hype, surprise, or market excitement. It should be recognized only when three far more meaningful benchmarks are met.
www.ecstadelic.net/top-stories/...
#AIAlignment #ArtificialGeneralIntelligence #AGI #AIGovernance #AGIbenchmarks #QuantumGravity #macroeconomics

Beyond the AI Hype: When Will We Know We’ve Reached AGI? AGI should not be declared based on hype, surprise, or market excitement. It should be recognized only when three far more meaningful benchmarks are met. The hype is not entirely wrong; it is simply ...

AGI should not be declared based on hype, surprise, or market excitement. It should be recognized only when three far more meaningful benchmarks are met.
www.ecstadelic.net/top-stories/...
#AIAlignment #ArtificialGeneralIntelligence #AGI #AIGovernance #AGIbenchmarks #QuantumGravity #macroeconomics

Repulsive Gravitational Force as Witness of Quantum Gravity

Using quantum interference of gravitational forces and post-selection, a single spatially superposed mass can induce effective gravitational repulsion on a probe particle—impossible classically—witnessing quantum gravity with only one mass in superposition.

#QuantumGravity #QuantumSensing #Research

🔬✨ Dive into Causal Set Theory with our very own Dr. Yasaman Yazdi, of the School of Theoretical Physics!

In this insightful video, Dr. Yazdi explores groundbreaking concepts and shares her expertise on the frontiers of physics. 🧠💡 #DIAS #CausalSets #QuantumGravity
www.youtube.com/watch?v=5EoZ...

GitHub - rakovpublic/CCDR: cosmology theory cosmology theory. Contribute to rakovpublic/CCDR development by creating an account on GitHub.

As an independent theorist, I've developed CCDR and jneopallium (biological neuron network modeling). Two preprints are ready for gr-qc/hep-th.
Need arXiv endorsement — happy to share PDFs for review.
Links: github.com/rakovpublic/...
DM open!
#TheoreticalPhysics #QuantumGravity

Is loop quantum gravity dead? 50% chance. Are the most influential results in loop quantum gravity already produced in the past, or are there bigger discoveries to come? This market resolves to "Yes", if the most cited paper in l...

manifold.markets/ttoe/is-loop... #physics #quantum #gravity #universe #quantumgravity

Episode 64!!

New week, new stories. #ResearchMatters brings to you the news and views from the STEAM world.

In this week’s edition, #tigers to #quantumgravity, we have curated stories all under one platform, just for you.

To dive deep, subscribe at: researchmatters.substack.com/p/quantum-gr...

Deformed Algebraic QFT Reveals Planck-Scale Geometry of Black Hole Horizons

Researchers at Universität Leipzig built a noncommutative algebraic QFT on bifurcate Killing horizons, deriving a 2nd-order relative entropy correction showing Planck-scale effects intensify as black hole horizon area shrinks.

#QuantumGravity #NoncommutativeGeometry #BlackHolePhysics

Quantum Weak Cosmic Censorship: Semiclassical Proof via Generalized Entropy

IIT Gandhinagar physicist proves naked singularities remain hidden even under quantum effects, using the Quantum Focusing Conjecture and generalized entropy to establish a semiclassical Quantum Weak Cosmic Censorship principle.

#QuantumGravity #CosmicCensorship #Research

The Reality Glitch: Why You’re Not in the Same Universe Anymore 🌌 Wait... are you sure you're in the right timeline? Ever had that skin-crawling feeling that the world isn't quite how you remember it? From the Berenstain Bears mystery to the 'Monopoly Man's missing monocle,' we aren't just talking about bad memory—we're talking about quantum physics breaking the seams of our reality. In this mind-bending episode, we dive deep into the rabbit hole where cosmological anomalies meet the Mandela Effect. We’re stripping back the veil on the double-slit experiment to prove that merely looking at the world changes its outcome. Is the multiverse theory just science fiction, or is the Many-Worlds Interpretation the only logical explanation for the glitches in our collective consciousness? What we explore in this cosmic deep-dive: - 🧪 The Double-Slit Paradox: Why particles behave like waves only when we aren't watching. - 🌀 Parallel Dimensions: Are you living out your 'what-ifs' in another branch of the multiverse? - 🧠 Human Perception vs. Objective Reality: Why your brain might be a biological receiver for a shifting frequency. - ⚡ Timeline Shifts: Is the Mandela Effect scientific evidence or a psychological phenomenon? This isn't just a science lecture; it’s a controversial and thrilling look at the very nature of existence. Whether you’re a physics enthusiast or a fan of high-stakes mysteries, one thing is certain: by the time this episode ends, you’ll never look at a mirror—or a history book—the same way again. 🚀 Ready to glitch out of the matrix? Hit that subscribe button, leave a 5-star review if you've felt the shift, and share this episode with a friend to see if they remember the 'old' world too! Let’s find the truth together. 👁️✨  

📣 New Podcast! "The Reality Glitch: Why You’re Not in the Same Universe Anymore" on @Spreaker #consciousnessexpanded #cosmology #highstrangeness #jwst #mandelaeffect #manyworlds #matrixglitch #metaphysics #multiverse #paralleluniverses #quantumconsciousness #quantumgravity #quantummechanics

🌌 Extensión de amplitudes single-minus a gravitones

Nueva prepublicación extiende amplitudes single-minus a gravitones, con GPT-5.2 Pro.

openai.com/index/extending-single-m...

#QuantumGravity #ScatteringAmplitudes #TheoreticalPhysics #RoxsRoss

If a photon’s energy
𝐸 is so high that its wavelength
𝜆=ℎ𝑐/𝐸
λ=hc/E fits inside its Schwarzschild radius 𝑟𝑠=2𝐺𝐸/𝑐4rs=2GE/c4
, it collapses under its own gravity?
​
A photon can become a tiny black hole. #PlanckScale #QuantumGravity ?

I am currently reading The Elegant Universe by Brian Greene and the constant stream of questions that come up for me as I go through means that I think I need to get a permanent, live in particle physicist…does anyone know how to go about that?

#physics #StringTheory #QuantumGravity

Trapped in a "Cosmic Sandwich": Voids, Dark Matter & The Physics Crisis It turns out we are living in a giant cosmic sandwich. Imagine looking at a map of the entire universe and realizing your home address is stuck inside a flat, invisible pancake, crushed between two massive regions of absolutely nothing. According to a groundbreaking new study using advanced computer simulations, that is exactly where our Local Galactic Cluster resides. In this episode, we break down the mind-bending revelation that our galaxy is trapped in a thin sheet of Dark Matter, bordered by the terrifyingly empty Local Void. It sounds like science fiction, but the math checks out—at least, for now. But here is where things get controversial. Is Dark Matter actually the glue holding the universe together, or is it just a "fudge factor" scientists use because our current laws of physics are broken? We discuss the growing tension in astronomy as the James Webb Space Telescope (JWST) continues to find "impossible" galaxies that defy the Standard Model of Cosmology. Are we just adding more complexity to a dying theory? Or are these cosmic anomalies actually pointing us toward the holy grail of physics: Quantum Gravity? If you are tired of hearing that "we don't know," and want to explore the edge of what is possible, this conversation is for you. We are looking at the universe's structure, the mystery of the voids, and why modern astronomy might be on the verge of a total collapse. Hit play to find out what is hiding in the void. 🚀 Join the search for truth: If you think physics is due for a rewrite, Follow/Subscribe now and rate the show 5 stars! Let’s push this mystery up the charts.  

📣 New Podcast! "Trapped in a "Cosmic Sandwich": Voids, Dark Matter & The Physics Crisis" on @Spreaker #astronomy #astrophysics #cosmicmystery #cosmology #darkmatter #deepspace #galaxies #gravity #jameswebb #jwst #physics #quantumgravity #sciencenews #sciencepodcast #simulation #space #spacetime

Make The String Theory Landscape Great Again

Make The String Theory Landscape Great Again

#Stringtheory #Physics #Quantumgravity #Falsevacuum #Multiverse

sciencehumor.io/physics-memes/make-the-s...

Dark matter actually exist? New Gravity Research Dark matter actually exist? Physics research by Naman Kumar suggests that modified gravity, rather than invisible particles, explains galactic rotat...

#Research #Astrophysics #Cosmology #DarkMatter […]

[Original post on nasaspacenews.com]

Does dark matter actually exist? New theory says it could be gravity behaving strangely "It highlights gravity's possible hidden complexity and invites a reevaluation of where dark matter effects originate."

#space #universe #physics #theory #darkmatter #quantumgravity

1974, Stephen Hawking shows black holes should radiate. 2026, we’re still stuck on the same riddle—what happens to information? If quantum theory is unitary, where does the “lost” data go, and how (if ever) does it come back? #physics #QuantumGravity

Trilogy V2.2 watermark.pdf

Here is the link for AC trilogy : drive.google.com/file/d/1bVYB...

#MathSky #PhilSky #QuantumGravity #PhilosophyOfPhysics
@seanmcarroll.bsky.social @jimbaggott.bsky.social
@drbecky.bsky.social @physicstoday.bsky.social
@astrobites.bsky.social @philsci.bsky.social
@sfiscience.bsky.social

Trilogy V2 Watermark.pdf

Here is the link for the PDF: drive.google.com/file/d/1IPo9...

#MathSky #PhilSky #QuantumGravity #PhilosophyOfPhysics
@seanmcarroll.bsky.social @jimbaggott.bsky.social
@drbecky.bsky.social @physicstoday.bsky.social
@astrobites.bsky.social @philsci.bsky.social
@sfiscience.bsky.social

Stuart Kauffman Argues Biology’s Indefinite Creativity Defies a Theory of Everything, Outlines Nonlocal Route to Quantum Gravity Complexity theorist Stuart Kauffman contends that open-ended biological evolution continually creates novel possibilities that cannot be deduced from prior states, challenging the notion of a universal, entailing Theory of Everything. He further advances a nonlocal approach to quantum gravity that maps quantum mutual information to spacetime distance, while stressing that the mathematics requires independent verification.

Kauffman says open-ended evolution generates novel, nondeducible possibilities that undercut a universal Theory of Everything; he outlines a nonlocal quantum-gravity idea mapping quantum mutual information to spacetime distance. #Complexity #QuantumGravity

From physics to health: A passion for communicating learning - Gates Cambridge Matthew Blacker talks about his path to Gates Cambridge, his passion for quantum physics and for improving the lives of others both physically and mentally.

Matthew Blacker talks about his path to Gates Cambridge, his passion for quantum physics and for improving the lives of others both physically and mentally - www.gatescambridge.org/about/news/f...

#quantumgravity #anorexia #mentalhealth

@uniofcam.bsky.social @gatesfoundation.bsky.social

Wormholes may not exist – we’ve found they reveal something deeper about time and the universe | The-14 Wormholes likely don’t exist; Einstein–Rosen bridges reveal mirrored arrows of time, resolving black hole paradoxes.

Wormholes may not exist – we’ve found they reveal something deeper about time and the universe
#Physics #QuantumPhysics #Cosmology #Astrophysics #Universe #QuantumGravity #BlackHoles #CosmicTime #CosmicOrigins #QuantumTime #DarkMatterTheory #Wormhole #Time
the-14.com/wormholes-ma...