What is Quantum Gravity? | COSMOS in a minute #25
ฝัง
- เผยแพร่เมื่อ 11 มิ.ย. 2023
- Quantum gravity is the hardest problem in physics. It's the attempt to unify the two pillars of modern physics: quantum mechanics and general relativity. It's the study of how gravity works at the quantum level, where the laws of physics are very different from what we experience in everyday life. One of the biggest challenges in quantum gravity is that gravity is the weakest force in nature. It's so weak that it's impossible to study for particles in the lab. We can only see its effects on very large objects, like planets and stars. Scientists have been working on quantum gravity for decades, but they haven't been able to come up with a complete theory. So it remains one of the biggest unsolved mysteries in physics, one that scientists are determined to solve.
For more videos of Cosmos in a minute, follow The Secrets of the Universe.
#cosmosinaminute - วิทยาศาสตร์และเทคโนโลยี
Universe is so interesting, it hurts my brain.
U can only find truth of universe by reading in Quran, otherwise all the theories r going to hurt your brain only 💯
@@Assad0x11Bhagavad Gita has written all the quantum mechanics truths.
Just quantum mechanics truth?
@@Assad0x11 Multiverse, Life is Maya(Simulation ),Sun and Earth Distance and other things I forgor
@@Assad0x11why Quran can't predict the existence of the internet?
The problem of modern physics is they're trying to explain everything with particle physics and the physics is being cornered more and more to the dead end.
The interaction between mass and space must be explained with quantum mechanics.
But that doesn't mean gravity is the QM phenomena.
That's because gravity is not a force.
Gravity is just a joint effect of the expansion of the Universe and the curvature of spacetime.
Details are given below.
Alternative Explanation of Dark Matter and Dark Energy - Newly proposed model of Universe can explain both of Dark Matter and Dark Energy
Einstein’s theory of General Relativity states that spacetime is curved by the presence of mass.
This curvature influences the motion other objects with mass and gives rise to gravitation.
Thus, gravity is a result of geometric features in spacetime.
However, we also observe gravitational effects - curvature of spacetime - in areas without any detectable mass.
This has given rise to the concept of dark matter, which is matter that does not interact in any detectable way with normal matter, except through gravity.
So, there is some large quantity of dark matter scattered throughout the universe, which curves spacetime and causes gravitational effects just like normal matter, but we cannot see or detect it with any known method.
An alternative theory to the identity of dark matter is proposed - it is not matter at all, but rather an intrinsic curvature of spacetime.
In other words, spacetime is not naturally flat. Even in the absence of matter, we observe some inherent curvature of spacetime.
So, the question is now - why is spacetime naturally curved? Why is it not flat in the absence of mass?
The universe is 4-dimensional, with 3 spatial dimensions and one dimension in time.
Rather than consider time as a linear dimension, we can consider it as a radial one.
Therefore, rather than describing the universe with a Cartesian coordinate system, we describe it with a 4-dimensional spherical coordinate system - 3 angular coordinates, φ1, φ2, φ3, and one radial coordinate in time, t.
We live on the 3-dimensional surface of a 4-dimensional bubble which is expanding radially in time.
Thus, the Big Bang represents t=0, the beginning of time.
The crucial point is that the expansion of the universe is not homogeneous in all directions.
The expansion rate at one point on the bubble’s surface may differ slightly from another point near it.
The universe is only roughly spherical in 4 dimensions, the same way that the Earth is only roughly spherical in 3 dimensions.
The same way we observe local mountains and valleys on the surface of Earth, we observe local “mountains” and “valleys” on the surface of the universe bubble.
The inhomogeneity of the expansion of the universe has given rise to natural curvature of spacetime. This natural curvature causes the phenomenon of “dark matter”. “Valleys” in spacetime pull matter in, similarly to the warping of spacetime of massive objects.
So “dark matter” is really “valleys” in spacetime that are expanding slower than the regions surrounding it.
These valleys tend to pull matter in and create planets, stars, and galaxies - regions of space with higher-than-average densities of mass.
Conversely, “mountains” in spacetime will repel matter away, an “anti-gravitational” effect, which gives rise to cosmic voids in space where we observe no matter.
Each point on the surface of the universe bubble traces out a time arrow in 4-dimensional space, perpendicular to the surface.
These time arrows are not parallel to each other since the universe is not flat.
This causes points to have nonzero relative velocity away from each other.
It is generally accepted that the universe is expanding faster than observable energy can explain, and this is expansion is believe to be still accelerating.
The “missing” energy required to explain these observations has given rise to the theory of dark energy.
The time dilation caused by non-parallel time arrows can be proposed as an explanation for dark energy.
Alternatively, dark energy is real energy coming from potential energy gradients caused by non-parallel time arrows.
As a sanity check, we can calculate the expansion rate of the universe based on the universe bubble model.
Since the radius of the universe bubble is expanding at the speed of light in the time direction, it increases at 1 light second per second.
Therefore, the “circumference” of the 3-dimensional surface increases by 2π light seconds per second, or about 1.88*10^6 km/s.
This expansion is distributed equally across the 3-dimensional surface, so the actual observed expansion rate is proportional to the distance from the observer.
At present, the age of the universe is estimated to be 13.8 billion years, so the radius of the universe bubble is 13.8 billion light years, or about 4233 megaparsecs (3.26 million light years to 1 Mpc).
Thus, we can calculate the expansion rate of the universe, per megaparsec from the observer, as:
Expansion rate = ((d(circumference))/dt)/radiusofuniverse=(1.88*〖10〗^6 km⁄s)/(2π*4233Mpc)=(1.88*〖10〗^6 km⁄s)/26598Mpc=70.82(km⁄s)/Mpc
The popularly accepted empirical expansion rate is 73.5 + 2.5 km/s/Mpc, so our calculated value is close.
There may be some additional source of expansion (or observed red shift) to make up for the discrepancy. For example, if two adjacent points have some gravitational gradient due to non-parallel time arrows, then light passing through these points will be red-shifted.
- Cited from www.academia.edu/82481487/Title_Alternative_Explanation_of_Dark_Matter_and_Dark_Energy
You cannot deny you put a lot of work into that , i wanted to let you know how much it's appreciated!👍👏👏
Really nicee
Wow. So, time is the fourth dimension?
@@nickiemcnichols5397 hi, it is an elusive dimension only to be pursued by living intelligent species,, matter does experience it,s effect
but time means nothing for it,, time is relative,, yes when you want something to happen it is longer then when you do not want it to happen,lol,
wow super explained about Universe 🌌 clear explanation.
Sounds like we need another Einstein.
No, Newton
@@uzaklarda90or Nikola Tesla, Newton, Leonardo da Vinci, Einstein, and Richard Feynman combined.
@@Alex-ns6hj we have him already
We have scary freaking geniuses. I mean genius people pointing to another and saying "He's a genius" . There's maybe 5 in the world like this.
Like the kid that graduated Princeton at 7 and his sister the same. They're out there.
I gotchu it’s cause the quantum’s feel like it that’s why they do what they do boom solved if ur welcome
Nature is bizarre !😮❤👍
that is what i say every morning loocking at my mirror,lol
@@robertpotvin8872 no care
@@_onelittlecritter_ so no care for no care who cares lol 🤣
❤
@@_onelittlecritter_you cared enough to reply tho
It's was Newton, then we had Albert wait for next coming
And I AM
we have had Stephen hawking as well
He is coming soon….
I hope whoever reads this has a happy life.
You too❤
Life is hard dude😢
It's very kind of you
you too 💖
Gravity is only the weakest force if you define strength as the maximum possible force that can be felt, but if you define it as the maximum distance a force can be felt it is far and away the _strongest_ force.
_What?_ _What...??_
@@pangeaproxima3681Your own body's gravity affect the entire universe, even the farthest star
@@jambon2730 _What??_
Gravity isn’t so much a force though it’s more like objects with momentum following the path laid out by another massive object due to its effect on the fabric of spacetime.
Less like the electromagnetic force which can attract two things together, gravity doesn’t attract anything that’s the illusion. It warps spacetime and other massive objects follow the curves created in it
@@gottabepablo ok, ok....
I think this is because gravity isn't a force, it's just the curvature of spacetime (theory of relativity). If you fall in the vacuum, there ins't any force that acts on you. For example the astronauts on the ISS are just weightless, because the fall around the earth.
A quick correction: the astronauts on the ISS DEFINITELY experience gravity! The reason they are able to stay above the surface of the earth and “float” around is because they are in orbit.
This means they are still falling towards the earth (astronauts experience about 90% the force of gravity we feel on earth) but they are moving SIDEWAYS so fast, that they move away from the curvature of the earth at the same time.
Basically, if there was absolutely no gravity in a vacuum, there would be no need to travel horizontally. This is why rocket ships spend a majority of their fuel accelerating sideways, they need to go fast enough to go into orbit, or “fall forever”!
@@Bluzigo Yes, they experience gravity, but not as a force, there is no force acting on them but they still orbit the earth, because of gravity. This has to mean that gravity isn't a force, because they are weightless and no force is acting on them, but there is still gravity "acting" on them (I think). Correct me if I misunderstood something.
First there is nothing like space or vaccu.Einstein's special theory of relativity is completely wrong.Cosmic relativity of Dr .C.S.Unnikrishnan figured out some of the major mistakes and remarkable findings in his COSMIC RELATIVITY.Unfortunately the scientific community is not even ready to debate on it.This is the best example for ethical discrimination.Bloody EUROPEANS
@@createfox I totally see where you’re coming from! You’re not entirely wrong, but technically gravity is still a force acting on them. When in orbit, astronauts are essentially in free-fall. Since there is no “ground” that will stop them from falling (because orbit) they will basically fall forever!
It’s similar to jumping on a trampoline. Whenever you are midair, it feels like you’re falling. You could even bring something on the trampoline with you, like a ball, and let go the moment you jump into the air. The ball will fall at the same speed as you, so it looks like it floats!
Edit: also, since the earth is a HUGE sphere and curves away, you can imagine how fast you would need to move sideways to fall the same amount the earth curves away from you (for the ISS, over 4 miles per second!)
Hi @@createfox! Gravity = The Spaceless and Timeless Vacuum Energy State of Matter!!! :)
Quantum gravity is a theoretical framework that seeks to reconcile the principles of quantum mechanics, which govern the behavior of particles on very small scales, with the theory of general relativity, which describes gravity on cosmological scales. The challenge arises because traditional quantum mechanics and general relativity are formulated in ways that appear incompatible when applied to extremely strong gravitational fields, such as those near the center of black holes or during the early moments of the universe.
Here are key aspects of quantum gravity:
1. **Quantum Mechanics and General Relativity Conflict:**
- Quantum mechanics successfully describes the behavior of particles at the subatomic scale.
- General relativity successfully describes gravity and the curvature of spacetime caused by mass and energy.
2. **Quantum Gravity Unification Attempts:**
- Physicists are working on theories that aim to unify quantum mechanics and general relativity into a single, consistent framework.
- String theory and loop quantum gravity are among the prominent approaches to quantum gravity.
3. **String Theory:**
- In string theory, fundamental particles are not point-like but rather tiny, vibrating strings.
- The theory incorporates gravity naturally and attempts to provide a unified description of all fundamental forces.
4. **Loop Quantum Gravity:**
- Loop quantum gravity views spacetime as a network of interconnected loops.
- Quantization is applied to the geometry of space, leading to discrete structures at the smallest scales.
5. **Challenges and Open Questions:**
- Developing a complete and experimentally testable quantum theory of gravity remains a significant challenge.
- The extreme conditions where quantum effects become crucial (e.g., near the singularity of a black hole) are difficult to observe and test.
6. **Cosmological Implications:**
- Quantum gravity is essential for understanding the behavior of the universe at the earliest moments, such as during the Planck epoch.
In summary, quantum gravity aims to extend our understanding of the fundamental forces by addressing the challenges that arise when combining quantum mechanics and general relativity, ultimately providing a unified description of
I bet it must be something soo simple and obvious, we just look in the wrong place
I mean once someone manages to actually discover a working unified theory of quantum gravity then it probably would look easy in hindsight, with people in the future asking how stupid we must have been to not realize it all along.
After finding out everything looks simple
There could still be missing variables & other particles we don't know about
Dark matter? 🤔
A gravity well is like a hill and a person, the higher the slope the less you’ll be able to run up or escape the pit or center. This doesn’t explain everything but could help you understand the gravitational well.
i like science
but im 11
so its very hard to understand
Keep on learning.
keep at it, and learn to enjoy learning
tanks!@@u_mirin_brah6674
Stay curious!!
Keep going buddy!
I think there is the value that physic law can not be applied.
1.Beyond speed limit of light
2.Under minimum weight limit.(I guess the weight of a particle of light)
I think light value made everything.
photons have zero mass
@@MathematicalJoeBiden zero rest mass
@@mvyshak rest mass??? what does that mean, when they arent moving? Thats impossible. When you have zero mass, you are always moving at the speed of light, unless you have zero energy. However, photons can only get so close to zero energy, because eventually they reach equilibrium with the vacuum of space, which itself has just a tiny bit of energy.
@@MathematicalJoeBiden do you know what rest mass and relativistic mass mean??
I guess not, search about relativistic mass on google.
light has relativistic mass.
its ofcourse impossible and unacceptable to believe, but its the truth.
@@MathematicalJoeBidenThe Mass of photon isn't defined ( probably can't be defined) by NEWTONIAN MECHANICS. So with the help of quantum mechanics we take E as HC/lambda and avoid 1/2 mv^2 as we can't define mass of photon but we assume rest mass as zero as per theory of relativity
Quantum gravity (QG) is a field of theoretical physics that seeks to describe gravity according to the principles of quantum mechanics. It deals with environments in which neither gravitational nor quantum effects can be ignored,[1] such as in the vicinity of black holes or similar compact astrophysical objects, such as neutron stars.[2][3]
Three of the four fundamental forces of physics are described within the framework of quantum mechanics and quantum field theory. The current understanding of the fourth force, gravity, is based on Albert Einstein's general theory of relativity, which is formulated within the entirely different framework of classical physics. However, that description is incomplete: describing the gravitational field of a black hole in the general theory of relativity leads physical quantities, such as the spacetime curvature, to diverge at the center of the black hole.
This signals the breakdown of the general theory of relativity and the need for a theory that goes beyond general relativity into the quantum realm. At distances very close to the center of the black hole (closer to the Planck length), quantum fluctuations of spacetime are expected to play an important role.[4] To describe these quantum effects a theory of quantum gravity is needed. Such a theory should allow the description to be extended closer to the center and might even allow an understanding of physics at the center of a black hole. On more formal grounds, one can argue that a classical system cannot consistently be coupled to a quantum one.[5][6]: 11-12
The field of quantum gravity is actively developing, and theorists are exploring a variety of approaches to the problem of quantum gravity, the most popular being M-theory and loop quantum gravity.[7] All of these approaches aim to describe the quantum behavior of the gravitational field. This does not necessarily include unifying all fundamental interactions into a single mathematical framework. However, many approaches to quantum gravity, such as string theory, try to develop a framework that describes all fundamental forces. Such a theory is often referred to as a theory of everything. Others, such as loop quantum gravity, make no such attempt; instead, they make an effort to quantize the gravitational field while it is kept separate from the other forces.
One of the difficulties of formulating a quantum gravity theory is that direct observation of quantum gravitational effects is thought to only appear at length scales near the Planck scale, around 10−35 meters, a scale far smaller, and hence only accessible with far higher energies, than those currently available in high energy particle accelerators. Therefore, physicists lack experimental data which could distinguish between the competing theories which have been proposed.[n.b. 1][n.b. 2]
Thought experiment approaches have been suggested as a testing tool for quantum gravity theories.[8][9] In the field of quantum gravity there are several open questions - e.g., it is not known how spin of elementary particles sources gravity, and thought experiments could provide a pathway to explore possible resolutions to these questions,[10] even in the absence of lab experiments or physical observations.
In the early 21st century, new experiment designs and technologies have arisen which suggest that indirect approaches to testing quantum gravity may be feasible over the next few decades.[11][12][13][14] This field of study is called phenomenological quantum gravity.
SÜBHANALLAH Allah'ım her yerde Seni görüyorum! Bu müthiş
Gravity is not a force. It’s the time that makes it happen.
Then why we fall to the sun
@@zeff8820 because the time around sun is slower. Everything moves to where time is slower.
Time is the key. We just need to understand what time truly is, outside of its relativity to ourselves and what we think it is.
@@Benyoismeso is time a force?
Time is basically energy. The higher the energy, the slower the time?
From my understanding, gravity exists and doesn't exist at the same time for quantum gravity, or does it just work only on the cat?
Yea, you are completely wrong
Quantum gravity is much easier than mass gap theory in QFT
@@swanandXD dam
@@Ammarsafwan7 I totally understand that
@@ikhpie4977 Meh I mean if you got completely wrong with Quantum Gravity I hardly believe that you could understand mass gap
At quantum level, it's the magnetism which plays a role of gravity n heat
Thank you for these informative short videos.
And He has a Heart Purer than Gold...
I wonder if gravity is stronger at the quantum level vs the larger realms
It is predicted to be
When I was a kid I thought gravity was caused by density pulling on density. This is why things cluster in space and why things way differently regardless of size. But when I was taught gravity has more to do with space time pushing things together and more heavily on masses taking up larger space, my mind has hit a block…
The whole concept of gravity depends on the key that it's existence/growth/calculation (basically everything), depends on mass. At the quantum level the mass is so so so less (like its not even there lol) that I dont understand what "Quantum Gravity" are we trynna find but super cool.
It's time for a Indian genius to solve this quantum gravity 😎
Yup
aaj ke jamane me ham sab logo me se to aur koi aane nhi aane waala. Sab IIT ke 14 hai
Yeah right. Scientists are "working on Quantum Gravity for decades" like George RR Martin is writing The Winds Of Winter every day for the last 12 years
Could gravity be the combined effect of all interactions at the quantum kevel?
Determination doesn't mean they'll find an answer as it might not ever exist ... that's why its still a theory
Rig Veda-1-103-2 explains: “The gravitational effect of Solar System keeps the earth stable.”
Something is hiding from us.
I would hide too
I'm in Astrophysics so I need some special kinds of Videos os Shorts as I'm a Beginner in IIT BOMBAY.
Quantum gravity is where religion takes the place of science.
Wrong.
@@V0idFace then show me your evidence ( a crucifix does not count by the way)
@@sidstevens9035 I don’t need to give evidence to refute your baseless and unproven claim. Burden of proof, logic 101.
Not sharp, eh?
@@sidstevens9035Show us YOUR evidence.
Your god doesn’t exist
Gravity isn't a force. That is why we can't detect it.
We can detect it. Gravity waves. Taking somethings weight and maybe acceleration or dec. I'm sure you would detect gravity while being spaghettified. Oh gravitational lensing
@@jameskiefer4277 Since gravity isn't a force you can't measure it. Gravitational lensing is the warping of the fabric of space/time creating a magnifying lens. It has nothing to do with gravity.
@@justsomeguy6474 the warping of spacetime is caused by gravity though. So the lens effect is a direct consequence of gravity and the amount of lensing is linked to the mass of the object causing the lens so it can be measured.
What is unknown is if it is a force. Sure. But you can detect and measure it. Just like you can detect and measure wind but wind isn't a fundamental force. It's the outcome of pressure differences.
@@michaellaverick2527 Mass warps the fabric of Space/time not gravity. It's centrifugal force not gravitational that magnifies the light.
@@justsomeguy6474 Ain't no cosmology/physics book I've ever read come up with that. Including very recent ones. So no.
All mass are waveforms. Those waves don't disappear at some arbitrary distance from their source. The Earth's gravitational field (for instance) is the total of all the waves of all its mass. That is like the Earth is surrounded by concentric spheres. That is why space curves around mass. The wavelength (how close those concentric spheres are to each other) is given by de Broglie's equation: The wavelength of mass is equal to Planck's Constant divided by it's momentum. Time dilation is the inverse relation between Graviton density and the rate of physical processes. There must be gravitons because the inverse square law of gravitational strength sayas so.
just remember when they say gravity is the weakest force, it is still capable of stopping the speed of light in its tracks.
also it makes no sense to think the macro world and the micro world work the same. you could be able to explain how micro makes up macro and effects its behavior, but you cant pretend macro and micro behave the same way or operates under the same laws. thats why everyone fails because they keep putting that circle peg through a triangular hole and it doesnt fit.
@MTMA94 The higher pattern is only such, because of the mold of this universe. Other universes could have different laws of physics so the naturally forming patterns would be different or impossible here.
its interesting, i have a reoccurring dream about a three leaf plant spiraling out the ground and growing
Maybe its too simple for us to consider that matter displaces the fabric of space creating an area of low density space and these areas are drawn toward each other much like low pressure systems in the atmosphere.
Gravity is nothing than a attravtive force between neutrons because more mass,more nucleus, more stability so it is just a force of attration of neutrons of an atom
I've perfectly connected general relativity and quantum mechanics together it explains everything in the universe and also has a lot of predictions
Well; since gravity distort time, could mean matter is pulled toward destorted area to unify times.
Here’s a theory: strong nuclear force is the gravity we know from planets and stars because those things have atoms that are densely packed together so that means a lot of strong nuclear force is in that area holding the atoms together and on the regular that force has weakened so it’s not as strong as it is on the atomic level because the range is larger but that doesn’t mean it is non existent. Strong nuclear force is still active on the regular level but not to the strength as the atomic level
Until we as a scientific and world community understand more about the quantum physics or rules of the quantum realm we'll never understand the particle engagement of the two...
But one thing is for certain there are two separate realms of reality in which we understand realize and live by each bearing their own influence on the other but together making up our reality...
And He wants us to know that...
Try factoring the reverse of atomic fussion and hydrogen fission...
I feel like gravity is a result of motion and so is time. So, like mass and energy are interchangeable I also believe time and gravity are as well.
Only interdisciplinary scientist like me could solve this problem in English basically every living thing has a soul it has a dimensional foundation to it in a higher or lower plain once they lose it other plains their life begins to go down hill until they lose it in this plain which is the very last plain of existence like dominoes that’s why guarding your energy is important in life we are fighting battles every day but it’s important to stay true to yourself and have integrity. I’ll attempt to address the answering the question
Why Quantum gravity represents one of the most significant challenges in modern physics because it seeks to unify general relativity, which describes gravity at large scales, with quantum mechanics, which explains the behavior of particles at the smallest scales. The difficulty lies in the fundamental differences in how the two theories describe the universe: i
1. **Incompatibility of Principles**: General relativity is a deterministic theory where the geometry of spacetime is smooth and continuous. In contrast, quantum mechanics is probabilistic and features discrete quantized states.
2. **Planck Scale**: Quantum gravity effects are believed to become significant at the Planck scale, which is so small that the energy required to probe it is beyond our current capabilities. This makes experimental verification extremely challenging.
3. **Singularity and Quantum Effects**: General relativity predicts singularities where gravity becomes infinite, such as inside black holes. However, quantum mechanics suggests that no physical quantity can actually become infinite. Reconciling these outcomes is non-trivial.
4. **Lack of Empirical Data**: There is currently a lack of experimental evidence for quantum gravity because the conditions where quantum gravity effects would be observable (such as the very early universe or black hole singularities) are not accessible.
If two experts from different disciplines, say a biologist studying organogenesis and a physicist studying quantum gravity, were to collaborate, they could potentially inspire new approaches to solving the problem of quantum gravity. Here's how a hypothetical discussion could be constructive:
- **Cross-Disciplinary Analogies**: A biologist could offer insights into how complex systems self-organize and adapt, which might inspire new ways of thinking about spacetime at the quantum level.
- **Complex Systems Behavior**: Biology deals with complex, emergent systems, which might offer metaphors or conceptual frameworks that could be applied to the quantum-gravity problem.
- **Information Processing**: Both cells and quantum systems process information, though in very different ways. Understanding these mechanisms might offer new perspectives on quantum states and gravity.
- **Understanding Scale**: Biologists are adept at understanding processes at various scales, from molecular to ecological. Physicists could apply this scaling perspective to reconcile large-scale gravity with small-scale quantum effects.
- **Feedback Loops and Interactions**: Biological systems often involve feedback loops and non-linear interactions, which could inspire new mathematical models for quantum gravity.
The scientific method would be upheld throughout the discussion as experts from different fields bring unique methodologies and perspectives to the table. They would pose hypotheses, devise experiments or simulations to test these hypotheses, and use observational data to refine their models. Observers from other scientific disciplines could ensure that the discussion remains grounded in empirical evidence and logical reasoning while encouraging innovative thinking. The goal would be to foster an interdisciplinary approach that might lead to breakthroughs by transcending the limitations of traditional thinking within each discipline.
Electrostatic forces are what caused the coalition of atoms to form the first ever clouds of atoms which eventually became stars. Gravity simply became the byproduct of electrostatic forces.
Thanks 😊nice video
Gravity is an electromagnetic emission of a mass that is on a constant motion vector unless acted on by another mass.
I'm a loop quantum gravity man, myself. It states that space is not smooth and continuous but quantified at the Planck length...
The Higgs Field is the atmosphere of Space.
Galaxies and their stellar bodies are turbulently swirling, moving through this atmosphere of space at several million miles per hour.
There is turbulent disruption of the Higgs Field, with vast compression increasing around all massive bodies.
The Higgs Field is forced into each body, interacting (colliding) with the quantum fields of the stellar objects, pushing them toward the center of mass (but the mass of objects resist each other, giving the "gravity" appearance).
Only light waves seem not to collide with the Higgs Field, but it does curve as it passes through the collapsing density of the Higgs Field around massive objects.
No gravity.
No curved space/time.
All material motion is from collision, of matter, of fields, etc.
Quantum gravity: the branes tendency to go back to rest state after the stress of a charge state. Our timeline itself is quantized in an orchestration, expansion of chaos is time, but quantized im correlation to quantum gravity.... 🤔
Gravity is simply a weak force for us but it's not that weak for those at quantum lvl
Try a liquid that s heavier than another one. In liquids ,time is drasticaly different.
Wow that's so interesting
What blows my mind is two massive objects can orbit each other where the center of gravity is in the middle of dead space between the two objects. The whole ball in a fabric visualization doesn’t even depict this aspect of how gravity works. The “well” in space time is centred between two objects where there is absolutely ZERO mass.
Since the general theory of relativity and Einstein's field equations are precise when looking for quantum gravity, do you not understand that Einstein's theory of gravity says that gravity is not a force like the nuclear force or the electromagnetic force, but rather it is the geometry of the structure of space-time?
Thank you!! It is simply an illusion. The bigger question would be to ask how matter alters the fabric of space time.
So, what precisely is quantum gravity? It stands as the most enigmatic conundrum, an unfathomed riddle, nestled within the celestial tapestry we fondly term as the universe 💫❤️
If we zoom out even more I wonder what other forces we can find
You can zoom in tho
I love the universe
Its really interesting
Quantum gravity is just the energetic progression of the object. Everything has a unique frequency and density
Theory only gets you so far
When I was young studying Mechanical engineering I took average marks and calculus was difficult. But I understand very easily now .But my age is gone. 52 years now. I feel that I missed something.
I always feel that. I think we didn't have a good teacher
@@fasminakasim9297 of course
I'm guessing that gravity operates in a higher dimension. Explaining why we so little control over it.
Wow, very nice🥰🥰🥰
the weak force,,yes at the quantum level,but gets very strong when interracting with huge masses,,,, the more mass the stronger it gets,holding together a galaxie ,takes a lot of power don,t you think!?
That is where dark energy and dark matter push or capable of interacting with ordinary matter that's what really helps keep together!
Even with huge masses gravity is still the weakest force.
@@V0idFace yes maybe ,,the weakest ,but does not meen it is weak,moon and tides !
@@robertpotvin8872 No, it's still extremely weak.
@@Larry-ou8hq yes it is a possibility,but hard to mesure and detect,,presuming the way galaxies behave,there must be something filling the space!!
What if QFT layers of energy is not layers, but energy from adjacent space around it. Imagine a mesh and each point in the mesh represent a specific amount of energy. In order to create a sub particle, the energy for the different levels of energy is actually pulled from the space around it. Like pulling on the mesh into a single point in order to get enough energy to clear matter. The greater the mass the greater the pull.
Clear matter = create matter
in the first one, it shows that big spheres bend space, depending on its mass, but the space shown is a flat surface, so is space basically flat or 2d?
Quantum gravity is just that Quantum, the exertion of it's influence on the atomic compound world is impossible to measure with our current model of understanding due to the two different fundamentals of the law of physics governing the quantum versus and or the atomic compound world each of which being bridged essentially among two completely and very different laws of physics but related and connected and governed by the rules of particle engagements encompassing the two...
Wow 😊
so it will remain forever a challenge to study that we cant see but only experience
:-)
love it
I learned a long time ago that there has to be an explanation for everything...
The nose shot was strange and unexpected.
Hard to tell if you were serious at all during this video.
It’s not gravity but a distortion of space and time so that reason we only see large objects distorting space-time if the gravity is strong at the atomic level you could fold space onto itself and create a singularity
The mesh or veil between the in between in and out
This dog doesn’t hunt, it’s like a startup with 70 years of existence without delivering a single product.
Cool video
It seems like we only think gravity is a force because it appears so prevalent in our lives, but its an emergent phenomenon
Quantum mechanics is like texture in food you would think it makes no o little difference vut it makes all the difference specially in a entropy bubble
Things simply floats around in space. Nowhere else to go. Materias density range vs room. "Gravity".
If we are sure that Universe is multi dimwnsional, why we are considering Space time continuum on a same plane? It should actually be multi directional. Our thought process developed in such a way that space time fabric exist on same plane, it should not be the case
We really need to put more consideration into the fact that we, as humans, only see 4% of matter when tackling these problems.
Gravity can’t be the weakest force because it’s not a force. It’s the effect of space time bending to a mass.
Everything has a viscosity! Liquid, gas, water, space.... except the time.
We all know that the gravity equal 9.8m/s² , however there are many areas which have different percent . so what the realy seintific reason?
Vedic Cosmic physics has many hidden answer, decoding them is needed to get these answers. Except for a relativistic particle called om particle which originates due to 3rd dimension of velocity vector, rest all is comprehensible in Vedic Cosmic physics @scientifickrsna
Nature is so 😎 🆒️
No
Cool
Electromagnetic fields and pressure
Why is QG the hardest thing to solve? How is it harder than say dark matter, chaos complexity, or a bunch of other unsolved topics? What do you mean gravity doesn't affect small stuff? The atoms in the atmosphere stay around because of the effects of gravity. Everything big or small responds to gravity.
if we figure it out it can gateway ourselves with antigravity so we no longer need to use the great engine to get ourselves into space
It's been years trying to talk to physicists about quantum gravity. Each fobbed me off without even listening. I've decided to comment to tell you. So here goes.
The way I did it was quite simple. As a soldier, everything I learnt was broken down to characteristics. This is how I studied the universe. I noticed that gravity has a certain behaviour regarding mass. Increase mass and gravity gets stronger. Decrease mass and its weaker. I noticed that the same behaviour occurs regarding mass on the quantum scale. Only not with gravity. As I studied superposition and the debroglie wavelength, the EXACT same thing occurred. As mass increases, the wavelength shortens, and as mass decreases, the wavelength gets longer. So, I knew there had to be a connection. But how to show it when the two respective models (Quantum mechanics and Relativity) are non compatible.
To use an analogy. It's like one is written in ancient hebrew and the other in ancient Latin. There's no direct translation. So I did what the Vatican did when they sought to translate the Hebrew stories into Latin when writing out the bible. They used ancient Greek as an intermediate language. A bridge between the two languages as Greek is translatable into both.
So, I used classical physics. As quantum mechanics and relativity are both derived from it. It worked. I was able to determine the hypothetical gravity of an atom, or proton, electron, or even a quark. Here's how. I used earth (1G) as a benchmark.
I multiplied volume by density to get the mass.
I then determined the LOCALISED gravity of earth. g=GM÷r² gravity is mass multiplied by the gravitational constant divided by the radius squared. This goes into memory. (Again 1G)
I focused back on mass and multiplied by the velocity to determine momentum.
Finally, I divided plancks constant by the momentum to determine the earth's degroglie wavelength (it collapsed, but we are able to get a reading)
When I looked at my framework, I started looking at what would occur should mass change. And lo and behold the wavelength changes in proportion just as gravity does. You must account for velocity, though.
What I noticed is that volume, density, radius and velocity could be seen as variable attributes, yet Gravity, Mass, Momentum, and the Wavelength all act like states of the object and change in proportion to each other. Change gravity, and the other 3 states will change, too, accounting for velocity. They must remain balanced.
This means that the gravity of the earth is a direct measurement of its wavelength and vice versa, meaning the shorter the wave, the stronger the gravity. I then went quantum with this knowledge.
I realised that to determine the hypothetical gravity of an electron, all I needed was its wave length E.G. if the electron has a wavelength, that's a dodecadillion times longer. It has a hypothetical localised gravity of one dodecadillinth of a g.
Why hypothetical? Well, superposition, my dear Watson. You see, if your position isn't certain (if your debroglie wavelength isn't collasped), you do everything at once. So, the electron doesn't exist as a particle until it becomes observed. Under natural circumstances, the wavelength natually collapses at the weight of a tungsten atom, so gravity won't exist under the atomic mass of tungsten (approximately). Which means gravity doesn't exist in quantum. Unless we alter the experiment by collapsing the wave.
Another thing to say that I'm right, is gravity's characteristics. It moves as a wave and determines the probability of interactions between celestial bodies. Just as the debroglie wavelength does for particles.
Gravity is to a planet what the wavelength is to a particle. The difference is that certainty of position makes it manifest differently for the cosmological.
So yeah, I quantified gravity, and not one physicist would even entertain me a conversation on the matter.
That's nice and all.. but does it have the equations to prove it? Can it make predictions that can be tested? Can it mathematically produce results that don't end up being nonsensical and counter to observations?
The reason it's so difficult to quantify gravity is because the calculations that pop up tend to have discrepancies and incongruities that tell us that we might have missed something important, and nobody knows what those are yet nor put the 2 and 2 together.
The atom is got all kinds of protons electrons and neutrons swapping photons are like taking pictures like what is going on in there
What's the art particle? 😅
Can someone provide the first 5 seconds complete video
When stars dies it turn into black hole and black hole have the strong high gravtional force atleast light can't even escape there and quantum physics told every object had the strong gravtional pull when he still alive
What if time is just a part of every quantum particle in the universe. The gravity would be the direction of the time of the nearby particles to the center of mass, because the more particles, the more possibilities for outstanding particles to get into that direction.
I don’t know much about physics, just a thought I had 😂
Maybe physics change with every layer of size. Our size, micro size, macro size
Infinite invisible bungee cords?🙄
not quite,,a bungee cord as more pulling force at the maximum it as been stretched,,the opposite whit gravity,farther away from the mass the weaker it gets,there is a formula for both,,,,,but it is a nice try,,because both induces acceleration,,,,bungee more far away ,gravity more closer to the surface,,well it is more complex than that but it gives an idea of what is going on,,,
@@robertpotvin8872 Good to know. But actually, I was being facetious.
@@feral4813 there is a string theory ,so maybe there is something relevant ,about what you said lol
Nah they are playing spiderman theme slowed in the background