For the first time, a framework shows Einstein’s relativity aligns with quantum physics.
Scientists have finally figured out a way to connect the dots between the macroscopic and the microscopic worlds. Their magical equation might provide us answers to questions like why black holes don’t collapse and how quantum gravity works.
Albert Einstein’s theory of general relativity has revolutionized our understanding of gravity and the universe. However, it leaves some unanswered questions, particularly about singularities and black holes.
Recent studies suggest quantum mechanics could help resolve these mysteries and offer new insights into the fundamental nature of space-time and black holes.
General relativity is a theory developed by Albert Einstein to explain how gravity works.
Black holes are objects of mystery and dread from which nothing can escape… but could they also be the foundations of future civilizations of unimaginable might and size.
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Credits:
Quasar Cannons \& Black Hole Tech.
Episode 434; February 15, 2024
Produced, Written \& Narrated by: Isaac Arthur.
Graphics:
Bryan Versteeg.
Fishy Tree.
Jakub Grygier.
Jeremy Jozwik.
Ken York.
Luca De Rosa.
Sergio Botero.
SpaceResourcesCGI
Music Courtesy of:
NSF NOIRLab rings in the New Year with a glittering galaxyscape captured with the Department of Energy-fabricated Dark Energy Camera, mounted on the U.S. National Science Foundation Víctor M. Blanco 4-meter Telescope at Cerro Tololo Inter-American Observatory in Chile, a Program of NSF NOIRLab. This ultra-deep view of the Antlia Cluster reveals a spectacular array of galaxy types among the hundreds that make up its population.
Galaxy clusters are some of the largest known structures in the known universe. Current models suggest that these massive structures form as clumps of dark matter and the galaxies that form within them are pulled together by gravity to form groups of dozens of galaxies, which in turn merge to form clusters of hundreds, even thousands.
One such group is the Antlia Cluster (Abell S636), located around 130 million light-years from Earth in the direction of the constellation Antlia (the Air Pump).
Scientists at the Large Hadron Collider (CERN), the world’s most powerful elementary particle booster, have discovered the heaviest form of antimatter ever observed. This discovery is as significant as previous achievements at CERN, in particular the discovery of the Higgs boson and studies of B-meson decay.
The ALICE (A Large Ion Collider Experiment) has discovered an antimatter particle, antihyperhelium-4. It is the “evil twin” of another exotic particle, hyperhelium-4. This form of antimatter consists of two antiprotons, an antineutron, and an unstable antilambda particle, which in turn contains quarks.
The discovery is important for studying the extreme conditions that reigned in the Universe less than a second after the Big Bang. It also helps us understand one of the biggest mysteries of physics, the problem of baryonic asymmetry. According to the theory, matter and antimatter should have existed in equal amounts after the Big Bang, and the mutual annihilation of these particles should have produced pure energy. However, the present Universe is composed predominantly of matter, and antimatter is preserved only in small quantities. The study of hyperhelium and its antiparticle may shed light on the causes of this imbalance.
The Hubble Tension: A Crisis in Cosmology
Astronomers using the James Webb Space Telescope (JWST) and Hubble Space Telescope have confirmed a persistent and troubling discrepancy in the universe’s expansion rate, a phenomenon called the Hubble Tension. Published in Astrophysical Journal Letters, this study definitively rules out measurement errors, leaving scientists to question fundamental cosmological principles.
Scientists are challenging the existence of dark energy with a new model called “timescape,” which suggests the Universe’s expansion might be influenced by its uneven structure rather than an invisible force.
This theory could resolve ongoing cosmological debates, with upcoming satellite data playing a key role in confirming its validity.
Questioning Dark Energy’s Existence
Posted in cosmology, physics | Leave a Comment on Observational evidence for cosmological coupling of black holes and its implications for an astrophysical source of dark energy
“The Universe Expands Beyond All Bounds”
The universe expands beyond all bounds, Black holes gain mass, where wonders surround. Curvature shifts like moonlight’s gleam, Adding new mass, no matter redeemed.
A new year dawns with lessons to share, Physics reveals a truth so rare. The cosmos vast, profound, and wide, Marks 2025 with knowledge as our guide.
The first endeavor of this brand-new year, Explains black hole growth without drawing near. Expanding space, a force untamed, Curvature energy, its role proclaimed.
Based on observed and verified research: arxiv.org/abs/2302.
Through our novel gravitational field theory: dx.doi.org/10.1016/j.astropartphys.2024.
Details await within the links above, Happy New Year 2025 to all with love! http://dx.doi.org/10.13140/RG.2.2.18170.
In a groundbreaking study, researchers have developed optical spring tracking to enhance signal clarity in gravitational-wave detectors, such as aLIGO.
This innovation could dramatically increase our understanding of cosmic events like black hole mergers, potentially unlocking secrets of the universe’s formation.
Revolutionary advances in gravitational wave detection.
What is the deepest level of reality? In this Quanta explainer, Vijay Balasubramanian, a physicist at the University of Pennsylvania, takes us on a journey through space-time to investigate what it’s made of, why it’s failing us, and where physics can go next.
Explore black holes, holograms, “alien algebra,” and more space-time geometry: https://www.quantamagazine.org/the-un…
00:00 — The Planck length, an intro to space-time.
1:23 — Descartes and Newton investigate space and time.
2:04 — Einstein’s special relativity.
2:32 — The geometry of space-time and the manifold.
3:16 — Einstein’s general relativity: space-time in four dimensions.
3:35 — The mathematical curvature of space-time.
4:57 — Einstein’s field equation.
6:04 — Singularities: where general relativity fails.
6:50 — Quantum mechanics (amplitudes, entanglement, Schrödinger equation)
8:32 — The problem of quantum gravity.
9:38 — Applying quantum mechanics to our manifold.
10:36 — Why particle accelerators can’t test quantum gravity.
11:28 — Is there something deeper than space-time?
11:45 — Hawking and Bekenstein discover black holes have entropy.
13:54 — The holographic principle.
14:49 — AdS/CFT duality.
16:06 — Space-time may emerge from entanglement.
17:44 — The path to quantum gravity.
——-
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